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TDA9820 Scheda tecnica(PDF) 2 Page - NXP Semiconductors |
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TDA9820 Scheda tecnica(HTML) 2 Page - NXP Semiconductors |
2 / 20 page 1996 Nov 20 2 Philips Semiconductors Product specification Multistandard/dual channel TV FM intercarrier sound demodulator TDA9820 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. GENERAL DESCRIPTION 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. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage (pin 14) 4.5 5.0 8.8 V IP supply current (pin 14) 23 30 37 mA IM AC peak current (pins 7 and 8) −− 1.5 mA Vi(rms) input signal (RMS value) − 150 250 µV Vo(rms) output signal (pins 7 and 8; RMS value) ∆fi = ±50 kHz 0.4 0.5 0.6 V signal plus noise-to-noise ratio (pins 7 and 8) in accordance with “CCIR 468-3” 64 68 − dB α8/7 crosstalk attenuation f = 50 to 12500 Hz 60 70 − dB RR supply voltage ripple rejection (pins 7 and 8) VRR < 200 mV; f = 70 Hz 16 20 − dB Tamb operating ambient temperature 0 − 70 °C TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA9820 DIP16 plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 TDA9820T SO16 plastic small outline package; 16 leads; body width 7.5 mm SOT162-1 SN + N -------------- 40 dB = SN + N -------------- |
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