Datasheet4U Logo Datasheet4U.com

SN761681 Datasheet Tv Tuner

Manufacturer: Texas Instruments

Overview: .ti.

General Description

The SN761681 is a synthesized tuner IC designed for TV tuning systems.

The circuit consists of a PLL synthesizer, three-band local oscillator and mixer, 30-V output tuning amplifier, four NPN band-switch drivers, and is available in a small-outline package.

A 15-bit programmable counter and reference divider are controlled by I2C bus protocol.

Key Features

  • Single-Chip Mixer/Oscillator and PLL Synthesizer.
  • Three-Band Local Oscillator.
  • I2C Bus Protocol (Bidirectional Data Transmission).
  • 30-V Tuning Voltage Output.
  • Four NPN-Type Band-Switch Drivers.
  • Programmable Reference Divider Ratio (512, 640, or 1024 ).
  • 5-V Power Supply.
  • 30-Pin TSSOP Package.

SN761681 Distributor