Philips TDA3853t free download

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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 1.1 3.3 spur 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 consumption GENERAL DESCRIPTION Monolithic integrated circuit for vision IF signal processing in TV and VTR sets. MAX. 6 - 100 - - 2.3 - - - - - 70 V UNIT mA µV mV dB V MHz dB dB dB dB °C ORDERING INFORMATION EXTENDED TYPE NUMBER TDA3853T Note 1. SOT163-1; 1997 January 8. PACKAGE PINS 20 PIN POSITION mini-pack MATERIAL plastic CODE SOT163A January 1992 2 Philips Semiconductors Preliminary specification TV IF amplifier and demodulator with TV-identification TDA3853T Fig.1 Block diagram. January 1992 3 Philips Semiconductors Preliminary specification TV IF amplifier and demodulator with TV-identification PINNING SYMBOL Vi a TOP CBL n.c. VIDOFF IDENT TRSW AFT n.c. RES1 RES2 CVBS TRAP VIDEO VP Cstab GND CAGC AGC Vi b PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DESCRIPTION balanced vision IF input a tuner AGC take over adjustment point (TOP) capacitor for black level not connected video off input, identification capacitor TV identification output set input for tracking switch, tracking hold capacitor automatic frequency tracking output not connected resonance reference circuit for vision carrier resonance reference circuit for vision carrier CVBS output (positive) video buffer amplifier input from sound trap video and sound intercarrier output +5 V supply voltage decoupling capacitor for voltage stabilizer ground (0 V) capacitor for AGC AGC output to tuner balanced vision IF input b amplifier with resistive load to provide passive vision carrier regenerat