Click to expand full text
www.ti.com
SN761677
SLES066A – DECEMBER 2002
TV/VCR TUNER IC WITH DC/DC CONVERTER
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
DESCRIPTION
The SN761677 is a single-chip synthesized tuner IC designed for TV/VCR tuning systems.