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General description

The TDA18211HD is a Silicon Tuner IC designed for digital terrestrial (DVB-T) TV reception. The TDA18211HD integrates the overall tuning function, including selectivity, and provides a low-IF output signal. The TDA18211HD uses integrated IF filters to support 6/7/8 MHz channel bandwidths. The TDA18211HD requires only one single 16 MHz crystal for clock generation. A clock signal is available on crystal oscillator output pins (XTOUTP/XTOUTN) to synchronize the channel decoder and slave front end in case of DVR configuration.

Features

■ Fully integrated RF tracking filters for unwanted signal suppression

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

■ Fully integrated oscillators with no external components

■ Integrated wideband gain control

■ Alignment free

■ RF loop-through for easy implementation in the STB

■ Input power level indicator

■ Integrated die thermal sensor

■ Single 3.3 V power supply

■ Low power consumption (780 mW)

■ Crystal oscillator output buffer (16 MHz) to allow single crystal applications

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

■ Three Standby modes

■ RoHS packaging

Applications

3.1 Target applications

■ DVB-T Set-Top-Box (STB) and TV receiver

■ Application optimization is described in the application notes