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Si4702-C19 Datasheet Broadcast Fm Radio Tuner

Manufacturer: Silicon Laboratories

Overview: Si4702/03-C19 BROADCAST FM RADIO TUNER FOR PORTABLE APPLICATIONS.

General Description

 USB FM radio  PDAs  Notebook PCs  Portable navigation  Consumer electronics The Si4702/03 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception.

Functional Block Diagram Ordering Information: See page 38.

Pin Assignments (Top View) Si4702/03-GM NC GPIO1 GPIO2 GPIO3 VA NC 1 20 19 18 17 16 FMIP 2 15 GND RFGND 3 GND 4 GND PAD 14 LOUT 13 ROUT RST 5 12 GND 6 7 8 9 10 11 VD SEN SCLK SDIO RCLK VIO Headphone Cable FMIP RFGND LNA Si4702/03 I ADC DSP DAC LOUT PGA FILTER DEMOD Q MPX ADC AUDIO DAC ROUT 32.768 kHz RCLK 2.7–5.5 V VA VD AGC TUNE REG 0 / 90 XTAL OSC AFC LOW-IF GPIO RDS (Si4703) RSSI CONTROL INTERFACE GPIO VIO RST SDIO SCLK SEN CONTROLLER AMPLIFIER U.S.

Key Features

  • This data sheet applies to Si4702/03-C Firmware 19 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).
  • Adaptive noise suppression.
  • Volume control.
  • Line-level analog output.
  • 32.7.

Si4702-C19 Distributor

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