SN761645 - DIGITAL TV TUNER IC

Product Overview

Texas Instruments

Datasheet Details

Part number	SN761645
Manufacturer	Texas Instruments
File Size	1.01 MB
Description	DIGITAL TV TUNER IC
Datasheet	SN761645 Datasheet
Additional preview pages of the SN761645 datasheet.

SN761645 Product details

Description

The SN761645 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, and is available in a small outline package.

Features

1.
Integrated Mixer/Oscillator/PLL and IF GCA.
VHF-L, VHF-H, UHF 3-Band Local Oscillator.
RF AGC Detector Circuit.
I2C Bus Protocol.
Seven-Step Charge Pump Current.
Four NPN Emitter-Follower Type Band Switch Drivers.
One Auxiliary Port/5-Level ADC.
Programmable Reference Divider Ratio.
Crystal Oscillator 4-MHz/16-MHz Support.
Selectable Digital IFOUT and Analog IFOUT.
Standby Mode.
5-V Pow.

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Published: Sep 4, 2019 |