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TDA8742H Datasheet

Part Number TDA8742H
Manufacturers NXP
Logo NXP
Description Satellite sound circuit
Datasheet TDA8742H DatasheetTDA8742H Datasheet (PDF)

www.DataSheet4U.com INTEGRATED CIRCUITS DATA SHEET TDA8742; TDA8742H Satellite sound circuit with noise reduction Product specification Supersedes data of November 1992 File under Integrated Circuits, IC02 October 1994 Philips Semiconductors Philips Semiconductors Product specification Satellite sound circuit with noise reduction FEATURES • Demodulation of main audio signal using wide band PLL (lock range selectable) • HF input selection: two-out-of-eight secondary audio signals can be sele.

  TDA8742H   TDA8742H






Part Number TDA8742
Manufacturers NXP
Logo NXP
Description Satellite sound circuit
Datasheet TDA8742H DatasheetTDA8742 Datasheet (PDF)

www.DataSheet4U.com INTEGRATED CIRCUITS DATA SHEET TDA8742; TDA8742H Satellite sound circuit with noise reduction Product specification Supersedes data of November 1992 File under Integrated Circuits, IC02 October 1994 Philips Semiconductors Philips Semiconductors Product specification Satellite sound circuit with noise reduction FEATURES • Demodulation of main audio signal using wide band PLL (lock range selectable) • HF input selection: two-out-of-eight secondary audio signals can be sele.

  TDA8742H   TDA8742H







Satellite sound circuit

www.DataSheet4U.com INTEGRATED CIRCUITS DATA SHEET TDA8742; TDA8742H Satellite sound circuit with noise reduction Product specification Supersedes data of November 1992 File under Integrated Circuits, IC02 October 1994 Philips Semiconductors Philips Semiconductors Product specification Satellite sound circuit with noise reduction FEATURES • Demodulation of main audio signal using wide band PLL (lock range selectable) • HF input selection: two-out-of-eight secondary audio signals can be selected • Demodulation of secondary audio signals using wide band PLL • Noise reduction of the secondary audio signals • Output selection: stereo, language 1, language 2, main audio and external • Mute control • Line outputs (SCART level). QUICK REFERENCE DATA SYMBOL Supply VP VIN3(rms) ∆fOM supply voltage PARAMETER APPLICATIONS • Satellite receivers • TV sets • Video recorders. TDA8742; TDA8742H GENERAL DESCRIPTION The TDA8742; TDA8742H 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 A-weighted 62 12 13.2 V Main channel input sensitivity pin 18 (14) (RMS value) lock range PLL demodulator either or VOM S/N(A) output voltage pin 23 (19) signal-to-noise ratio − − −6 70 7.5 11.5 −4 − MHz MHz dBV dB 1.0 2.0 mV Secondary channels VIN1,IN2(rms) input sensitivity pins 2, 4, 6, 8, 10, .


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