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SI4704-C40 Datasheet (si4704 / Si4705) Broadcast Fm Radio Receiver

Manufacturer: Silicon Laboratories

Overview: Si4704/05-C40 B ROADCAST F M R ADIO R ECEIVER FOR C ON SUMER E.

General Description

The Si4704/05 integrates all functions required for an advanced broadcast FM radio receiver, from antenna input to stereo audio output.

m en GND PAD 7 SCLK 8 SDIO 9 RCLK Functional Block Diagram FM Antenna FMI 10 11 VDD om Si4704/05 ADC PGA ADC DSP DAC DAC RFGND LNA ot 0/90 RSSI AFC RDS (Si4705) N 32.768 kHz RCLK VDD 2.7–5.5 V REG XTAL OSC SEN CONTROL INTERFACE SDIO Rev.

1.0 12/09 Copyright © 2009 by Silicon Laboratories VIO 1.85-3.6 V SCLK RST DIGITAL INTERFACE (Si4705) LPI AGC This product, its

Key Features

  • (64.
  • 108 MHz) Integrated antenna support EN55020 compliant Excellent real-world performance Freq synthesizer with integrated VCO Advanced FM seek tuning Automatic frequency control (AFC) Automatic gain control (AGC) Digital FM stereo decoder Minimal BOM Programmable de-emphasis.
  • Adjustable soft mute control.
  • RDS/RBDS processor (Si4705).
  • Optional digital audio out (Si4705).
  • 2-wire and 3-wire control interface.

SI4704-C40 Distributor

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