Analog-Devices-Inc–Maxim-Integrated-MAX2306EGI
| Part # | Analog-Devices-Inc–Maxim-Integrated-MAX2306EGI |
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19-2014; Rev 3; 8/04
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Ge n e ra l
De s c rip t io n
Fe a t u re s
T
h
e
M
AX
2
306/
M
AX
2
308/
M
AX
2
309 a
re
I
F re
c e ive rs
des
i
g
ned
f
o
r dua
l
–
b
and, dua
l
-mo
d
e, and s
i
n
g
l
e
–
mode
N-CDMA
a
nd
W
-CDMA
c
e
l
l
u
l
a
r phone systems.
T
h
e
s
i
g
nal pa
t
h
c
ons
i
s
t
s of a v
a
r
i
a
b
l
e
–
g
a
i
n
a
mp
l
ifi
e
r
(
V
G
A
)
and
I
/Q
d
emodu
l
a
t
or. The
d
e
v
i
c
es
f
e
a
t
ure
g
ua
r
a
nteed
+2.7V operat
i
o
n,
a ga
i
n
c
ontrol range of over 110dB,
and h
i
g
h
i
n
put
I
P
3 (-31dBm at 35dB ga
i
n
, 3.4dBm at
-35dB ga
i
n
).
♦
Complete IF Subsystem Includes VCO and
Synthesizer
♦
Supports Dual-Band, Triple-Mode Operation
♦
VGA with >110dB Gain Control
♦
Quadrature Demodulator
♦
High Output Level (2.7V)
Unlike
s
i
m
i
l
a
r de
v
i
c
es,
t
he MA
X
2
306
f
a
m
i
ly
o
f rece
i
v
e
r
s
i
n
c
l
u
des dual
osc
i
ll
a
t
ors
a
nd s
y
nthes
i
z
ers to
f
o
rm a
se
l
f-
c
onta
i
n
ed
I
F
s
ubs
y
s
t
e
m.
T
h
e synthes
i
z
er
’
s
r
e
f
e
r
–
ence and RF d
i
vi
d
e
r
s
a
r
e fully
p
r
ogrammab
l
e throu
g
h a
3-wire
s
e
r
i
a
l
bus, enab
l
i
n
g dua
l
–
b
and s
y
s
t
e
m a
r
c
h
i
t
e
c-
tur
e
s us
i
n
g any common re
f
e
r
e
nce and
I
F fr
e
quenc
y
.
T
h
e d
i
ff
e
r
e
nt
i
a
l
baseband ou
t
p
uts have enough band-
wi
d
t
h to
s
u
i
t
b
oth N-CDMA
a
nd
W
-CDMA
s
y
s
t
e
ms, and
o
f
f
e
r sa
t
ur
a
t
e
d output
l
e
v
e
l
s
o
f 2.7
V
p
–
p
a
t a
l
o
w +2.75V
supp
l
y volt
a
ge.
I
n
c
l
u
d
i
n
g the
l
o
w-noi
s
e
v
olt
a
ge
–
c
on-
troll
e
d osc
i
ll
a
t
or (
V
C
O) and synthes
i
z
er, the
M
AX
2
306
d
r
a
w
s on
l
y
2
6mA
f
rom a
+
2.75V
supp
l
y in
C
DMA (
d
i
f-
f
e
r
e
nt
i
a
l
I
F) mo
d
e.
♦
Programmable Charge-Pump Current
♦
Supports Any IF Frequency Between 40MHz and
300MHz
♦
3-Wire Programmable Interface
♦
Low Supply Voltage (+2.7V)
Ord e rin g
In fo rm a t io n
PART
TEMP RANGE
-40
°
C to
+
85
°
C
-40
°
C to
+
85
°
C
-40
°
C to
+
85
°
C
-40
°
C to
+
85
°
C
-40
°
C to
+
85
°
C
-40
°
C to
+
85
°
C
PIN-PACKAGE
28 QFN-EP*
28
T
Q
FN-EP*
28 QFN-EP*
28
T
Q
FN-EP*
28 QFN-EP*
28
T
Q
FN-EP*
MAX2306
EGI
MAX
2
306E
T
I
MAX2308
EGI
MAX
2
308E
T
I
MAX2309
EGI
MAX
2
309E
T
I
T
h
e
M
AX
2
306/
M
AX
2
308/
M
AX
2
309 are ava
i
l
a
b
l
e in
2
8-
p
i
n T
h
i
n
Q
FN and QFN packages.
Ap p lic a t io n s
S
i
n
g
l
e
/
Du
a
l
/Tri
p
l
e
–
Mo
d
e CD
M
A
H
a
ndse
t
s
G
l
o
ba
l
s
t
a
r
D
ua
l
-M
o
de Handsets
Wir
e
l
e
ss
D
a
t
a Li
n
ks
*
Ex
p
osed padd
l
e
W-CDMA H
a
ndse
t
s
Wir
e
l
e
ss
L
o
cal
L
o
op (
W
LL)
Pin Configurations appear at end of data sheet.
Block Diagram appears at end of data sheet.
S e le c t o r
Gu id e
PART
MODE
DESCRIPTION
INPUT RANGE
AM
P
S,
Ce
l
l
u
l
a
r CD
M
A,
PCS CD
M
A
Dual Band,
T
ri
p
l
e M
o
de w
i
th Two
IF V
C
Os
MAX
2
306
40
M
Hz to 300MHz
AM
P
S,
Ce
l
l
u
l
a
r CD
M
A,
PCS CD
M
A
Dual Band,
T
ri
p
l
e M
o
de w
i
th Common
IF V
C
O
MAX
2
308
MAX
2
309
70
M
Hz to 300MHz
70
M
Hz to 300MHz
Ext
e
r
nal
A
M
P
S,
Ce
l
l
u
l
a
r CD
M
A,
PCS CD
M
A
Dual Band,
T
ri
p
l
e M
o
de (Driv
e
s
E
xt
e
r
nal
AM
P
S Di
s
c
r
imin
a
t
or)
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
ABSOLUTE MAXIMUM RATINGS
V
to GN
D
…………………………………………………..-0.3V
to +6.0V
Di
g
i
t
a
l
I
n
put Current
SHDN
, M
O
DE, DI
V
S
EL,
BUFEN
, DATA,
C
L
K,
EN
,
STB
Y
……………………………….±10mA
CC
SHDN
to GND………………………………………-0.3V
to (V
+ 0.3
V
)
STBY
,
BUFEN
, M
O
DE,
EN
, DATA,
CC
Cont
i
n
uous Power D
i
s
s
i
p
a
t
ion (T
=
+
70°C)
A
C
L
K, DIV
S
EL …………………………………….-0.3V to (V
+ 0.3
V
)
28-P
i
n
Q
FN (
d
e
r
a
t
e 28.5m
W
/°C
a
bo
v
e T
=
+
70°C)………..2W
A
CC
V
G
C to GND……………-0.3
V
,
t
he l
e
sser of +4.2V or (V
+ 0.3
V
)
CC
AC
S
i
g
na
l
s TANKH
±
,
T
ANKL
±
,
REF, FM
±
, CD
M
A ± ………………………………………….1.0V peak
Ope
r
a
t
ing T
e
mpe
r
a
t
ure R
a
nge ………………………-40°C to +85°C
Junct
i
o
n
T
e
mpe
r
a
t
ure ………………………………………………+150°C
Storage
T
e
mpe
r
a
t
ure R
a
nge ………………………..-65°C to +160°C
L
e
ad
T
e
mpe
r
a
t
ure (
s
o
l
d
e
r
in
g
, 10s)
……………………………+300°C
Str
e
sses be
y
ond those
l
i
s
t
e
d under
“
A
b
so
l
u
te M
a
x
imum R
a
t
in
g
s” may cause pe
r
manent damage to the dev
i
c
e.
T
h
ese a
r
e
s
t
r
e
ss
r
a
t
in
g
s on
l
y,
a
nd
f
u
nct
i
o
nal
ope
r
a
t
ion of the
d
e
v
i
c
e at
t
hese or any other cond
i
ti
o
ns beyond those
i
n
d
i
c
a
t
e
d
i
n the o
p
e
r
a
t
ion
a
l sec
t
ions of the spec
i
fi
c
a
t
ions is not im
p
l
i
e
d.
E
x
p
osure to
abso
l
u
te max
i
m
um rat
i
n
g cond
i
ti
o
ns
f
o
r extended per
i
o
ds may a
f
f
e
ct de
v
i
c
e
r
e
l
i
a
b
i
lity.
DC ELECTRICAL CHARACTERISTICS
(V =
+
2.7V to
+3.6
V
, M
O
DE = DI
V
S
EL =
SHDN
=
STBY
=
BUFEN
= h
i
g
h, d
i
ff
e
r
e
nt
i
a
l output
l
o
ad = 10k
Ω
, T
= -40°C to +85°C,
CC
A
r
e
g
i
s
t
e
r
s
s
et
t
o
d
e
f
a
u
l
t
p
ower-up sett
i
n
gs.
T
y
p
i
c
al
v
a
l
u
es a
r
e
a
t V
= +2.75V
and T
= +25°C, un
l
e
ss o
t
herwi
s
e noted.)
