SI4735-D60-GU

Si4730/31/34/35-D60

Features

• Worldwide FM band support (64–108 MHz)           

• Worldwide AM band support (520–1710 kHz) 

• SW band support (Si4734/35) (2.3–26.1 MHz) 

• LW band support (Si4734/35) (153–279 kHz) 

• Excellent real-world performance 

• Integrated VCO 

• Advanced AM/FM seek tuning 

• Automatic frequency control (AFC) 

• Automatic gain control (AGC) 

• Digital FM stereo decoder 

• Programmable de-emphasis 

• Advanced Audio Processing

• Seven selectable AM channel filters 

• AM/FM/SW/LW digital tuning 

• EN55020 compliant 

• No manual alignment necessary 

• Programmable reference clock 

• Adjustable soft mute control 

• RDS/RBDS processor (Si4731/35) 

• Digital audio out 

• 2-wire and 3-wire control interface 

• Integrated LDO regulator 

• Wide range of ferrite loop sticks and air loop antennas supported 

• QFN and SSOP packages

  RoHS compliant

Applications

• Table and portable radios 

• Mini/micro systems 

• CD/DVD and Blu-ray players 

• Stereo boom boxes 

• Modules for consumer electronics 

• Clock radios 

• Mini HiFi and docking stations 

• Entertainment systems

Description

The Si473x-D60 digital CMOS AM/FM radio receiver IC integrates the complete broadcast tuner and receiver function from antenna input to digital audio output. 

The device leverages the Silicon Labs broadcast proven digital low-IF architecture, 

enabling a cost-effective, digital audio platform for consumer electronic applications with high TDMA noise immunity, 

superior radio performance, and high fidelity audio power amplification.

Functional Block Diagram

Pin Assignments

This product, its features, and/or its architecture is covered by one or more of the following patents, 

as well as other patents, pending and issued, both foreign and domestic: 7,127,217; 7,272,373; 7,272,375;

 7,321,324; 7,355,476; 7,426,376; 7,471,940; 7,339,503; 7,339,504.

Ordering Guide

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Direction：

BROADCAST AM/FM/SW/LW RADIO RECEIVER