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SN761681

Texas Instruments
Part Number SN761681
Manufacturer Texas Instruments
Description TV TUNER
Published Sep 4, 2019
Detailed Description www.ti.com FEATURES • Single-Chip Mixer/Oscillator and PLL Synthesizer • Three-Band Local Oscillator • I2C Bus Protocol ...
Datasheet PDF File SN761681 PDF File

SN761681
SN761681

Overview
www.
ti.
com 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 APPLICATIONS • TV • VCR/DVD Recorder • Set-Top Box 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 co...


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