TDA18271HD数据手册恩XP中文资料规格书

描述 Description

The TDA18271HD is a Silicon Tuner IC designed mainly for terrestrial analog and digital TV reception. The TDA18271HD integrates the overall tuning function, including selectivity.

The TDA18271HD is compatible with all analog and digital TV standards and delivers a low IF signal to a demodulator (for analog TV) and/or channel decoder (for digital TV).

This specification is based on software version 3.4.

特性 Features

Fully integrated RF tracking filters for unwanted signal suppression

Fully integrated IF selectivity (no need for external SAW filters)

Worldwide multistandard terrestrial (all analog and digital worldwide terrestrial standards supported)

Integrated loop-through and slave tuner output for straightforward multi-Silicon Tuner application

Fully integrated oscillators with no external components

Alignment free

Integrated wide-band gain control

Single 3.3 V power supply

Low power consumption

Crystal oscillator output buffer (16 MHz) for single crystal applications

I²C-bus interface compatible with 3.3 V and 5 V microcontrollers

Three Standby modes

RoHS packaging

应用 Application

Target applications



Hybrid (analog and digital TV) for PCTV, DVD-R and TV applications

Application optimization is described in application notes AN602, AN604 and AN605




Key benefits



The TDA18271HD is a Silicon Tuner targeting digital and analog TV applications. The aim is to match the performance of conventional Can tuners while reducing the size of the tuner function. Additionally, the following benefits are provided:
Easy on-board integration

Easy dual tuner configuration

Drastic size reduction of the tuner function and power consumption