NXP Semiconductors TDA8740
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. 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. | TDA8740 |
|---|---|
| Datasheet | TDA8740 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Satellite sound circuit with noise reduction |
| Buy | Stock & Price |
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 signals
● Output selection: stereo, language 1, language 2, main audio and external
● Mute control
● Line outputs (SCART level). QUICK REFERENCE DATA SYMBOL Supply VP Main channel VIN3(rms) ∆fOM 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 A-weighted supply voltage PARAMETER
APPLICATIONS
● Satellite receivers● TV sets
● Video recorders. TDA8740; TDA8740H
GENERAL DESCRIPTION
CONDITIONS MIN. TYP. MAX. UNIT 8 S/N(A) = 40 dB − 5.5 10.0 −9 62 12 13.2 V 1.0 − − −6 70 2.0 7.5 11.5 −4 − mV MHz MHz dBV dB Secondary channels VIN1,IN2 ∆fOS1,2 VOR,OL S/N(A) Crosstalk αS/M αM/S αS/S crosstalk from secondary to main channel crosstalk from m...
