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 alow IF signal to a demodulator (for analog TV) and/or channel decoder (for digital TV)。
TDA18271HD主要特性:
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
TDA18271HD目标应用:
Hybrid (analog and digital TV) for PCTV, DVD-R and TV applications
Application optimization is described in application notes AN602, AN604 and AN605