TDA3853T

INTEGRATED CIRCUITS DATA SHEET TDA3853T TV IF amplifier and demodulator with TV-identification Preliminary specification File under Integrated Circuits, IC02 January 1992 Philips Semiconductors Preliminary specification TV IF amplifier and demodulator with TV-identification FEATURES Suitable for standards B/G (I, M, N, DK), see Table 1 Gain controlled 3-stage IF amplifier with typically 80 MHz bandwidth High performance synchronous demodulator for negative and positive video modulation; passive regeneration of the reference signal Peak-sync-related AGC AGC output voltage take over point adjustable High sensitive TV identification based on vertical pulse duty cycle recognition; IDENT output QUICK REFERENCE DATA SYMBOL VP IP Vi Gv Vo CVBS B S/N α1.1 α3.3 αspur Tamb suppression of spurious harmonics of video signal operating ambient temperature supply voltage supply current vision IF input signal sensitivity (RMS value, pins 1-20) maximum vision IF input signal (RMS value, pins 1-20) IF gain control range buffered CVBS output signal on pin 12 (peak-to-peak value) −3 dB video bandwidth (pin 12) signal-to-noise ratio for video intermodulation attenuation at yellow PARAMETER − − 100 63 1.7 − 55 53 60 22 0 MIN. 4.75 5 46 70 − 66 2 14 60 56 − 26 − TYP. Video off switch Sound trap buffer amplifier TDA3853T Tracking generator (AFT output) with Q-demodulator and internal 90 degree phase shifter for tracking the reference circuit Low supply voltage 5 V, low power c...