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| KA2197D RGB ENCODER RGB ENCODER FOR NTSC 24-SOP The KA2197 is a monolithic integrated circuit designed for RGB encoder of video system. This device contains matrix of R-Y/B-Y, modulator, pulse generator, regulator and built in BPF of chroma and delay line of luminance and Y/C output using S-VHS system. The KA2197D is suitable for video equipment. FUNCTIONS * Regulator * Mixer of R-Y, B-Y * Modulator * Pulse generator * Audio buffer * X-tal oscillator * Clamp circuit * BPF & D.L circuit * Y/C output ORDERING INFORMATION Device Package Operating Temperature KA2197D 24SOP -20C ~+70C BLOCK DIAGRAM 24 23 22 21 20 19 18 17 16 Y OUT R G B VIDEO OUTPUT Y/C MIXER DL & TRAP 15 C OUT 3.58M BPF REGULATOR 14 13 R,G,B OUTPUT MATRIX R-Y MODULATOR + B-Y MODULATOR SYNC ADD R,G,B CLAMP X-TAL OSC. PHASE SHIFTER PULSE GEN. BUFFER SYNC OUT R 1 2 G 3 B 4 5 6 7 8 9 10 11 12 KA2197D RGB ENCODER FOR NTSC PIN CONFIGURATION Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 DESCRIPTION GND 1 RED INPUT GREEN INPUT BLUE INPUT X-TAL OUT X-TAL IN N.C AUDIO IN AUDIO OUT COMPOSITE SYNC INPUT COMPOSITE SYNC OUTPUT VCC 1 Pin NO 13 14 15 16 17 18 19 20 21 22 23 24 DESCRIPTION REGULATOR CURRENT SINK 2V REGULATOR OUTPUT C OUT Y OUT N.C N.C VCC 2 COMPOSITE VIDEO OUTPUT BLUE OUTPUT GREEN OUTPUT RED OUTPUT GND 2 * VCC 1, GND 1 : EXCEPT OUTPUT STAGE * VCC 2, GND 2 : OUTPUT STAGE ABSOLUTE MAXIMUM RATINGS (TA=25C) Characteristic Supply Voltage Power dissipation Operating Temperature Storage Temperature Symbol VCC PD TOPR TSTG Value 10 1250 -20~+70 -55~+150 Unit V mW C C ELECTRICAL CHARACTERISTICS(TA=25C, VCC=5V) Characteristic Supply Current 1 Supply Current 2 R Output Voltage G Output Voltage B Output Voltage R Frequency Response G Frequency Response B Frequency Response Sync. Level R 100% Y Level G 100% Y Level B 100% Y Level Symbol ICC1 ICC2 VO VO VO fC fC fC VOS VO VO VO Test Condition No Signal input No Signal input RIN =1 VP-P GIN =1 VP-P BIN =1 VP-P R, G, B f = 200 KHz -dB POINT Condition:R, G, B and C Sync. input Measure Composite Video Output Min 29 6.0 0.64 0.64 0.64 5 5 5 0.26 0.19 0.38 0.07 Typ 39 11 0.71 0.71 0.71 0.29 0.21 0.42 0.08 Max 49 16 0.78 0.78 0.78 0.33 0.25 0.48 0.09 Unit mA mA VP-P VP-P VP-P MHz MHz MHz V V V V KA2197D RGB ENCODER FOR NTSC Characteristic While 100% Y level Differiential Gain Differiential Phase Burst Level R Chroma Ratio G Chroma Ratio B Chroma Ratio R Phase G Phase B Phase Burst Width Burst Position Carrier Leakage C Sync. Output Level Audio Buffer Gain Audio Freq. Response Audio Distortion Sync. Level R 100% Y Level G 100% Y Level B 100% Y Level White 100% Y Level Burst Level R Chroma ratio G Chroma ratio B Chroma ratio Symbol VO DG DP VOB R/BN G/BN B/BN SR SG SB TWB TDB VI VOS GA FA THD Y(CS) Y(R) Y(G) Y(B) Y(W) C(BN) C(R/BN) C(G/BN) C(B/BN) Test Conditions Composite Video Output Min 0.64 0.22 2.8 2.65 2.01 94 231 337 2.5 0.45 0.2 -1.0 30 0.26 0.19 0.38 0.07 0.64 0.22 2.80 2.65 2.01 Typ 0.71 0.29 3.15 2.95 2.24 104 241 347 2.75 0.5 0.29 0 0.29 0.21 0.42 0.08 0.71 0.29 3.15 2.95 2.24 Max 0.82 3.0 3.0 0.34 3.5 3.25 2.57 114 251 357 3.6 0.75 30 0.4 1.0 1.0 0.33 0.25 0.48 0.09 0.82 0.34 3.50 3.25 2.47 Unit V % deg VP-P times times times deg deg deg us us mVP-P VP-P dB KHz % VP-P V V V V VP-P time time time 1VP-P, f=1KHz -3dB 1VP-P, f=1KHz Y OUTPUT C OUTPUT KA2197D TEST WAVEFORM *R,G,B OUT 2.0V SYNC IN 64us 4.5us 1.0Vp-p R,G,B f=200KHz IN 0.8V RGB ENCODER FOR NTSC * COMPOSITE VIDEO OUT 2.0V 0.8V 1 Vp-p R IN SYNC IN 1 Vp-p G IN Vo R,G,B OUT 1 Vp-p B IN COMPOSITE VIDEO OUT *AUDIO OUT AUDIO IN Vin=1Vp-p f=1kHz 2.0V 0.8V SYNC IN AUDIO OUT Vo Vos SYNC OUT KA2197D APPLICATION CIRCUIT RGB ENCODER FOR NTSC R OUT G OUT B OUT composite video OUT Y OUT C OUT 0.01F + 75 470F 75 75 75 470F 75 470F 75 470F 470F 470F Vcc(5V) 100F + 24 23 + 22 + 21 + n.c 20 19 18 n.c 17 + 16 + 15 + 14 10F n.c 13 KA2197D 1 2 3 4 5 n.c 6 7 n.c 8 9 10 11 n.c 12 + 0.1F 0.1F 0.1F 0.1F 10F + 10F 75 AUDIO OUT R IN G IN B IN AUDIO IN C. SYNC IN 400 ~ 100mVp-p fsc in 4.43MHz ** only using external fsc input |
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