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KA2192 Dataheets PDF



Part Number KA2192
Manufacturers Samsung
Logo Samsung
Description 4 IN PUT A/V SWITCH
Datasheet KA2192 DatasheetKA2192 Datasheet (PDF)

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. 4 INPUT A/V SWITCH 30-SDlP-400 FUNCTION • Two input decoder • Mode selector • 4 * 1 switch • Mute switch • Bias stage • Gain switch (6dB or 8dB) • Clamp circuit • TV polarity switch • 2 * 1 switch • Pulse generator • Switching part .

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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. 4 INPUT A/V SWITCH 30-SDlP-400 FUNCTION • Two input decoder • Mode selector • 4 * 1 switch • Mute switch • Bias stage • Gain switch (6dB or 8dB) • Clamp circuit • TV polarity switch • 2 * 1 switch • Pulse generator • Switching part for selecting channel ORDERING INFORMATION Device KA2192 Package Operating Temperature 30-SDIP-400 -20~+65°C FEATURE • Indepandent and stable bias block to prohibit cross talk of and source. • Available the mode output. • TV polarity switch can select negative and positive video signal to switch conditions. • Clamp block for stabile video signal. • Switch for to control signal gain (6dB or 8dB). • Separation and Processing of Y(luminance) and C(chroma) for S-VHS video. KA2192 BLOCK DIAGRAM 4 INPUT A/V SWITCH L TV R TV TV-IN Ls-IN Rs-IN Sy-IN TV Polarity Sc-IN L1 1 2 3 4 5 6 7 6dB Inv 4x1 switch 6dB or 8dB 30 29 28 27 Vout Vcc Vcc GAIN S/W CLAMP 3 abc 26 C-IN 25 24 AV=1 CLAMP Y-OUT MODE-UP L-OUT R-OUT C-OUT GND Y-OUT MUTE SW2 + 6dB MODE SELECT 8 SWICH 9 4 4 AV=1 23 22 21 20 19 pulse gen 18 AV=1 mute s/w abcd Decoder 2 X 4 17 16 R1 10 EXT1 11 L2 R2 12 13 2x1 switch 4 EXT2 14 SW1 15 KA2192 4 INPUT A/V SWITCH Characteristic Supply Voltage Input Terminal Signal Voltage Input Terminal Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCCmax VSmax VINmax PDmax TOPR TSTG Value 15 3 GND-0.3~VCC+0.3V 1.6 -20~+70 -55~+150 Unit V Vp-p W °C °C ABSOLUTE MAXIMUM RATINGS (TA=25°C) ELECTRICAL CHARACTERISTICS Characteristic Total Current Input Dynamic Range Video Gain Symbol ICC VDY Y VDYC S VDY GV ∆GV GYC S GDY CM CYC Test Conditions VCC=9V 15KHz Sine Wave 15 KHz 1VP-P Sine Wave 4.45 KHz 1Vp-p Sine Wave Min 21 1.7 5.5 1.9 5.6 0.5 -0.2 5.0 50 50 Typ 32 2.2 6.5 2.4 6.0 2.0 0 6.0 64 64 Max 43 7.0 2.5 0.5 7.0 Unit mA VP-P dB Video Crosstalk Y and C Crosstalk KA2192 4 INPUT A/V SWITCH 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 Symbol fM f YC f YC CL VDY GA fA CA CLR MA VTH1 VTH2 VTHM VTHP VM VM VM Test Conditions 1VP-P Sine Wave PAL TV Signal 1 KHz 1VP-P Sine Wave 1VP-P Sine Wave 1 KHz 1VP-P Sine Wave Min 10 10 10 5 -0.5 100 60 60 60 1.0 1.0 1.3 1.7 3.7 Typ 24 39 24 21 6 0 72 72 75 2.0 2.0 2.3 4.0 0 2.0 4.0 Max 50 0.5 3.0 3.0 3.3 0.2 2.3 4.5 Unit MHz % VP-P dB KHz dB dB V V ELECTRICAL CHARACTERISTICS(Contiued) S A TV E S KA2192 OPERATING PRINCIPLE 4 INPUT A/V SWITCH À In-output truth table of A/V switching IC for input switch conditions. SW INPUT SW1 L H H L L:0(V) H:5(V).


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