Datasheet4U Logo Datasheet4U.com

SN761677 Datasheet Tv/vcr Tuner

Manufacturer: Texas Instruments

Overview: .ti. SN761677 SLES066A – DECEMBER 2002 TV/VCR TUNER IC WITH DC/DC.

General Description

The SN761677 is a single-chip synthesized tuner IC designed for TV/VCR tuning systems.

The circuit consists of a PLL synthesizer, 3-band local oscillators and mixer, 30-V dc/dc converter for tuning the amplifier, four NPN emitter follower band drivers, four NPN open collector ports, and is available in a small package outline.

The 15-bit programmable counter and reference divider are controlled by I2C bus control.

Key Features

  • D Single Chip Mixer/Oscillator, Synthesizer, and 30-V DC/DC Converter for Tuning Amplifier D VHF-L, VHF-H, UHF 3-Band Local Oscillator D I2C Bus Protocol D Four Data Bytes Transmission D Low Noise DC/DC Converter D 4ch NPN Emitter Follower Type Band Switch Drivers D 4ch NPN Open Collector Type Ports D Programmable Reference Divider Ratio (31.25 kHz, 50 kHz, or 62 kHz) D 5-V Power Supply D 38-Pin TSSOP Package.

SN761677 Distributor