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SN761633 - FM STEREO RADIO

General Description

The SN761633 is an FM radio receiver and transmitter IC for portable audio players.

The circuit consists of a stereo FM radio receiver and FM transmitter, and is available in a small-outline package.

Key Features

  • 1.
  • Single-Chip FM Stereo Radio and Transmitter.
  • FM Stereo MPX [Receive (Rx), Transmit (Tx)].
  • Frequency Range 76 MHz to 108 MHz (Rx, Tx).
  • Low Supply Current.
  • Rx: 11.5 mA (VCC = 3 V, No RF Input).
  • Tx: 13 mA (VCC = 3 V, No Audio Input, RTX = Open).
  • 32.768-kHz Crystal.
  • I2C Interface.
  • MPX Output for RDS (Rx).
  • Seek Tuning (Rx).
  • RFAGC (Rx).
  • RF Auto-Power Control (Tx).
  • Pilot Cancel (Rx).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.ti.com SN761633 FM STEREO RADIO WITH TRANSMITTER SLES210 – OCTOBER 2007 FEATURES 1 • Single-Chip FM Stereo Radio and Transmitter • FM Stereo MPX [Receive (Rx), Transmit (Tx)] • Frequency Range 76 MHz to 108 MHz (Rx, Tx) • Low Supply Current – Rx: 11.5 mA (VCC = 3 V, No RF Input) – Tx: 13 mA (VCC = 3 V, No Audio Input, RTX = Open) • 32.768-kHz Crystal • I2C Interface • MPX Output for RDS (Rx) • Seek Tuning (Rx) • RFAGC (Rx) • RF Auto-Power Control (Tx) • Pilot Cancel (Rx) • Sixth-Order 15-kHz LPF (Tx) • Programmable De/Pre-Emphasis (50/75 μs) • Pilot Out (Tx) • General-Purpose External Input (Tx) • High Power Selectable RF Output (Tx) –7/–3/1/4 dBm • High Cut Control (HCC), Stereo Noise Control (SNC) (Rx) • Soft Mute (Rx) • VCC = 2.