CC
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
37.5
41.5
36.7
40.6
35.7
39.5
18.8
20.7
18.4
20.3
UNITS
T
A
=
+
25°C
25.9
CDMA mode
T
= -40°C to +85°C
=
+
25°C
A
T
A
25.4
24.7
12.3
11.4
FM_IQ mo
d
e
T
= -40°C to +85°C
=
+
25°C
A
T
A
FM_I mo
d
e
Supp
l
y
C
urrent
I
CC
T
= -40°C to +85°C
=
+
25°C
mA
A
(Note 1)
T
A
S
T
ANDBY (
V
C
O_H)
S
T
ANDBY (
V
C
O_
L
)
T
= -40°C to +85°C
=
+
25°C
A
T
A
T
A
= -40°C to +85°C
A
d
d
i
ti
o
n
f
o
r
L
O
o
ut (
BUFEN
= l
o
w)
SHDN
= l
o
w
3.5
1.5
4
Shutdown Current
I
10
µA
mA
V
CC
R
e
g
i
s
t
e
r Shutdown Current
L
o
g
i
c Hi
g
h
I
CC
5.8
2.0
2
L
o
g
i
c L
o
w
0.5
V
L
o
g
i
c Hi
g
h
I
n
put Current
L
o
g
i
c L
o
w
I
n
put Current
V
G
C Control
I
n
put Current
I
µA
µA
µA
IH
I
2
5
IL
0.5V <
V
< 2.3V
-5
V
G
C
V
G
C Control
I
n
put Current
During Shutdown
SHDN
= l
o
w
1
µA
L
o
ck
I
n
d
i
c
a
t
or Hi
g
h
(
lo
c
k
e
d)
L
o
ck
I
n
d
i
c
a
t
or Low (unlo
c
k
e
d)
DC Off
s
et
V
o
l
t
a
ge
47k
Ω
l
o
ad
47k
Ω
l
o
ad
2.0
-20
V
V
0.5
I+ to I-
a
nd Q+ to Q-, P
L
L l
o
cked
=
+
2.75V
1.5
+20
mV
V
Common-
M
o
de Output
V
o
l
t
a
ge
V
V
– 1.4
CC
CC
2
_______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
AC ELECTRICAL CHARACTERISTICS
(MAX
2
306/
M
AX
2
308/
M
AX
2
309 EV
kit, V
= +2.75
V
,
r
e
g
i
s
t
e
r
s
s
et
t
o
d
e
f
a
u
l
t
p
ower-up states except
M
1 = M2 =
3
06, R1 = R2 = 16,
CC
f
IN
= 183.7
M
Hz, f
= 19.2
M
Hz, 0.6
V
p
–
p
s
y
nthes
i
z
er
l
o
cked w
i
th
p
ass
i
ve 3r
d
–
or
d
er
l
e
ad
–
l
a
g
l
o
op
f
ilt
e
r
,
SHDN
= h
i
g
h,
V
G
C set
f
o
r
REF
+35dB vo
l
t
a
ge ga
i
n
, d
i
ff
e
r
e
nt
i
a
l output
l
o
ad = 10k
Ω
,
a
l
l
p
ower
l
e
v
e
l
s r
e
f
e
r
r
e
d
t
o 50
Ω
, T
=
+
25°C, un
l
e
ss o
t
herwi
s
e noted.)
A
PARAMETER
I
n
put Frequency
SYMBOL
CONDITIONS
MIN
TYP
MAX
300
39
UNITS
MHz
f
IN
(Note 2)
40
R
e
f
e
r
e
nce
F
r
e
quency
f
MHz
REF
Fr
e
quency
R
e
f
e
r
e
nce S
i
g
nal
L
e
v
e
l
V
0.2
V
p
–
p
REF
II
P
3
SIGNAL PATH, CDMA MODE
Ga
i
n = -35
d
B
, (Note 3)
3.4
I
n
put 3rd-Order
I
n
tercept
d
B
m
Ga
i
n =
+
35dB, T
= -40°C to +85°C
A
(Not
e
s 4, 5)
-38
-31.0
Ga
i
n = -35
d
B
Ga
i
n =
+
35dB
-9
I
n
put 1dB Compress
i
o
n
P
d
B
m
d
B
m
1dB
-44
Ga
i
n = -35
d
B
(Note 6)
-14.8
-49
I
n
put 0.25dB Desens
i
ti
z
at
i
o
n
Ga
i
n =
+
35dB
Mi
n
i
m
um
V
o
l
t
a
ge Ga
i
n
M
a
x
imum
V
o
l
t
a
ge Ga
i
n
A
V
= 0.5V
(Note 5)
= 2.3V
(Note 5)
V
G
C
-56
-51
dB
dB
V
V
G
C
A
V
V
57
61
Ga
i
n = -35
d
B
Ga
i
n =
+
35dB
62.9
6.36
DSB Noi
s
e
F
i
g
ure
NF
d
B
m
SIGNAL PATH, FM_IQ MODE
Ga
i
n = -35
d
B
, (Note 7)
-6.5
-32
I
n
put 3rd-Order
I
n
tercept
II
P
3
d
B
m
d
B
m
Ga
i
n =
+
35dB, T
= -40°C to +85°C
A
(Not
e
s 5, 8)
-40.2
Ga
i
n = -35
d
B
Ga
i
n =
+
35dB
-20
-44
I
n
put 1dB Compress
i
o
n
P
1dB
Mi
n
i
m
um
V
o
l
t
a
ge Ga
i
n
M
a
x
imum
V
o
l
t
a
ge Ga
i
n
A
V
= 0.5V
(Note 5)
= 2.3V
(Note 5)
V
G
C
-56.7
59.5
-52
dB
dB
V
V
G
C
A
V
V
56
SIGNAL PATH, CDMA AND FM_IQ MODE
Ga
i
n V
a
r
i
a
t
ion Ov
e
r
T
e
mpe
r
a
t
ure
B
a
seband 0.5dB Bandw
i
d
t
h
Quadrature Suppress
i
o
n
Norma
l
i
z
ed to +25°C
2.5
4.2
40
dB
MHz
dB
T
= -40°C to +85°C (Note 5)
28
A
LO to B
a
seband
L
e
a
k
a
ge
1
m
V
p
–
p
V
p
–
p
Saturated Output
L
e
v
e
l
V
S
A
T
Diff
e
r
e
nt
i
a
l
2.7
PHASE-LOCKED LOOP
F
_
(Note 2)
(Note 2)
80
300
600
V
C
O L
V
C
O
T
u
ne Range
MHz
d
B
m
F
_
135
V
C
O H
L
O
_OUT Output Power
P
R
L
= 50
Ω
,
BUFEN
= l
o
w
-13.7
LO
V
C
O
M
i
n
i
m
um D
i
vi
d
e
R
a
t
io
V
C
O
M
a
x
imum Divi
d
e
R
a
t
io
REF Minimum Divi
d
e
R
a
t
io
M
1
,
M
2
M
1
,
M
2
R1, R2
256
2
16383
_______________________________________________________________________________________
3
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX
2
306/
M
AX
2
308/
M
AX
2
309 EV
kit, V
= +2.75
V
,
r
e
g
i
s
t
e
r
s
s
et
t
o
d
e
f
a
u
l
t
p
ower-up states except
M
1 = M2 =
3
06, R1 = R2 = 16,
CC
f
IN
= 183.7
M
Hz, f
= 19.2
M
Hz, 0.6
V
p
–
p
s
y
nthes
i
z
er
l
o
cked w
i
th
p
ass
i
ve 3r
d
–
or
d
er
l
e
ad
–
l
a
g
l
o
op
f
ilt
e
r
,
SHDN
= h
i
g
h,
V
G
C set
f
o
r
REF
+35dB vo
l
t
a
ge ga
i
n
, d
i
ff
e
r
e
nt
i
a
l output
l
o
ad = 10k
Ω
,
a
l
l
p
ower
l
e
v
e
l
s r
e
f
e
r
r
e
d
t
o 50
Ω
, T
=
+
25°C, un
l
e
ss o
t
herwi
s
e noted.)
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REF M
a
x
imum Divi
d
e
R
a
t
io
R1, R2
2047
Mi
n
i
m
um Phase Detector
Compar
i
s
on Frequency
(Note 5)
(Note 5)
20
kHz
kHz
M
a
x
imum Phase Detector
Compar
i
s
on Frequency
1500
1kHz off
s
e
t
, T
= -40°C to +85°C
-79.6
-94.6
-105
A
12.5kHz o
f
f
s
e
t
, T
= -40°C to +85°C
A
Phase No
i
s
e
30kHz off
s
e
t
, T
= -40°C to +85°C
d
B
c
/
Hz
A
120kHz o
f
f
s
e
t
, T
= -40°C to +85°C
-115.3
-125
A
900kHz o
f
f
s
e
t
, T
= -40°C to +85°C
A
TURBO LOCK
A
c
qu
i
s
i
ti
o
n, CPX =
X
X, TC
=
1
L
o
cked, CPX = 00
1480
105
150
210
300
2100
150
210
300
425
2650
190
265
380
530
Charge-Pump Source/S
i
n
k
Current
L
o
cked, CPX = 01
µA
%
L
o
cked, CPX = 10
L
o
cked, CPX = 11
Charge-Pump Source/S
i
n
k
M
a
t
c
h
i
n
g
L
o
cked, a
l
l v
a
l
u
es of CP
X
,
0.2
10
0.5V <
V <
V –
0.5V
CP
CC
Note 1:
FM_IQ
a
nd F
M
_I mo
d
es a
r
e not ava
i
l
a
b
l
e
o
n
M
AX
2
309.
