TDA2546A

INTEGRATED CIRCUITS DATA SHEET TDA2546A Quasi-split-sound circuit with 5,5 MHz demodulation Product specification File under Integrated Circuits, IC02 February 1985 Philips Semiconductors Product specification Quasi-split-sound circuit with 5,5 MHz demodulation GENERAL DESCRIPTION TDA2546A The TDA2546A is a monolithic integrated circuit for quasi-split-sound processing, including 5,5 MHz demodulation, in television receivers. Features 1st i.f. (V.C.: vision carrier plus S.C.: sound carrier) 3-stage gain controlled i.f. amplifier A.G.C. circuit Reference amplifier and limiter amplifier for vision carrier (V.C.) processing Linear multiplier for quadrature demodulation 2nd i.f. (5,5 MHz signal) 8-stage limiter amplifier Quadrature demodulator A.F. amplifier with de-emphasis AV switch QUICK REFERENCE DATA Supply voltage (pin 15) Supply current (pin 15) Minimum i.f. vision carrier input voltage (r.m.s. value) Output voltage; 5,5 MHz (r.m.s. value) Output voltage; 5,742 MHz (r.m.s. value) I.F. control range Signal-to-weighted-noise ratio (rel. to 1 kHz; 30 kHz deviation) at 5,5 MHz for 2T/20T pulses with white bars at 5,742 MHz A.F. output voltage (r.m.s. value) PACKAGE OUTLINES 18-lead DIL; plastic (SOT 102); SOT102-1; 1996 November 19. S + W/W Vo6-16(rms) typ. typ. 56 0,6 dB V S + W/W typ. 58 dB VP = V15-16 IP = I15 VVC1-18 (rms) V14-16(rms) V14-16(rms) ∆Gv typ. typ. typ. typ. typ. typ. 12 57 150 100 45 64 V mA µV mV mV dB February 1985 2 Philips Semicondu...