NXP Semiconductors TDA8742
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. When using IR reflow soldering it is recommended that the Drypack instructions in the “Quality Reference Handbook” (order number 9398 510 63011) are followed.| Part No. | TDA8742 |
|---|---|
| Datasheet | TDA8742 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Satellite sound circuit |
| Buy | Stock & Price |
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
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, 12, 14 and 16 (1, 3, 5, 7, 9, 11, 40 and 42) (RMS value) ∆fO...
