SKYWORKS-SILICON-LABS-SI4682-A10-GM

Si4682-A10  

Single-Chip, FM/HD Radio Receiver  

Description  

Features  

The Si4682 single-chip digital receiver is one member of a  

family of 100% CMOS digital radio broadcast receiver ICs  

from Silicon Labs. The Si468x family offers a complete and  

cost-effective digital radio solution integrating the RF tuner,  

baseband and audio processing on a single die. The high  

level of integration provides significant customer benefits  

compared to traditional digital radio solutions including a  

reduction in system implementation complexity, validation  

and testing, and improved reliability and manufacturability.  

–

Worldwide FM band support (76–108 MHz)  

–

Advanced RDS/RBDS decoder  

–

FM HD Radio™ support  

–

Integrated IBOC blend  

–

Advanced seek functionality  

–

Advanced audio DSP processing  

–

I

2

S digital audio out with ASRC  

–

Integrated 97 dB stereo audio DAC  

–

Concurrent I

2

S/L-R stereo audio out  

–

Full range of signal quality metrics  

–

Fully-integrated VCO / PLL / synthesizer  

The Si4682 is compatible with the iBiquity Digital and  

NRSC-5 standards for FM In-Band-On-Channel (IBOC)  

digital radio broadcasting, integrating digital channel  

demodulation and decoding functions, along with audio  

decoding and IBOC analog-digital blend. The Si4682 is  

capable of tuning HD Radio™ reception to cover additional  

FM frequencies for future IBOC adoption outside of North  

America. The Si4682 additionally supports IBOC  

multicasting, as well as the full-range of HD Radio data  

services, such as PSD (Program Service Data), Artist  

Experience, iTunes®

T

a

gging, Bookmark and real-time  

traffic, with the appropriate external decoders.  

–

SPI and I

2

C host control interfaces  

–

WLCSP 62-ball, 3.2×3.77×0.59 mm  

–

QFN 48-pin, 7x7x0.85 mm  

Applications  

–

Mobile phones and tablets  

–

Clock and tabletop radios  

–

Stereo boomboxes  

–

Mini/micro systems  

–

Docking stations  

–

Personal navigation devices  

The Si4682 additionally supports worldwide FM radio  

reception and incorporates a fully integrated decoder for  

the European Radio Data System (RDS) and the North  

American Radio Broadcast Data System (RDBS) including  

all required symbol decoding, block synchronization, error  

detection, and error correction functions.  

.  

Si4682-A10  

ADC  

DAC  

LOUT  

ROUT  

RFREF  

LNA  

DSP  

RDS  

VHFI  

ADC  

DAC  

AGC  

DCLK  

DFS  

DOUT  

I2S  

VHFSW  

VHF SW  

SCLK  

SSB  

MISO  

MOSI  

CLK  

Gen  

FLASH  

Interface  

LDOs  

Control  

Digital Radio Receiver  

Copyright © 2013 by Silicon Laboratories  

05.07.2013  

Si4682-A10  

Single-Chip, FM/HD Radio Receiver  

Selected Electrical Specifications  

Parameter  

Ambient

T

e

mperature  

Analog Supply Voltage  

Interface Supply Voltage  

Core Digital Supply Voltage  

Memory Supply Voltage  

Analog FM  

Symbol  

T

A  

Test Condition  

Min  

–40  

Typ  

25  

Max  

85  

Unit  

°C  

V

V

A  

1.71  

1.62  

1.62  

1.62  

1.8  

1.8  

1.8  

1.8  

2.0  

3.6  

2.0  

2.0  

V

IO  

V

V

CORE  

V

MEM  

V

V

Input Frequency  

Seek Time  

F

rf  

F

rf  

76  

—

—

—

108  

60  

MHz  

ms/ch  

FM HD  

Input Frequency  

Seek Time  

87.5  

—

—

—

108  

120  

MHz  

ms/ch  

Si4682-A10-GM (QFN)  

Si4682-A10-GD (WLCSP)  

Dimension  

Min  

0.55  

0.18  

0.22  

Nom  

0.59  

0.20  

Max  

0.63  

0.22  

0.32  

Dimension  

Min  

0.80  

0.00  

0.18  

Nom  

0.85  

Max  

0.90  

0.05  

0.30  

A

A1  

b

D

E

A

A1  

b

0.02  

0.27  

0.25  

3.20 BSC.  

3.77 BSC.  

0.40 BSC.  

0.40 BSC.  

2.40 BSC.  

3.20 BSC.  

0.10  

0.10  

0.03  

0.15  

0.05  

D

7.00 BSC  

5.30  

d

e

D2  

e

5.20  

5.40  

0.50 BSC  

7.00 BSC  

5.30  

D1  

E1  

aaa  

bbb  

ccc  

ddd  

eee  

E

E2  

L

5.20  

0.30  

5.40  

0.50  

0.40  

aaa  

bbb  

ddd  

eee  

0.15  

0.10  

0.05  

Notes:  

0.08  

1.

All dimensions shown are in millimeters (mm) unless otherwise  

noted.  

2.

Dimensioning and

T

o

lerancing per ANSI Y14.5M-1994.  

3.

Primary datum “C” and seating plane are defined by the spherical  

crowns of the solder balls.  

4.

Dimension “b” is measured at the maximum solder bump diameter,  

parallel to primary datum “C”.  

5.

Recommended card reflow profile is per the JEDEC/IPC J-STD-020  

specification for Small Body Components.  

Notes:  

1.

All dimensions are shown in millimeters (mm) unless otherwise  

noted.  

2.

Dimensioning and tolerancing per ASME Y14.5M-1994.  

3.

This drawing conforms to JEDEC Outline MO-220, Variation  

VKKD-4.  

4.

Recommended card reflow profile is per the JEDEC/IPC J-  

STD-020 specification for Small Body Components.  

Digital Radio Receiver  

Copyright © 2013 by Silicon Laboratories  

05.07.2013  

Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.  

Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders  

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using or intending to use the Silicon Laboratories products. Characterization data, available modules and peripherals, memory sizes and memory addresses refer to each specific  

device, and “Typical” parameters provided can and do vary in different applications. Application examples described herein are for illustrative purposes only. Silicon Laboratories  

reserves the right to make changes without further notice and limitation to product information, specifications, and descriptions herein, and does not give warranties as to the accuracy  

or completeness of the included information. Silicon Laboratories shall have no liability for the consequences of use of the information supplied herein. This document does not imply  

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