Zarlink-SP8804-A-DG

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SP8804  

3.3GHZ

÷

4 Fixed Modulus Divider  

Advance Information  

DS2112  

ISSUE 7.3  

June 1999  

Features  

Ordering Information  

SP8804/A/DG Military

 

temperature range  

DES9056701/AC/DGAZ (SMD)  

G

G

Very High Speed Operation 3.3GHz  

Silicon Technology for low Phase Noise  

(Typically better than -140dBc/Hz at 10kHz)  

G

Specified Over the Full Military Temperature  

Range  

G

G

G

G

G

Low Power Dissipation 370mW (typ)  

5V Single Supply Operation  

High Input Sensitivity  

Very Wide Operating Frequency Range  

Available as DESC SMD 5962-9056701MPA  

Thermal Characteristics  

θ

ja = 150

°

C/W  

θ

jc = 50

°

C/W  

Description  

Absolute Maximum Ratings  

The SP8804 is one of a range of very high speed low  

power prescalers for professional and military  

applications. The

 

device features a complementary  

output stage with on chip current source for the emitter  

follower outputs.  

Supply voltage V

CC  

Clock Input voltage  

Storage temperature range  

Junction temperature  

6.5V  

2.5V p-p  

-65

°

C to +150

°

C  

+175

°

C  

SUPPLY  

1

VCC  

V

REF

(2V)  

500  

500  

400  

400  

7

OUTPUT  

÷

4  

6

OUTPUT  

2

3

INPUT  

INPUT  

5mA  

2mA  

6.75mA  

5

GND  

Figure 1

 

SP8804 Block diagram  

SP8804

Advance Information  

V

1

2

3

4

8

7

6

5

NC  

CC  

INPUT  

INPUT  

NC  

OUTPUT  

OUTPUT  

GND  

DG8  

Figure 2

 

Pin connections  

Electrical Characteristics  

Guaranteed over the temperature range T  

-55

°

C to +125

°

C (see note) and supply voltage range 4.75V  

amb  

to 5.25V. Tested at T  

= -55

°

C and +105

°

C, V

 

= 4.75V and 5.25V.  

amb  

CC  

Value  

Typ  

Conditions  

Characteristic  

Supply current  

Pin  

Units  

Min  

Max  

V

CC

= 5V  

1

74  

90  

mA  

RMS sinewave  

Input sensitivity  

2, 3  

measured in 50 ohm system.  

See Figs. 3 & 4  

0.65GHz to 2.8GHz  

3.3GHz  

Input impedance  

(series equivalent)  

Output Voltage with f

in

=1000MHz  

Output Voltage with f

in

= 3GHz  

175  

400  

mV  

mV  

Ω

2, 3  

50  

2

1

pF  

0.8  

V

CC

= 5V  

V

CC

= 5V load as Fig. 4  

6, 7  

6, 7  

Vp-p  

Vp-p  

0.25  

NOTE: Devices

 

must be used with a suitable heatsink to maintain chip temperature below 175

°

C when  

operating at T

 

>105

°

C

.  

amb  

500  

400  

300  

200  

100  

Tested as  

specified in Table  

of electrical  

*

GUARANTEED*  

OPERATING  

WINDOW  

VIN (mV RMS  

INTO 50 OHMS)  

characteristics  

1

2

3

4

FREQUENCY (GHz)  

Figure 3

 

Typical input sensitivity  

2

Advance Information

 

SP8804  

POWER  

METER  

SIGNAL  

GENERATOR  

50

Ω

 

0.1

µ  

FROM  

COAXIAL  

SWITCH  

OUTPUT  

50

Ω  

470  

3p  

+5V  

1

2

8

7

1n  

OUTPUT LOAD FOR  

AMPLITUDE MEASUREMENTS  

RATIO  

COUNTER  

SP8804  

3

4

6

5

1n  

0.1

µ  

Figure 4

 

Test circuit  

Figure 5

 

Typical input impedance  

3

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