SN761646 Datasheet (Texas Instruments)

SN761646, DIGITAL TV TUNER IC

The SN761646 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems.

The circuit consists of a PLL synthesizer, two-band local oscillator and mixer, RF AGC detector circuit and IF gain controlled amplifier, and is available in a small outline package.

1 Please be aware tha

SN761646 Features

* 1

* Integrated Mixer/Oscillator/PLL and IF GCA

* VHF-H, UHF 2-Band Local Oscillator

* I2C Bus Protocol (Fixed Address)

* 30-V Tuning Voltage Output

* Two General Purpose Ports

* Selectable Wide/Narrow Band RF AGC Detector

* Crystal Oscillator 4