Note 2:
R
e
commended operat
i
n
g
f
r
e
quency
r
a
nge. Contact
f
a
c
t
ory for o
p
e
r
a
t
ing fr
e
quency outs
i
d
e
t
his r
a
nge.
Note 3:
f =
183.7
M
Hz, f
= 183.71MHz, P
= P
= -15dBm.
1
2
f1
f2
Note 4:
f =
183.7
M
Hz, f
= 183.71MHz, P
= P
= -50dBm.
1
2
f1
f2
Note 5:
Guaranteed by des
i
g
n.
Note 6:
Sma
l
l-
s
i
g
nal ga
i
n
a
t 200kHz be
l
o
w the
L
O fr
e
quency
w
ill
b
e
r
e
duced by
l
e
ss
t
han 0.25dB when an
i
n
ter
f
e
r
ing
s
i
g
nal at
1.25
M
Hz
b
e
l
o
w the
L
O fr
e
quency
i
s
a
pp
l
i
e
d at
t
he spec
i
fi
e
d
l
e
v
e
l
.
Note 7:
f =
183.7
M
Hz, f
= 183.71MHz, P
= P
= -23dBm.
1
2
f1
f2
Note 8:
f =
183.7
M
Hz, f
= 183.71MHz, P
= P
= -55dBm.
1
2
f1
f2
4
_______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
T
y
p ic a l
Op e ra t in g
Ch a ra c t e ris t ic s
(MAX
2
306/
M
AX
2
308/
M
AX
2
309 EV
kit
s
, V
=
+
2.75
V
,
r
e
g
i
s
t
e
r
s
s
et
t
o
d
e
f
a
u
l
t
p
ower-up states, f
= 183.7
M
Hz, f
= 19.2
M
Hz,
CC
IN
REF
s
y
nthes
i
z
er
l
o
cked w
i
th
p
ass
i
ve 3r
d
–
or
d
er
l
e
ad
–
l
a
g
l
o
op
f
ilt
e
r
,
SHDN
= h
i
g
h,
V
G
C set
f
o
r +35dB vo
l
t
a
ge ga
i
n
, d
i
ff
e
r
e
nt
i
a
l output
l
o
ad
= 10k
Ω
,
a
l
l
p
ower
l
e
v
e
l
s r
e
f
e
r
r
e
d
t
o 50
Ω
, T
=
+
25°C, un
l
e
ss o
t
herwi
s
e noted.)
A
RECEIVE SHUTDOWN CURRENT v
s
.
S
U
P
P
L
Y VOLTAGE
RECEIVE SU
P
P
L
Y CURRENT
v
s
.
S
U
P
P
L
Y
VOLTAGE
GA
I
N v
s
.
V
GC
0.014
0.012
0.010
0.008
0.006
0.004
0.002
0
80
60
35.00
32.50
30.00
27.50
25.00
22.50
20.00
T =
+
85
°
C
A
40
T =
+
85
°
C
A
20
T =
+
25
°
C
A
T =
+
25
°
C
A
T =
+
25
°
C
A
0
T =
-40
°
C
A
-20
-40
-60
-80
T =
-40
°
C
A
T =
+
85
°
C
A
T =
-40
°
C
A
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.5
1.0
1.5
2.0
(
V
)
2.5
3.0
S
U
P
P
L
Y VOLTAGE
(
V
)
S
U
P
P
L
Y VOLTAGE
(
V
)
V
GC
THIRD
–
O
RDER IN
P
U
T
I
N
TERCE
P
T vs.
G
A
I
N
GA
I
N v
s
.
I
N
P
U
T
F
REQUENCY
GA
I
N v
s
.
B
ASEBAND FREQUENCY
60
10
0
60.0
59.5
59.0
58.5
58.0
57.5
57.0
56.5
56.0
T =
-40
°
C
A
55
50
45
40
35
30
25
20
15
V
GC
= 2.5V
-10
-20
-30
-40
-50
-60
T =
+
85
°
C
A
T =
+
25
°
C
A
0
100
200
300
400
500
0
2
4
6
8
10 12 14 16 18 20
-60 -40 -20
0
20
40
60
80
FREQUENCY
(
M
Hz)
FREQUENCY
(
M
Hz)
GAIN
(
d
B
)
VCO VOLTAGE
v
s
.
T
IME
NO
I
SE FI
G
URE
v
s
.
G
A
I
N
NO
I
SE FI
G
URE
v
s
.
T
EM
P
E
RATURE
MAX
2
306/8/9 toc09
70
60
50
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
GAIN =
5
0dB
S
H
DN
V
C
O
VOLTAGE
40
30
1
V
/
div
LOCK
20
10
0
LOCK TIME
1.83ms
500
µ
s/div
-40 -30 -20 -10
0
10 20 30 40 50 60 70
GAIN
(
d
B
)
-40 -20
0
20
40
60
80 100
TEM
P
E
RATURE
(
°C)
_______________________________________________________________________________________
5
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Typ ic a l
Op e ra t in g
Ch a ra c t e ris t ic s
(c o n t in u e d )
(MAX
2
306/
M
AX
2
308/
M
AX
2
309 EV
kit
s
, V
=
+
2.75
V
,
r
e
g
i
s
t
e
r
s
s
et
t
o
d
e
f
a
u
l
t
p
ower-up states, f
= 183.7
M
Hz, f
= 19.2
M
Hz,
CC
IN
REF
s
y
nthes
i
z
er
l
o
cked w
i
th
p
ass
i
ve 3r
d
–
or
d
er
l
e
ad
–
l
a
g
l
o
op
f
ilt
e
r
,
SHDN
= h
i
g
h,
V
G
C set
f
o
r +35dB vo
l
t
a
ge ga
i
n
, d
i
ff
e
r
e
nt
i
a
l output
l
o
ad
= 10k
Ω
,
a
l
l
p
ower
l
e
v
e
l
s r
e
f
e
r
r
e
d
t
o 50
Ω
, T
=
+
25°C, un
l
e
ss o
t
herwi
s
e noted.)
A
IF P
O
RT
P
A
RALLEL RESISTANCE
v
s
.
F
REQUENCY
IF P
O
RT
P
A
RALLEL CA
P
A
CITANCE
v
s
.
F
REQUENCY
2500
2300
2100
1900
1700
1500
1300
1100
900
1.2
1.1
1.0
0.9
MEA
S
U
RED DIFFERENTIALLY
CDMA
P
O
RT
MEA
S
U
RED DIFFERENTIALLY
FM PORT
0.8
0.7
FM PORT
CDMA
P
O
RT
0.6
0.5
700
500
0
100
200
300
400
500
600
0
100
200
300
400
500
600
FREQUENCY
(
M
Hz)
FREQUENCY
(
M
Hz)
TANK
P
O
RT
P
A
RALLEL RESISTANCE
v
s
.
F
REQUENCY
TANK
P
O
RT
P
A
RALLEL CA
P
A
CITANCE
v
s
.
F
REQUENCY
-240
-260
-280
-300
-320
-340
-360
-380
-400
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
MEA
S
U
RED DIFFERENTIALLY
TANK
TANKH
TANKL
TANKL
MEA
S
U
RED DIFFERENTIALLY
80
160 240 320 400 480 560
FREQUENCY
(
M
Hz)
80
160 240 320 400 400
560
FREQUENCY
(
M
Hz)
LOOUT
P
O
RT
S11 v
s
.
F
REQUENCY
S
T
ART:
1
0
M
Hz
S
T
O
P
: 600
M
Hz
6
_______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
P in
De s c rip t io n
PIN
NAME
FUNCTION
MAX2306
MAX2308
MAX2309
TANKL
+
,
TANKL-
1, 28
—
—
Diff
e
r
e
nt
i
a
l
T
a
nk
I
n
put
f
o
r
L
o
w-Fr
e
quency Osc
i
ll
a
t
or
No Connect
i
o
n.
M
u
st be
l
e
f
t
o
pen-c
i
r
c
u
i
t.
—
1, 4
2, 3
—
N.C.
TANKH
+
,
TANKH-
2, 3
1, 2
Diff
e
r
e
nt
i
a
l
T
a
nk
I
n
put
f
o
r Hi
g
h-Frequency Osc
i
ll
a
t
or
—
4
—
—
3
BUFEN
LO Buff
e
r
A
m
p
l
ifi
e
r
—
a
c
t
ive low
—
M
O
DE
M
o
de Se
l
e
c
t
. Hi
g
h se
l
e
c
t
s CDMA mo
d
e;
l
o
w se
l
e
c
t
s FM mode.
I
n
ternal
V
C
O Output. Depend
i
n
g on sett
i
n
g of BD b
i
t, L
O
OUT
i
s
e
i
th
e
r
t
he
V
C
O
f
r
e
quency
(
twi
c
e
t
he IF fr
e
quenc
y
) or one-ha
l
f the
V
C
O
f
r
e
quency
(
e
qual
t
o the IF fr
e
quenc
y
).
—
—
4
L
O
OUT
5
6
7
5
6
7
5
6
7
V
+2.7V to
+5.5V Supp
l
y
Ground
CC
GND
REF
R
e
f
e
r
e
nce
F
r
e
quency
I
n
put
Shutdown
I
n
put—act
i
ve l
o
w. Low
p
owers down ent
i
re
d
e
v
i
c
e,
i
n
c
l
u
d
i
n
g reg
i
s
t
e
r
s
a
nd se
r
i
a
l
i
n
ter
f
a
ce.
