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TDA3842 Datasheet Multistandard Tv If Amplifier And Demodulator

Manufacturer: Philips Semiconductors (now NXP Semiconductors)

Overview: Philips Semiconductors Preliminary specification Multistandard TV IF amplifier and demodulator with TV signal.

General Description

TDA3842 • Adjustable take-over point (TOP);

positive AGC slope • Switching to fast AGC dependent on TV identification • Alignment free AFC detector with integrated phase shift • ESD protection • TV signal identification • Options: tracking of reference circuit, suitable for MAC-on-cable The TDA3842 is a bipolar integrated circuit for vision IF-signal processing in multistandard TV and VTRs, designed for a supply voltage range from 5.0 V to 8.0 V.

QUICK REFERENCE DATA SYMBOL VP IP V1-20(rms) PARAMETER supply voltage range (pin 15) supply current (pin 15) IF input signal for nominal video output voltage at pin 14 (RMS value) minimum IF input signal for TV signal identification at pin 6 (RMS value) Vo Gv S/N V8 SAFC RR video output signal (pin 12) IF voltage gain control range signal-to-noise ratio AFC output voltage swing AFC steepness (pin 8) supply voltage ripple rejection (pin 12) V1-20 =1 0m V VP = 5.0 V f = 38.9 MHz maximum Gv buffered CONDITIONS − − − − − 55 − − 30 MIN.

Key Features

  • Low supply voltage range, from 5.0 V to 8.0 V.
  • Low power dissipation, 200 mW at 5 V.
  • High supply ripple rejection.
  • Wide IF bandwidth of 80 MHz.
  • Synchronous demodulator with low differential phase and gain.
  • Additional video buffer with a wide bandwidth of 10MHz.
  • Video off switch.
  • Peak sync AGC for negative modulation, e. g. B/G.
  • Peak white AGC for positive modulation, e. g. L.

More Datasheets from Philips Semiconductors (now NXP Semiconductors)

Part Number Description
TDA3840 TV IF Amplifier and Demodulator
TDA3081 SEVEN-TRANSISTOR ARRAYS
TDA3082 SEVEN-TRANSISTOR ARRAYS
TDA3501 Video Control Combination
TDA3570 NTSC Decoder
TDA3724 Secam Identification Circuit
TDA3730 Frequency Demodulator and Drop Out Compensator for Video Recoders
TDA3740 Video Processor and Frequency Modulator for Video Recoders
TDA3755 PAL/NTSC/SECAM Synchronization Processor
TDA3760 PAL Chrominance Signal Processor for Video Recoders

TDA3842 Distributor