SN761677

TV/VCR TUNER

Texas Instruments

SN761677 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

SN761677 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.

SN761677 Datasheet (272.70 KB)