8
8
8
SHDN
I
O
UT
+
,
I
O
UT-
Diff
e
r
e
nt
i
a
l
I
n
-Phase
Baseband Output, or FM s
i
g
nal output
i
f FM_I
mode
i
s
s
e
l
e
c
t
e
d.
9, 10
11
9, 10
11
9, 10
11
L
o
ck Output—open-co
l
l
e
c
t
or p
i
n
.
L
o
g
i
c
h
i
g
h
i
n
d
i
c
a
t
e
s phase
–
lo
c
k
e
d
cond
i
ti
o
n.
L
O
CK
QOU
T
-,
QOU
T
+
Diff
e
r
e
nt
i
a
l Quadrature-Phase
Baseband Output. D
i
s
ab
l
e
d
i
f FM_I
mode
i
s
s
e
l
e
c
t
e
d.
12, 13
12, 13
12, 13
14
15
16
17
18
14
15
16
17
18
14
15
16
17
18
C
L
K
EN
C
l
o
ck
i
n
put of the 3-w
i
re
s
e
r
i
a
l bus
Enab
l
e I
n
put.
W
h
en
l
o
w, in
p
ut sh
i
ft r
e
g
i
s
t
e
r
i
s
e
nab
l
e
d.
D
a
t
a in
p
ut of the 3-w
i
re
s
e
r
i
a
l bus.
DATA
V
CC
+2.7V to
+5.5V Supp
l
y
V
G
C
V
G
A Ga
i
n
C
ontrol
I
n
put. Control vo
l
t
a
ge
r
a
nge
i
s
0
.5V to 2.3
V
.
CDMA-,
CDMA+
19, 20
21
19, 20
21
19, 20
—
Diff
e
r
e
nt
i
a
l CD
M
A I
n
put.
A
c
t
ive in CDMA mo
d
e.
Diff
e
r
e
nt
i
a
l Pos
i
tive
In
p
ut.
A
c
t
ive in FM mo
d
e.
FM+
FM-
Diff
e
r
e
nt
i
a
l
N
e
ga
t
ive
In
p
ut
f
o
r FM s
i
g
na
l
. By
p
ass
t
o GND for
s
i
n
g
l
e
–
e
nded ope
r
a
t
ion.
22
22
—
Standby
I
n
put—act
i
ve l
o
w. Low
p
owers down
V
G
A and demodu
l
a
t
or
while k
e
ep
i
n
g
V
C
O, P
L
L,
a
nd se
r
i
a
l bus on.
—
—
22
STBY
23, 24
23, 24
23, 24
B
Y
P
By
p
ass
N
ode.
M
u
st be capac
i
tiv
e
l
y
d
ecoup
l
e
d
(
b
y
p
assed)
t
o
p
i
n
1
7.
_______________________________________________________________________________________
7
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
P in
De s c rip t io n
(c o n t in u e d )
PIN
NAME
FUNCTION
MAX2306
MAX2308
MAX2309
By
p
ass
N
ode.
M
u
st be capac
i
tiv
e
l
y
d
ecoup
l
e
d
(
b
y
p
assed)
to
g
r
ound.
25
25
26
25
B
Y
P
26
26
CP_OUT
Charge-Pump Output
27
—
—
27
28
—
27
21
28
GND
N.C.
Ground
No Connect
i
o
n
DIV
S
EL
Hi
g
h se
l
e
c
t
s M1/R1; low
s
e
l
e
c
t
s M2/R2.
Ex
p
osed Padd
l
e
EP
Ground
t
e
ms
i
m
p
l
e
ment
i
n
g tr
a
d
i
ti
o
nal
l
i
m
i
ti
n
g
I
F
s
t
a
ges
f
o
r FM
demodu
l
a
t
ion in
d
ua
l
-mo
d
e phones as we
l
l
a
s
f
o
r the
tr
a
nsm
i
t LO in TDD
s
y
s
t
e
ms.
T
h
i
s
b
u
f
f
e
r
e
d output can
be con
f
i
g
ured
f
o
r the
V
C
O
f
r
e
quency
(
twi
c
e
t
he IF fr
e
–
quency) or one-ha
l
f the
V
C
O
f
r
e
quency
(
IF fr
e
quenc
y
).
T
h
e
BUFEN
p
i
n
e
nab
l
e
s
t
his f
e
a
t
ur
e
. A s
t
a
ndby mode,
in whi
c
h on
l
y the
V
C
O and synthes
i
z
er a
r
e operat
i
o
na
l
,
can be se
l
e
c
t
e
d
t
hrough the ser
i
a
l
i
n
ter
f
a
ce or
t
he
STBY
p i
n
.
T
h
e
M
AX
2
309
’
s
o
p
e ra tiona l
mod e s
a re
desc
r
i
b
ed
i
n T
a
b
l
e
3
.
T
h
ese modes are set by pro-
g
r
a
mm
i
n
g the control
reg
i
s
t
e
r and
/
or sett
i
n
g
l
o
g
i
c l
e
v
e
l
s
on c
ontrol p
i
n
s .
I
f the
c ontrol
p ins
(
STBY
,
BUFEN
,
DIV
S
EL)
a
r
e l
e
f
t fl
o
at
i
n
g, the
i
n
ternal reg
i
s
t
e
r contro
l
s
the operat
i
o
nal
mode.
I
f
d
r
iv
e
n h
i
g
h or
l
o
w, the control
p
i
n
s will
ov
e
r
ri
d
e ce
r
t
a
i
n r
e
g
i
s
t
e
r b
i
t
s
, as shown
i
n
T
a
b
l
e
3
.
_______________De t a ile d
De s c
r
ip t io n
MAX2 3 0 6
T
h
e
M
AX
2
306
i
s i
n
tended
f
o
r dua
l
–
b
and
(
PCS and ce
l
–
l
u
l
a
r
)
a
nd dua
l
-mo
d
e code d
i
vi
s
i
o
n mu
l
ti
p
l
e
a
ccess
(CDMA)
a
nd FM app
l
i
c
a
t
ions (Fi
g
ure 1).
T
h
e de
v
i
c
e
i
n
c
l
u
d e s
a n
I
F va
ria b le -g a in
a mp lifie r,
q ua d ra ture
demodu
l
a
t
or,
d
ual
V
C
Os, and dua
l
-fr
e
quency s
y
nthe-
s
i
z
ers
(Funct
i
o
nal D
i
a
g
r
a
m
). Du
a
l
V
C
Os are prov
i
d
ed
f
o
r app
l
i
c
a
t
ions us
i
n
g d
i
ff
e
r
e
nt
I
F fr
e
quenc
i
e
s
f
o
r each
mode or band of operat
i
o
n.
T
h
e ana
l
o
g FM output s
i
g
–
nal can be con
f
i
g
ured
f
o
r convers
i
o
n to the I channe
l
,
or
i
t
m
ay be converted
i
n
q
uad
r
a
t
ure to
b
oth the I and
Q c
h
a nne
l
s .
T
h
e
M
AX
2
306
’
s
o
p
e ra tion
mod e s
a re
desc
r
i
b
ed
i
n T
a
b
l
e
1
.
T
h
ese modes are set by pro-
g
r
a
mm
i
n
g the control
reg
i
s
t
e
r and se
t
ting lo
g
i
c l
e
v
e
l
s
on control p
i
n
s.
I
f M
O
DE is l
e
f
t fl
o
at
i
n
g, the
i
n
ternal reg-
i
s
t
e
r contro
l
s the o
p
e
r
a
t
ion. If
d
r
iv
e
n h
i
g
h or
l
o
w, mode
will
o
verri
d
e
ce
r
t
a
i
n r
e
g
i
s
t
e
r b
i
t
s
, as shown
i
n T
a
b
l
e
1
.
Ap p lic a t io n s
In fo rm a t io n
Va ria b le -Ga in
Am p lifie r
a n d
De m o d u la t o r
T
h
e
M
AX
2
306
f
a
m
i
ly
p
r
ovi
d
es a
V
G
A with
e
x
c
ep
t
ion
a
l
ga
i
n r
a
nge.
T
h
e
M
AX
2
306/
M
AX
2
308 support mu
l
ti
m
ode
app
l
i
c
a
t
ions with
d
ual d
i
ff
e
r
e
nt
i
a
l
i
n
puts, se
l
e
c
t
a
b
l
e with
the IN_SEL
(IS)
c
ontrol b
i
t. On the MA
X
2
306, th
i
s f
u
nc-
tion
c
an be con
t
roll
e
d
w
ith the MODE
p
i
n
, wh
i
c
h over-
ri
d
es
t
he IS
c
ontrol b
i
t. T
h
e
V
G
A
’s
g
a
i
n is
c
ontro
l
l
e
d
over a 110dB range w
i
th the
V
G
C p
i
n
.
T
h
e output of the
V
G
A dr
i
v
e
s
t
he RF
p
orts of a quadrature demodu
l
a
t
or.
T
h
e
M
AX
2
306/
M
AX
2
308 p
rov
i
d e
two typ
e s
of FM
demodu
l
a
t
ion,
c
ontro
l
l
e
d by
t
he FM_T
Y
P
E (FT)
c
ontrol
b
i
t. W
h
en F
M
_TY
P
E
i
s “
1
,” the s
i
g
nal
i
s
p
assed
t
hrough
both the I and Q s
i
g
nal pa
t
hs for
s
ubsequent
l
o
wpass
filt
e
r
ing
a
nd
A
/D
c
onvers
i
o
n at baseband.
