ka2192 Samsung Semiconductor, Inc., ka2192 Datasheet
ka2192
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ka2192 Summary of contents
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... KA2192 4 IN PUT A/V SWITCH The KA2192 is audio/video 4 input switching IC in the video system for S-VHS(Super-Video Home System). This device can select audio/video signal of each different 4 kinds input. This device separates Y(luminance) and C(chroma) for S-VHS. FUNCTION Two input decoder Mode selector ...
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... KA2192 BLOCK DIAGRAM TV- Ls-IN 6dB Rs-IN 5 Sy-IN 6 6dB TV Polarity 7 Sc- EXT1 EXT2 14 SW1 15 6dB or 8dB switch Inv 3 abc MODE + SELECT AV AV switch 4 pulse gen AV=1 mute s Decoder INPUT A/V SWITCH 30 Vout ...
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... KA2192 Characteristic Supply Voltage Input Terminal Signal Voltage Input Terminal Voltage Power Dissipation Operating Temperature Storage Temperature ABSOLUTE MAXIMUM RATINGS (T ELECTRICAL CHARACTERISTICS Characteristic Symbol Total Current Input Dynamic Range Video Gain Video Crosstalk Y and C Crosstalk Symbol V max CC V max S V max GND-0 ...
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... KA2192 Characteristic Frequency Width Clamp Level Sound Dynamic Range Sound Gain Sound Frequency Characteristics Source Crosstalk Source and Channel Crosstalk Sound Mute Atenuation SW 1 Threshold VTG SW 2 Threshold VTG Sound Mute Treshold VTG TV Polarity s/w Threshold Mode Output Voltage ELECTRICAL CHARACTERISTICS(Contiued) 4 INPUT A/V SWITCH ...
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... KA2192 OPERATING PRINCIPLE ÀIn-output truth table of A/V switching IC for input switch conditions. SW INPUT DECODER OUT SW1 SW2 L:0(V) L:0.8(V) H:5(V) H:2.1(V) ÁSound mute switch ÂGain switch SOUND-OUT MUTEIN L-OUT R-OUT SWITCH ...
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... KA2192 TEST CIRCUIT sw1 sw2 sw3 3 TV-IN sw4 4 Ls-IN sw5 Rs-IN 5 sw6 Sy-IN 6 sw7 7 TV Polarity sw8 8 Sc-IN sw9 9 L1 sw10 R1 10 sw11 11 EXT1 sw12 12 L2 sw13 13 R2 sw14 EXT2 14 sw15 15 SW1 4 INPUT A/V SWITCH Vcc F 0.01 Vout Vcc 29 Vcc 28 sw27 GAIN S/W 27 sw26 C-IN 26 CLAMP 25 F 3.3 sw24 ...