SN761644 Datasheet - Texas Instruments

DIGITAL TV TUNER IC

SN761644 Features

* 1

* Integrated Mixer/Oscillator/PLL and IF GCA

* Mirror Pin Package of SN761640

* 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

SN761644 General Description

The SN761644 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 SN761644 is available in a small-outline package. 1 Please .

SN761644 Datasheet (929.82 KB)