I
f FM_TY
P
E
is “
0
,”
the FM
s
i
g
nal
i
s
p
assed
t
hrough the I m
i
x
e
r on
l
y.
MAX2 3 0 8
T
h
e
M
AX
2
308 supports dua
l
–
b
and,
t
ri
p
l
e
m
ode w
i
th
common
I
F V
C
O.
A
s with the MAX2306, the FM mo
d
e
can be con
f
i
g
ured
f
o
r convers
i
o
n to the I port or quad-
r
a
t
ure
c
onvers
i
o
n to both the I and Q ports (F
i
g
ure 2).
T
h
e
M
AX
2
308
’
s
o
pe
r
a
t
ion
a
l
modes a
r
e
d
esc
r
i
b
ed
i
n
T
a
b
l
e
2
.
T
h
ese modes are set by programm
i
n
g the con-
trol r
e
g
i
s
t
e
r
.
MAX2 3 0 9
T
h
e
M
AX
2
309 quadrature demodu
l
a
t
ors
a
r
e
s
i
m
p
l
ifi
e
d
v
e
r
s
i
o
ns of
the
M
AX
2
306 that can be used
i
n
s
i
n
g
l
e
–
mode CD
M
A
o
r tri
p
l
e
m
ode us
i
n
g an e
x
t
e
r
nal FM d
i
s
–
c
r
imin
a
t
or (Fi
g
ure 3).
T
h
e
M
AX
2
309
V
C
O
i
s
o
pt
i
m
i
z
ed
f
o
r the 67
M
Hz to 300MHz IF fr
e
quency
r
a
nge.
T
h
e
M
AX
2
309
i
n
c
l
u
des a bu
f
f
e
r
e
d output
f
o
r the
V
C
O.
T
h
e bu
f
f
e
r
e
d
V
C
O output can be used to support sys-
8
_______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
47pF
0.01
µ
F
V
CC
2.4k
Ω
0.01
µ
F
0.1
µ
F
BYP
BYP
BYP
FM-
0.068
µ
F
0.01
µ
F
0.01
µ
F
CP_
O
UT
GND
33pF
10k
Ω
FM
FM+
TANKL+
CDMA+
2pF
33nH
33nH
33pF
CDMA
MAX
2
306
680
Ω
10k
Ω
10k
Ω
TANKL-
CDMA-
VGC
33pF
TANKH+
DAC
47pF
2pF
V
CC
33pF
10k
Ω
TANKH-
MODE
V
CC
DATA
EN
V
CC
V
CC
47pF
3-
W
I
RE
GND
REF
CLK
S
H
DN
IOUT+
QOUT+
10k
Ω
I
10k
Ω
47k
Ω
Q
IOUT-
QOUT-
LOCK
V
CC
Fi
g
ure 1.
M
AX
2
306
T
y
p
i
c
al Ope
r
a
t
ing Cir
c
u
i
t
T
h
e
M
AX
2
309 bu
f
f
e
r
s the output of the
V
C
O and pro-
vid e s
this s
ig na l
a t
the LOOUT
p in.
This s
ig na l
is
e
n
a b
l
e d
b y
the
BUFEN
(BE) c
ontrol b
it or b
y the
BUFEN
c
o
ntrol
p in.
The fre
q ue nc y
of this
s ig na l
is
se
l
e
c
t
e
d by
t
he BUF_DIV
(BD)
c
ontrol b
i
t,
a
nd can be
e
i
th
e
r
t
he
V
C
O
f
r
e
quency or ha
l
f the
V
C
O
f
r
e
quenc
y
.
Vo lt a g e -Co n t ro lle d
Os c illa t o r,
Bu ffe rs ,
a n d
Qu a d ra t u re
Ge n e ra t io n
T
h
e
L
O
s
i
g
nal
f
o
r downconvers
i
o
n
i
s
p
r
ovi
d
ed by a
volt
a
ge
–
c
ontro
l
l
e
d osc
i
ll
a
t
or (
V
C
O) cons
i
s
t
ing of
a
n on-
ch
i
p
d
i
ff
e
r
e
nt
i
a
l
osc
i
ll
a
t
or,
a
nd an o
f
f-
c
h
i
p
h
i
g
h-Q reso-
nant network. F
i
g
ure 4 shows a s
i
m
p
l
ifi
e
d schema
t
ic of
the
V
C
O osc
i
ll
a
t
or. Multi
b
and ope
r
a
t
ion is
s
upported by
the MA
X
2
306 w
i
th
d
ual
V
C
Os.
V
C
O_H and
V
C
O_L are
se
l
e
c
t
a
b
l
e with the MODE
p
i
n
o
r the
V
C
O_SEL (
V
S
)
control b
i
t. T
h
ey osc
i
ll
a
t
e
a
t
t
wi
c
e
t
he des
i
r
e
d
L
O fr
e
–
quency. For app
l
i
c
a
t
ions r
e
qu
i
ri
n
g an e
x
t
e
r
nal
L
O
, the
V
C
Os can be b
y
p
assed
w
ith the
V
C
O_B
Y
P
(
V
B
)
c
ontrol
b
i
t.
Quadrature downconvers
i
o
n
i
s r
e
a
l
i
z
ed by p
r
ovi
d
i
n
g
i
n
–
phase
(
I)
a
nd quad
r
a
t
ur
e
–
p
hase
(
Q) components of the
LO
s
i
g
nal
t
o the LO
p
orts of the demodu
l
a
t
or descr
i
b
ed
abo
v
e
.
T
h
e quadrature
L
O
s
i
g
na
l
s
a
r
e
g
ene
r
a
t
e
d by
d
i
vi
d
i
n
g the
V
C
O output
f
r
e
quency us
i
n
g two l
a
t
c
hes.
_______________________________________________________________________________________
9
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Table 1. MAX2306 Control Register States
M
S
B
L
S
B
PINS
CONTRO
L
REGISTER
OPERATIONAL
MODE
ACTION
RESULT
Shutdown p
i
n
c
omp
l
e
t
e
l
y
powers down the ch
i
p
SHUTDOWN
SHUTDOWN
S
T
ANDBY
CDMA
L
X
X
X
H
F
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
1
1
1
1
X
0 in
s
hutdown reg
i
s
t
e
r b
i
t l
e
a
v
e
s
se
r
i
a
l po
r
t
a
c
t
ive
H
H
H
H
H
H
H
0
1
1
1
1
1
1
1
0 in
s
t
a
ndby
r
e
g
i
s
t
e
r b
i
t turns off
V
G
A and
modu
l
a
t
or on
l
y
M
o
de p
i
n
o
verri
d
es
V
C
O_SEL,
DIV
S
EL,
a
nd
I
N_SEL to hi
g
h
X
1
X
1
X
X
0
X
1
Flo
a
t
ing mode p
i
n r
e
t
urns control
to r
e
g
i
s
t
e
r
CDMA
M
o
de p
i
n
o
verri
d
es
V
C
O_SEL,
DIV
S
EL,
a
nd
I
N_SEL to low
FM_IQ
L
F
X
X
X
0
Flo
a
t
ing mode p
i
n r
e
t
urns control
to r
e
g
i
s
t
e
r
FM_IQ
0
M
o
de p
i
n
o
verri
d
es
V
C
O_SEL,
DIV
S
EL,
a
nd
I
N_SEL to low
FM_I
L
F
X
X
1
X
0
Flo
a
t
ing
p
i
n
s return control to
r
e
g
i
s
t
e
r
H
L
FM_I
1
Note:
H = h
i
g
h, L =
l
o
w, F = flo
a
t
ing
p
i
n
, X
= don
’
t
c
a
r
e
,
B
l
a
nk =
i
n
dependent pa
r
a
me
t
e
r
, 1 = lo
g
i
c
h
i
g
h, 0 =
l
o
g
i
c l
o
w.
T
h
e app
r
opr
i
a
t
e l
a
t
c
h outputs prov
i
d
e I
and Q s
i
g
na
l
s
at
t
he des
i
r
e
d
L
O fr
e
quenc
y
.
c y
d e te c tor.
The p
ha s e -d e te c tor
outp ut
d rive s
a
c
h
a rg e -p ump
a s
we ll
a s
loc k-d e te c t
log ic
a nd
tur-
b
o
c ha rg e
c ontrol
log ic .
The c
ha rg e -p ump
outp ut
(CP_OUT)
p
i
n is
p
r
ocessed by the
l
o
op
f
ilt
e
r and d
r
iv
e
s
the tunab
l
e r
e
sonant network, a
l
t
e
r
ing the
V
C
O
f
r
e
quen-
cy and c
l
o
s
i
n
g the
l
o
op.
S
y
n t h e s ize r
T
h
e
V
C
O
’
s
o
utput
f
r
e
quency
i
s
c
ontro
l
l
e
d by an
i
n
ternal
phase
–
lo
c
k
e
d
–
loop (PLL)
d
ua
l
-mo
d
u
l
u
s synthes
i
z
er.
T
h
e
l
o
op
f
ilt
e
r
i
s
o
f
f-
c
h
i
p to
s
i
m
p
l
ify l
o
op des
i
g
n
f
o
r emerg-
i
n
g app
l
i
c
a
t
ion
s
.
T
h
e tunab
l
e r
e
sonant network
i
s
a
l
s
o
o
f
f-
c
h
i
p f
o
r max
i
m
um Q and
f
o
r system des
i
g
n
f
l
e
x
i
b
i
li-
ty. The
V
C
O output
f
r
e
quency
i
s
d
i
vi
d
ed do
w
n to the
des
i
r
e
d compa
r
i
s
on
f
r
e
quency
w
ith the M
c
ounter.
