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CXA2020M Datasheet(PDF) 1 Page - Sony Corporation |
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CXA2020M Datasheet(HTML) 1 Page - Sony Corporation |
1 / 18 page Description The CXA2020M/S, is a bipolar IC designed as EIAJ TV sound multiplexing decoder, provides various functions including sound multiplexing demodulation, broadcast mode identification (stereo/bilingual discrimination display), mode display, and muting. Features • Adjustment free of filter. • High frequency stereo separation improved. • An internal active filter greatly reduces the external parts. • Use of the countdown method for broadcast mode identification eliminates the necessity of adjusting the identification system (Cue oscillator). • Output level: 520mVrms (1kHz, monaural, 100%). • Internal filter eliminates interference from digital facsimile signals. • The discrimination time needed to shift from multiplexing sound to monaural sound is reduced. • Forced monaural mode can be set to operate only for stereo broadcasts or for stereo/bilingual broadcasts. Applications • Color TVs • Hi-Fi VCRs Structure Bipolar silicon monolithic IC Pin Configuration Absolute Maximum Ratings (Ta = 25°C) [ ( ) is the pin No. for the CXA2020S.] • Supply voltage VCC 10 V • Input signal (Pin 6) Vis 0.6 Vp-p • Control voltage (Pins 5, 12, 13, 14) Vic VCC V • Operating temperature Topr –20 to +75 °C • Storage temperature Tstg –65 to +150 °C • Allowable power dissipation PD (A2020M) 1000 mW (A2020S) 900 mW • LED drive current ILED 10 mA Operating Supply Voltage Range 8.5 to 9.5 V – 1 – CXA2020M/S E94Y28-ST EIAJ Sound Multiplexing Decoder Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. CXA2020S 22 pin SDIP (Plastic) CXA2020M 28 pin SOP (Plastic) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 GND NC REFL Vcc MO MODE MPX IN NC CUBI LEDST LEDSU LEDM SUBI SC OUT SC IN MC OUT MC IN L OUT R OUT M OUT FOMO MUTE MODE 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 GND NC REFL Vcc MO MODE MPX IN NC CUBI LEDST LEDSU LEDM SUBI SC OUT SC IN MC OUT MC IN L OUT R OUT M OUT FOMO MUTE MODE NC 23 24 25 26 27 28 NC NC NC NC NC CXA2020M CXA2020S |
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