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General description

The TDA18273HN is a high performance Silicon Tuner designed for terrestrial and cable TV reception for both analog and digital signals.

The TDA18273HN supports all analog and digital TV standards and delivers a LOW IF (LIF) signal to a demodulator for analog TV and/or a channel demodulator for digital TV.

Features and benefits

■ Fully integrated IF selectivity; eliminating the need for external SAW filters

■ Worldwide multistandard terrestrial and cable

■ Fully integrated oscillators

■ Alignment free

■ Single 3.3 V supply voltage

■ Power level detector

■ Integrated wideband gain control

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

■ I2C-bus interface compatible with 3.3 V microcontrollers

■ Self AGC synchronization mode (VSYNC)

■ Very fast tuning time

■ LIF channel center frequency output ranging from 3 MHz to 5 MHz

■ 1.7 MHz, 6 MHz, 7 MHz, 8 MHz and 10 MHz channel bandwidths

■ Ready for DVB-T2 and DVB-C2

■ RoHS compliant

■ Strong immunity to spurious and field interferences