SN761640 Datasheet (Texas Instruments)

SN761640, DIGITAL TV TUNER IC

The SN761640 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems.

The circuit consists of a PLL synthesizer, three-band local oscillator and mixer, RF AGC detector circuit, and IF gain-controlled amplifier.

The SN761640 is available in a small-outline package.

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SN761640 Features

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* Integrated Mixer/Oscillator/PLL and IF GCA

* VHF-L, VHF-H, UHF 3-Band Local Oscillator

* RF AGC Detector Circuit

* I2C Bus Protocol Bidirectional Data Transmission

* High-Voltage Tuning Voltage Output

* Four NPN-Type Band Switch Drivers

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