TDA8740 Datasheet (NXP) - Satellite sound circuit with noise reduction

TDA8740, Satellite sound circuit with noise reduction

The TDA8740; TDA8740H is a multi-function sound IC for use in satellite receivers, television sets and video recorders.

The pin numbers given in parenthesis throughout this document refer to the QFP44 package.

CONDITIONS MIN.

TYP.

MAX.

UNIT 8 S/N(A) = 40 dB * 5.5 10.0 *9 62 12

TDA8740 Features

* Demodulation of main audio signal using wide band PLL (lock range selectable)

* Demodulation of secondary audio signals using wide band PLL

* HF input selection: two-out-of-eight secondary audio signals can be selected

* Noise reduction of the secondary audio signal