T
h
e
M
c
ounter cons
i
s
t
s of a 4-b
i
t A
s
w
a
l
l
o
w counter and a
10-b
i
t P
c
ounter. A re
f
e
r
e
nce s
i
g
nal
i
s
p
r
ovi
d
ed
f
rom
a
n
e
x
t
e
r
nal source
and
i
s
d
i
vi
d
ed do
w
n to the
c
ompar
i
s
on
fr
e
quency
w
ith the R
c
ounter.
T
h
e two
d
i
vi
d
ed s
i
g
na
l
s
a
r
e
c
ompared w
i
th a thr
e
e
–
s
t
a
t
e
d
i
g
i
t
a
l
phase
–
fr
e
quen-
M
u
l
ti
m
ode app
l
i
c
a
t
ions
a
r
e
s
upported by two
i
n
depen-
dent p
r
ogrammab
l
e r
e
g
i
s
t
e
r
s
e
ach
f
o
r the M counter
(M1, M2), the R
c
ounter (R1, R2), and the charge-pump
output current magn
i
tu
d
e
(
CP1, CP2).
T
h
e DI
V
S
EL (DS)
b
i
t
s
e
l
e
c
t
s whi
c
h set of
r
e
g
i
s
t
e
r
s is u
s
ed.
I
t
c
an be o
v
e
r
–
ri
d
den by
t
he MA
X
2
306
’
s M
O
DE p
i
n
o
r the
M
AX
2
309
’
s
DIV
S
EL p
i
n
. Programm
i
n
g these reg
i
s
t
e
r
s is
d
i
s
cussed
in the
3-Wire Int
e
r
f
a
ce and
R
e
g
i
s
t
e
r
s
s
ec
t
ion.
10 ______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Table 2. MAX2308 Control Register States
P
I
N
M
S
B
L
S
B
CONTROL REGISTER
OPERATIONAL
MODE
ACTION
RESULT
Shutdown p
i
n
c
omp
l
e
t
e
l
y
s
huts down
ch
i
p
SHUTDOWN
SHUTDOWN
S
T
ANDBY
L
H
H
X
X
X
X
X
X
0
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
0
X
0 in
s
hutdown reg
i
s
t
e
r b
i
t l
e
a
v
e
s se
r
i-
al po
r
t
a
c
t
ive
L
1
0 in
s
t
a
ndby p
i
n turns off
V
G
A and
modu
l
a
t
or on
l
y
CDMA
FM_IQ
FM_I
CDMA o
p
e
r
a
t
ion
H
H
H
0
0
0
0
0
0
X
X
X
X
X
X
X
0
1
0
0
1
1
1
1
1
1
FM IQ
q
uad
r
a
t
ure operat
i
o
n
FM I operat
i
o
n
1
Note:
H = h
i
g
h, L =
l
o
w, 1 = lo
g
i
c
h
i
g
h, 0 =
l
o
g
i
c l
o
w, X
= don
’
t
c
a
r
e
, b
l
a
nk =
i
n
dependent pa
r
a
me
t
e
r
W
h
en the part
i
n
i
ti
a
l
ly
p
owers up or changes state, the
s
y
nthes
i
z
er acqu
i
s
i
ti
o
n time
c
an be
r
e
duced by us
i
n
g
the Tur
b
o
f
e
a
t
ur
e
, enab
l
e
d by
t
he TURBOCHARGE
(TC)
c
ontrol b
i
t. T
u
rbo
f
u
nct
i
o
na
l
ity
p
r
ovi
d
es a
l
a
r
g
er
cha
r
g
e
–
p
ump current dur
i
n
g acqu
i
s
i
ti
o
n mode. Once
the
V
C
O
f
r
e
quency
i
s
a
cqu
i
r
e
d,
t
he charge-pump out-
put current magn
i
tu
d
e au
t
omat
i
c
a
l
ly r
e
t
urns to the pre-
p rog ra mme d
s ta te
to ma
inta in
loop s
ta b ility
a nd
m
i
n
i
m
i
z
e spurs
i
n the
V
C
O output s
i
g
na
l
.
W
h
e ne ve r
the M
or R d
i
vid e
re g is te r
va lue
is p
ro-
g
r
a
mmed and down
l
o
aded,
t
he control reg
i
s
t
e
r must
a
l
s
o be subsequen
t
ly u
p
da
t
e
d.
T
h
i
s
p
r
e
v
e
nts turbo
l
o
ck
from
g
o
i
n
g ac
t
ive wh
e
n not des
i
r
e
d.
T
h
e
SHDN
c
ontrol b
i
t is
n
otab
l
e
b
ecause
i
t
d
i
ff
e
r
s from
the
SHDN
p
i
n
.
W
h
en the
SHDN
c
ontrol b
i
t is l
o
w, the
r
e
g
i
s
t
e
r
s
a
nd se
r
i
a
l
i
n
ter
f
a
ce a
r
e l
e
f
t
a
c
t
iv
e
,
r
e
t
a
i
n
i
n
g
the v
a
l
u
es s
t
or
e
d
i
n the l
a
t
c
hes,
w
hile the r
e
st of
t
he
de
v
i
c
e
i
s
s
hut o
f
f. In
c
ontrast, the
SHDN
p
i
n
, when
l
o
w,
shuts down everyth
i
n
g,
i
n
c
l
u
d
i
n
g the reg
i
s
t
e
r
s
a
nd se
r
i-
al
i
n
ter
f
a
ce. See
Funct
i
o
nal D
i
a
g
r
a
m
.
T
h
e
l
o
c
k d
e te c t
outp ut
i
n
d
i
c a te s
whe n
the PLL
is
l
o
cked w
i
th a l
o
g
i
c
h
i
g
h.
3 -Wire
In t e rfa c e
a n d
Re g is t e rs
T
h
e
M
AX
2
306
f
a
m
i
ly i
n
corporates a 3-w
i
re i
n
ter
f
a
ce
f
o
r
s
y
nthes
i
z
er p
r
ogramm
i
n
g and dev
i
c
e con
f
i
g
urat
i
o
n
(Fi
g
ure 5).
T
h
e 3-wire int
e
r
f
a
ce cons
i
s
t
s of
c
l
o
ck, data,
and enab
l
e
s
i
g
na
l
s
.
I
t
c
ontro
l
s the
V
C
O d
i
vi
d
e
r
s (M1
and
M
2
), r
e
f
e
r
e
nce
f
r
e
quency d
i
vi
d
e
r
s (R1
a
nd R2),
and a 13-b
i
t
c
ontrol reg
i
s
t
e
r
. The
c
ontrol reg
i
s
t
e
r
i
s
used
t
o
s
et up
t
he operat
i
o
nal modes (
T
a
b
l
e
4
). The
i
n
put sh
i
ft is
1
7 da
t
a
b
i
ts l
o
ng and requ
i
r
e
s a
t
ot
a
l of 18
c
l
o
ck b
i
ts (Fi
g
ure 6). A s
i
n
g
l
e
c
l
o
ck pu
l
s
e
i
s r
e
qu
i
r
e
d
be
f
o
re enab
l
e
d
r
ops
l
o
w to initi
a
l
i
z
e the data bus.
Re g is t e rs
Fi
g
ure 7 shows the programm
i
n
g
l
o
g
i
c
.
T
h
e 17-b
i
t
s
h
i
ft
r
e
g
i
s
t
e
r
i
s
p
r
ogrammed by c
l
o
ck
i
n
g
i
n
d
a
t
a
a
t
t
he ri
s
i
n
g
edge of
C
L
K. B
e
f
o
re the sh
i
ft r
e
g
i
s
t
e
r
i
s
a
b
l
e to
a
ccept
da
t
a
,
i
t
m
ust be
i
n
i
ti
a
l
i
z
ed by d
r
iving it with
a
t
l
e
ast one
f
u
l
l
c
l
o
ck c
y
c
l
e
a
t
t
he C
L
K i
n
put w
i
th
EN
h
i
g
h
(
s
ee
Fig ure
6). Pulling e
na b le
low will a
llow d
a ta
to b
e
c
l
o
cked
i
n
to the sh
i
ft r
e
g
i
s
t
e
r
;
p
u
l
li
n
g enab
l
e
h
i
g
h
l
o
ads
the r
e
g
i
s
t
e
r add
r
e
ssed by
A
0
,
A
1
, and
A
2
, respect
i
v
e
l
y
(Fi
g
ure 7).
T
a
b
l
e 5 li
s
t
s the
p
ower-on de
f
a
u
l
t v
a
l
u
es of
a
l
l r
e
g
i
s
t
e
r
s
.
T
a
b
l
e 6 li
s
t
s the
c
ha
r
g
e
–
p
ump current,
depend
i
n
g on CP0 and CP1.
______________________________________________________________________________________ 11
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
47pF
2.4k
Ω
0.01
µ
F
0.01
µ
F
BYP
BYP
BYP
V
CC
0.068
µ
F
0.01
µ
F
0.01
µ
F
0.01
µ
F
MAX
2
308
V
CC
CP_
O
UT
GND
33pF
10k
Ω
10k
Ω
FM-
FM+
TANKH+
TANKH-
FM
2pF
33pF
33nH
CDMA+
CDMA
680
Ω
CDMA-
VGC
DAC
47pF
V
CC
V
CC
V
CC
47pF
GND
DATA
EN
V
CC
REF
3-
W
I
RE
CLK
S
H
DN
I
_
O
UT+
Q
_
O
UT+
10k
Ω
10k
Ω
47k
Ω
Q
I
_
O
UT-
Q
_
O
UT-
LOCK
V
CC
Fi
g
ure 2.
