TDA9820

INTEGRATED CIRCUITS DATA SHEET TDA9820 Multistandard/dual channel TV FM intercarrier sound demodulator Product specification Supersedes data of March 1991 File under Integrated Circuits, IC02 1996 Nov 20 Philips Semiconductors Product specification Multistandard/dual channel TV FM intercarrier sound demodulator FEATURES Multistandard application for sound standards M, B/G, I and D/K Two alignment-free PLL FM demodulators Four-input source selector for one of the two FM demodulators Automatic second sound carrier mute Mono and dual channel application Low power consumption Few external components required. QUICK REFERENCE DATA SYMBOL VP IP IM Vi(rms) Vo(rms) S+N ------------N α8/7 RR Tamb PARAMETER supply voltage (pin 14) supply current (pin 14) AC peak current (pins 7 and 8) input signal (RMS value) S+N ------------- = 40 dB N in accordance with “CCIR 468-3” f = 50 to 12500 Hz VRR < 200 mV; f = 70 Hz CONDITIONS MIN. 4.5 23 − − 0.4 64 60 16 0 TYP. 5.0 30 − 150 0.5 68 70 20 − GENERAL DESCRIPTION TDA9820 The TDA9820 is a monolithic, integrated, multistandard TV FM intercarrier sound demodulator for all FM standards. The circuit contains two separate FM demodulators using Phase Locked Loop (PLL) reference frequency generation. The circuit requires a minimum number of external components. MAX. 8.8 37 1.5 250 0.6 − − − 70 UNIT V mA mA µV V dB dB dB °C output signal (pins 7 and 8; RMS value) ∆fi = ±50 kHz signal plus noise-to-noise ratio (pins 7 and 8) crosstal...