SI4703-B17-GM Silicon Laboratories Inc, SI4703-B17-GM Datasheet

SI4703-B17-GM

Manufacturer Part Number

SI4703-B17-GM

Description

IC TUNER FM RADIO RDS/RBDS 20QFN

Manufacturer

Silicon Laboratories Inc

Datasheet

1.SI4703-B17-GM.pdf (42 pages)

Specifications of SI4703-B17-GM

Frequency

76MHz ~ 108MHz

Sensitivity

Data Rate - Maximum

Modulation Or Protocol

Applications

Current - Receiving

Data Interface

PCB, Surface Mount

Antenna Connector

PCB, Surface Mount

Features

Voltage - Supply

2.7 V ~ 5.5 V

Operating Temperature

Package / Case

20-VQFN

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Memory Size

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Current page: 1 of 42
Download datasheet (399Kb)

Features



Applications



Description

The Si4703 integrates the complete tuner function from antenna input to

stereo audio output for FM broadcast radio reception.

Functional Block Diagram

Confidential Rev. 1.0 1/07

This data sheet applies to

Si4703 Firmware 17 and greater

Worldwide FM band support

(76–108 MHz)

Digital low-IF receiver

Frequency synthesizer with

integrated VCO

Seek tuning

Automatic frequency control (AFC)

Automatic gain control (AGC)

Excellent overload immunity

Signal strength measurement

Programmable de-emphasis

(50/75 µs)

Cellular handsets

MP3 players

Portable radios

R O A D C A S T

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

Headphone

32.768 kHz

2.7–5.5 V

Cable

Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA).

RFGND

RCLK

FMIP

LNA

TUNE

AGC

REG

F M R



USB FM radio

PDAs

Notebook PCs

XTAL

0 / 90

OSC

A D I O

PGA

AFC



ADC

Adaptive noise suppression

Volume control

Line-level analog output

32.768 kHz reference clock

2-wire and 3-wire control

interface

2.7 to 5.5 V supply voltage

Integrated LDO regulator

allows direct connection to

battery

3 x 3 mm 20-pin QFN package



RDS/RBDS Processor

Integrated crystal oscillator

Pb-free/RoHS compliant

U N E R FOR

DEMOD

LOW-IF

FILTER

AUDIO

MPX

RSSI

DSP

RDS



Si4703

Portable navigation

Automotive

Consumer electronics

GPIO

DAC

ROUT

LOUT

GPIO

SCLK

SDIO

SEN

RST

VIO

O R TA B L E

Si4703-B17

Patents pending

Notes:

1. To ensure proper operation and FM

2. Place Si4703 as close as possible to

RFGND

FMIP

GND

receiver performance, follow the

guidelines in “AN231: Si4700/01/02/03

Headphone and Antenna Interface.”

Silicon Laboratories will evaluate

schematics and layouts for qualified

customers.

antenna jack and keep the FMIP trace

as short as possible.

RST

Ordering Information:

Pin Assignments

P P L I C A T I O N S

See page 35.

Si4703-GM

(Top View)

GND

PAD

Si4703-B17

GND

LOUT

ROUT

GND

Related parts for SI4703-B17-GM

Related keywords

SI4703-B17-GM datasheet
SI4703-B17-GM data sheet
SI4703-B17-GM pdf datasheet
SI4703-B17-GM component
SI4703-B17-GM part
SI4703-B17-GM distributor
SI4703-B17-GM RoHS
SI4703-B17-GM datasheet download