M
AX
2
308
T
y
p
i
c
al Ope
r
a
t
ing Cir
c
u
i
t
12 ______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Table 3. MAX2309 Control Register States
M
S
B
L
S
B
PINS
CONTROL REGISTER
OPERATIONAL
MODE
ACTION
RESULT
Shutdown p
i
n
c
om-
p
l
e
t
e
l
y
p
owers down
the ch
i
p
SHUTDOWN
SHUTDOWN
S
T
ANDBY
L
H
H
X
X
X
X
X
X
L
X
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
X
0 in
s
hutdown reg
i
s
t
e
r
b
i
t l
e
a
v
e
s se
r
i
a
l bus
ac
t
ive
0
1
0 in
s
t
a
ndby p
i
n turns
o
f
f V
G
A and
modu
l
a
t
or
on
l
y
0 in
s
t
a
ndby
r
e
g
i
s
t
e
r b
i
t
turns off
V
G
A and
mod-
u
l
a
t
or on
l
y
H/
L
S
T
ANDBY
H
H
H
H
0
0
0
X
X
X
1
1
1
DIVIDER
SELECT
DIV
S
EL p
i
n
o
verri
d
es
DIV
S
EL r
e
g
i
s
t
e
r b
i
t
H/
L
H
H
X
If DIV
S
EL p
i
n is fl
o
ated,
then reg
i
s
t
e
r b
i
t
s
e
l
e
c
t
s
d
i
vi
d
er
DIVIDER
SELECT
1/
0
F
BUFEN
p
i
n
c
ontro
l
s the
LO
b
u
f
f
e
r and overr
i
d
es
the b
i
t
LO BUFFER
ENABLE
H/
L
H
F
0
0
X
X
X
1
1
If
p
i
n is fl
o
ated, then
BUFEN
r
e
g
i
s
t
e
r b
i
t
contro
l
s
b
u
f
f
e
r
LO BUFFER
ENABLE
1/
0
H
Note:
H = h
i
g
h, L =
l
o
w, 1 = lo
g
i
c
h
i
g
h, 0 =
l
o
g
i
c l
o
w, X
= don
’
t
c
a
r
e
, b
l
a
nk =
i
n
dependent pa
r
a
me
t
e
r
.
______________________________________________________________________________________ 13
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
47pF
0.068
µ
F
0.01
µ
F
0.01
µ
F
0.01
µ
F
2.4k
Ω
BYP
V
CC
BYP
0.01
µ
F
V
CC
CP_
O
UT
GND
BYP
S
T
BY
DIV
S
E
L
TANKH+
33pF
10k
Ω
10k
Ω
CDMA+
2pF
33pF
33nH
CDMA
680
Ω
MAX
2
309
TANKH-
BUFEN
LOOUT
CDMA-
VGC
DAC
DISCRIMIN
A
TOR
47pF
V
CC
455k
H
z
V
CC
V
CC
47pF
V
CC
DATA
EN
GND
REF
3-
W
I
RE
CLK
S
H
DN
IOUT+
QOUT+
LIMITER
FM
10k
Ω
10k
Ω
47k
Ω
I
Q
IOUT-
QOUT-
LOCK
V
CC
Fi
g
ure 3.
M
AX
2
309
T
y
p
i
c
al Ope
r
a
t
ing Cir
c
u
i
t
14 ______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
V
CC
800
µ
A
D1
R1
TANK
_
–
TANK
_
+
R
L
R
L
R
B
R
B
C
F
C
F
R
E
R
E
Fi
g
ure 4.
V
o
l
t
a
ge
–
Controll
e
d Osc
i
ll
a
t
ors
V
C
O
_
H
14-
B
IT M1
COUNTER
(00)
DATA
CLK
EN
CPI
S
T
ART BIT
2-
B
IT
CP1
11-
B
IT R1
COUNTER
(010)
(011)
M
U
X
16-
B
IT
DATA
/
A
DDRE
S
S
REGI
S
T
ER
CPOUT
F
REF
2-
B
IT
CP2
11-
B
IT R2
COUNTER
(11
X
)
13-
B
IT CONTROL
REGI
S
T
ER
CP2
(01)
V
C
O
_
L
14-
B
IT M2
COUNTER
Fi
g
ure 5. 3-
W
ire
C
ontrol Block Diagram
______________________________________________________________________________________ 15
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
M
S
B
*SB
L
S
B
DATA
*ST
A
RT BIT MU
S
T
B
E LOGIC HIGH.
CLK
EN
RISE
A
ND FALL REQUIRED
P
R
IOR TO EN GOING LOW.
Fi
g
ure 6. 3-
W
ire I
n
ter
f
a
ce
T
i
m
i
n
g Di
a
g
r
a
m
Table 4. Control Register, Default State: 0B57
Address: 110
h,
b
POWER-
UP
STATE
BIT
LOCATION
0 = LSB
BIT ID
BIT NAME
FUNCTION
TM
TEST_MODE
0
12
11
M
u
st be 0
f
o
r normal operat
i
o
n.
L
o
g
i
c “
1
”
causes
t
he charge-pump output CP_OUT to source cur-
r
e
nt when f
/R > f
/
M
. T
h
i
s
s
t
a
t
e is u
s
ed
w
hen the
V
C
O tune
REF
V
C
O
po
l
a
r
ity is
s
uch
t
hat
i
n
creas
i
n
g vo
l
t
a
ge p
r
oduces
i
n
creas
i
n
g
f
r
e
–
quency.
L
o
g
i
c “
0
” causes CP_OUT to source current when f
POL
CP_POL
1
/M
V
C
O
> f
/R. This
s
t
a
t
e is u
s
ed
w
hen
i
n
creas
i
n
g tune vo
l
t
a
ge causes
REF
the
V
C
O
f
r
e
quency
t
o
d
ec
r
e
ase.
TE
TC
TEST_ENABLE
0
1
10
9
M
u
st be 0
f
o
r normal operat
i
o
n.
L
o
g
i
c “
1
”
ac
t
iv
a
t
e
s
t
ur
b
ocharge mode, wh
i
c
h p
r
ovi
d
es
r
a
p
i
d fr
e
–
quency acqu
i
s
i
ti
o
n
i
n the PLL.
TURBO_CHARGE
DS
VB
VS
DIV_
S
EL
V
C
O_B
Y
P
V
C
O_SEL
1
0
1
8
7
6
L
o
g
i
c “
1
”
se
l
e
c
t
s M1/R1
d
i
vi
d
e
r
a
t
io
s
.
L
o
g
i
c “
0
” se
l
e
c
t
s M2/R2.
L
o
g
i
c “
1
”
bypasses the
V
C
O
i
n
puts
f
o
r external
V
C
O operat
i
o
n.
L
o
g
i
c “
1
”
se
l
e
c
t
s
V
C
O_H. Lo
g
i
c “
0
” se
l
e
c
t
s
V
C
O_
L
.
L
o
g
i
c “
1
”
se
l
e
c
t
s
d
i
vi
d
e
–
b
y
-2 on LOOUT
p
ort.
L
o
g
i
c “
0
” bypasses
d
i
vi
d
e
r
.
BD
BE
FT
IS
BUF_DIV
BUFEN
0
1
0
1
5
4
3
2
L
o
g
i
c “
1
”
d
i
s
ab
l
e
s
L
O
OU
T
. L
o
g
i
c “
0
” enab
l
e
s
L
O
OU
T
.
A
c
t
ive in FM mo
d
e.
L
o
g
i
c “
0
” se
l
e
c
t
s
q
uad
r
a
t
ure
d
emodu
l
a
t
or for
FM mode.
L
o
g
i
c “
1
” se
l
e
c
t
s
d
ownconvers
i
o
n to I port.
FM_TY
P
E
IN_SEL
L
o
g
i
c “
0
”
se
l
e
c
t
s FM
in
p
ut port.
L
o
g
i
c “
1
” se
l
e
c
t
s CDMA in
p
ut.
L
o
g
i
c “
0
”
enab
l
e
s s
t
a
ndby mode, wh
i
c
h shuts down the
V
G
A and
demodu
l
a
t
or stages,
l
e
a
v
ing the
V
C
O
l
o
cked and the reg
i
s
t
e
r
s
ac
t
iv
e
.
SB
SD
1
1
1
0
STBY
L
o
g
i
c “
0
”
enab
l
e
s
r
e
g
i
s
t
e
r
–
b
ased shu
t
d
own.
T
h
i
s
m
ode shuts down
e
v
e
r
ything
e
x
c
ept
t
he M and R
l
a
t
c
hes and the ser
i
a
l bus.
