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SN761672A TV/VCR TUNER IC
SLLS437 – JANUARY 2001
D Single Chip Mixer/Oscillator and
Synthesizer
DA PACKAGE (TOP VIEW)
D VHF-L, VHF-H, UHF 3-Band Local Oscillator D I2C Bus Protocol
VOL OSC B VOL OSC C
1 2
32 UHF RF IN2 31 UHF RF IN1
D Bidirectional Data Transmission D 30-V Tuning Voltage Output D 4-Channel NPN Type Band Switch Drivers D Programmable Reference Divider Ratio
OSC GND VHS OSC B VHS OSC C UHF OSC B1 UHF OSC C1
3 4 5 6 7
30 VHF RF IN2 29 VHF RF IN1 28 RF GND 27 MIX OUT2 26 MIX OUT1
(512, 640 or 1024)
D 5-V Power Supply D 32-Pin TSSOP Package
UHF OSC C2 UHF OSC B2
IF GND IF OUT1
8 9 10 11
25 BS4 24 BS3 23 BS2 22 BS1
description
SN761672A is a single chip synthesized tuner IC designed for TV/VCR tuning systems.
SN761672A Datasheet
