General description

The TDA18214AHN and TDA18214HN are high performance silicon tuners designed for digital terrestrial and digital cable TV reception.

The TDA18214AHN and TDA18214HN support all digital TV standards and deliver a Low IF (LIF) signal to a demodulator.

Features and benefits

Single 3.3 V supply voltage

Worldwide multistandard digital terrestrial and digital cable capabilities

Alignment free

RoHS compliant

I

2

C-bus interface compatible with 3.3 V microcontrollers

Crystal oscillator output buffer

Slave Tuner Output (STO) for multi-tuner applications (TDA18214AHN only)

Fully integrated oscillators

2 programmable General-Purpose Outputs (GPO)

Loop-Through Output (LTO)

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

LIF channel center frequency output ranging from 0.8 MHz to 7.5 MHz

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

Large flexibility in the IF filtering stage to ease the matching with various demodulators circuits

Single-ended RF input, no need for external balun

Up to 1 GHz RF input capability

Excellent return loss compatible with cable requirements

Power Level Detector (PLD) embedded

Integrated gain control

Very fast tuning time

Strong immunity to LTE interferers in the digital dividend bandwidth

Strong immunity to WLAN interferers