SHDN
16 ______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
ADDRE
S
S
DECODED
S
T
ART BIT
1
A /M
A
A
0
2
0
1
DATA
S
H
IFT REGISTER
A /M
A
1
A
0
2
0
M1 REGI
S
T
ER
M2 REGI
S
T
ER
M 13
M
0
0
1
1
1
0
1
0
1
0
1
1/0
M
2/0
M 13
2
CP1
A
ND R1 REGI
S
T
ERS
CP
1/1
CP
R
R
0
0
1
1/0 1/10
1/0
R
2/0
CP
2/0
CP
/1
R
2/10
CP2
A
ND R2 REGI
S
T
ERS
2/1
TM
P
O
L TE
TC
DS
VB VS
BD
BE
FT
IS
SB SD
CTRL REGI
S
T
ER
Fi
g
ure 7. Programm
i
n
g
L
o
g
i
c
Table 6. Charge-Pump Control Bits
Table 5. Register Defaults
CHARGE-PUMP CURRENT
AFTER ACQUISITION
REGISTER
DEFAULT
CP1
CP0
M1
M2
10519
DEC
DEC
DEC
DEC
(µA)
150
210
300
425
4269
0
0
1
1
0
1
0
1
R1
492
492
R2
C
T
RL
CP0
CP1
0B57
HEX
11
11
BIN
BIN
Ch ip
In fo rm a t io n
TRANSISTOR COUNT: 6422
______________________________________________________________________________________ 17
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Fu n c t io n a l
Dia g ra m
MAX
2
306
MAX
2
308
MAX
2
309
CDMA+
CDMA-
VGC
IOUT+
IOUT-
MAX
2
306
MAX
2
308
EN
CLK
LOGIC
SB
÷
2
DATA
1
S
H
IFT REGISTER
FM+
FM-
QOUT+
QOUT-
14
14
00
01
M1 REGI
S
T
ER
M2 REGI
S
T
ER
R1 REGI
S
T
ER
R2 REGI
S
T
ER
FT
2
010
011
11
CP1
MAX
2
306
2
MODE
11
IS
CP2
VS
DS
TM
P
O
L
TE TC
VB
BD
FT IS
11
110
VS
BE
SB
SD
DS
V
C
O
_
L
CONTROL
14
14
2
11
2
TANKL+
TANKL-
2
14
11
R
C
OUNTER
VB
M
C
OUNTER
LOCK DET
REF
Ø
DET
P
O
L
TANKH+
TANKH-
V
C
O
_
H
TURBO
CONTROL
TC
CHARGE
P
U
MP
2
LOCK
LO
_
O
UT
BUFEN
÷
2
BIAS
S
H
DN
S
T
BY
CP_
O
UT
BD
BE
MAX
2
309
MAX
2
309
SB
SD
18 ______________________________________________________________________________________
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
Blo c k
Dia g ra m
DAC
V
CC
LOCK
QOUT+ QOUT-
AV
C
C
V
CC
FM- FM+
CDMA+
CDMA-
DATA
EN
BYP
BYP
VGA
CLK
0
/2
90
MAX
2
306
/M
CHARGE
P
U
MP
P
H
A
S
E
DETECTOR
/R
TANKL+
TANKL-
TANKH+
BYP
AGND
REF
TANKH-
S
H
DN IOUT+
IOUT-
MODE DV
CC
______________________________________________________________________________________ 19
CDMA IF VGAs a
n d
I/Q De
m o d u la t o rs
w it h
VCO a
n d
S yn t h e s ize r
P in
Co n fig u ra t io n s
TOP VIEW
TANKL+
TANKH+
TANKH-
MODE
1
2
3
4
5
6
7
21
F
M+
N
.
C.
TANKH+
TANKH-
N
.
C.
1
2
3
4
5
6
7
21
F
M+
20
C
DMA+
19
C
DMA-
18
V
GC
20
C
DMA+
19
C
DMA-
18
V
GC
MAX
2
306
MAX
2
308
V
CC
17
V
CC
V
CC
17
V
CC
GND
REF
16
D
ATA
15
E
N
GND
REF
16
D
ATA
15
E
N
(T) QFN-EP
(T) QFN-EP
TANKH+
1
2
3
4
5
6
7
21
N
.
C.
TANKH-
BUFEN
LOOUT
20
C
DMA+
19
C
DMA-
18
V
GC
MAX
2
309
V
CC
17
V
CC
GND
REF
16
D
ATA
15
E
N
(T) QFN-EP
P a c k a g e
In fo rm a t io n
For the l
a
t
e
st pac
k
a
ge out
l
i
n
e
i
n
f
o
rmat
i
o
n, go to
M
a
x
im
c
annot assume respons
i
b
i
lity f
o
r use of any c
i
r
c
u
i
try oth
e
r
t
han c
i
r
c
u
i
try
e
nt
i
r
e
l
y
e
mbod
i
e
d
i
n a M
a
x
im
p
r
oduct. No c
i
r
c
u
i
t
p
a
t
e
nt
l
i
c
enses a
r
e
i
m
p
l
i
e
d.
M
a
x
im r
e
se
r
v
e
s
t
he ri
g
ht to change the c
i
r
c
u
i
try
a
nd spec
i
fi
c
a
t
ions without noti
c
e at any
t
im
e
.
20
____________________Ma x im
In t e g
r
a t e d
P ro d u c t s ,
1 2 0
S a n
Ga b rie l
Drive ,
S u n n yva le ,
CA 9
4 0 8 6
4 0 8
–
7 3 7 -7 6 0 0
© 2004
M
a
x
im I
n
tegrated Products
Print
e
d
U
SA
is a r
e
g
i
s
t
e
r
e
d
t
r
a
dema
r
k of M
a
x
im I
n
tegrated Products.
EN GL ISH
•
? ? ? ?
•
? ? ?
•
? ? ?
BU Y C
OM PA N Y M
EM B ER S
W HA T ‘ S N
EW PR ODUCT SS OLU TI ONS D
E SI G N AP
P NOT ES SUPP
ORT
MA X2 306
Pa r t Nu
mb e r T
ab l e
N
o
t
e
s
:
1 . S
ee t
he
M A X 2 3 0 6 Q
u ic k V ie w D
a ta Sh
e e t
fo r fu
r t h er i
nf o rm a t i on on th
i s p
ro duc t f
a mil y o
r do
wn lo a d t
he
MAX23 06 f
ull d
at a s
he et
(P DF , 2
08 k B) .
2. O
th er o
p ti on s a
n d l
inks f
or p
urch asi ng p
arts a
re l
is te d at
:
h t tp : / /w w w. m a xi m – ic. com /s al es
.
3 .
Did n’ t F
ind W
ha t Y
ou N
e ed ?
A sk our
ap pli cat ion s e
ng ine ers . Exp
ert a
ssi stance i
n findi
ng part
s, us
uall y wi
thi n one
b us i ne ss d
a y.
4 . Pa
r t n
u mb e r suf
f ix e s: T
o r T
&R =
ta p e a
n d r
e e l; +
= Ro
HS/le ad – fr e e ; #
= RoH
S/ lea d – e xe m p t. Mo
r e : S
e e
f ul l da
ta
s h ee t
o r
P a rt N
a mi n g C
o n v en t i o n s
.
5 .
*
S om e p
ac ka g es h
ave v
ariat io ns , li
st ed o
n t
h e d
ra w ing . “P
kg Co de /V ar ia ti on ” t e l ls w
h i ch va
ri a t io n th
e p
ro du c t
use s.
P
a
r
t
N
u
m
b
e
r
F ree
Sa mp le
B uy
D i re c t
T
e
m
p
R oHS/L ead- Fr ee?
Ma t e ri a l s A n a ly s is
P
a
c
k
a
g
e
:
T
Y
P
E
P
I
N
S
S
I
Z
E
D
R
A
W
I
N
G
C
O
D
E
/
V
A
R
*
M
A
X
2
3
0
6
E
G
I
QF N ;2 8 pi
n; 5x 5x 0. 9m m
Dwg :
2 1 –
0 0 9 1
I
(P D F )
– 4
0 C
t o
+ 8
5 C
Ro H S / Le a d -F re e:
N o
Ma t e ri a l s A n a ly s is
U
s
e
p
k
g
c
o
d
e
/
v
a
r
i
a
t
i
o
n
:
G
2
8
5
5
–
2
*
MA X 2306EG I – T
M AX2 30 6E TI+ T
QF N ;2 8 pi
n; 5x 5x 0. 9m m
Dwg :
2 1 –
0 0 9 1
I
(P D F )
U se pk
g c od e /v a ri a ti o n : G 2 85 5 – 2
*
– 4
0 C
t o
+ 8
5 C
Ro H S / Le a d -F re e:
N o
Ma t e ri a l s A n a ly s is
TH IN QF
N;28 pi
n;5×5 x0. 8mm
Dwg :
2 1
– 0
1 4
0 K
(P D F )
– 4
0 C
t o
+ 8
5 C
Ro H S / Le a d -F re e:
Yes
Ma t e ri a l s A n a ly s is
U
s
e
p
k
g
c
o
d
e
/
v
a
r
i
a
t
i
o
n
:
T
2
8
5
5
+
6
*
M A X2 3 0 6 ET I +
TH IN QF
N;28 pi
n;5×5 x0. 8mm
Dwg :
2 1
– 0
1 4
0 K
(P D F )
– 4
0 C
t o
+ 8
5 C
Ro H S / Le a d -F re e:
Yes
Ma t e ri a l s A n a ly s is
U se p
kg c o de / va r i at i o n : T2 8 5 5 +6
*
Did n’ t F
ind W
ha t You
Ne ed ?
CO NT ACT U
S: SE
ND US
AN EMAI
L
Co p y rig h t 2
00 7 b
y M
a x im I
n te g r a te d Pr
o d u c ts , D
a lla s S
em i co n d u c to r
•
Le ga l N
ot i ce s
•
P ri va c y P
o l ic y
