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| KA2195D RGB ENCODER FOR NTSC RGB ENCODER The KA2195D 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. The KA2195D is suitable for video equipment 24 SOP FUNCTION * * * * * * * * Regulator Mixer of R-Y, B-Y Modulator Pulse generator Audio buffer X-tal oscillator Clamp circuit BPF & D.L circuit ORDERING INFORMATION Device Package Operating Temperature KA2195D 24SOP -20~+70C FEATURE * Lower operating voitage:Vcc= 5V * Stabilized bias condition in regulator * Available only NTSC system * Included 75 ohm driver (RGB Output, composite video output, composite sync. output) * Sub-carrier frequency using X-tal and available external input * Include BPF & delay line :Minimized external components * Audio buffer circuit * R-Y, B-Y modulator BLOCK DIAGRAM 24 23 R 22 G 21 B 20 VIDEO OUTPUT 19 18 Y/C MIXER 17 16 DL & TRAP 15 3.58M BPF 14 13 REGULATOR 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 PIN CONFIGURATION KA2195D 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 NTSC S/W(VCC) 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 RGB ENCODER FOR NTSC DESCRIPTION REGULATOR CURRENT SINK 2V REGULATOR OUTPUT N.C N.C 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 20 5.6 0.64 0.64 0.64 5 5 5 0.26 0.19 0.38 0.07 Typ 27 7.6 0.71 0.71 0.71 0.29 0.21 0.42 0.08 Max 32 11 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 KA2195D 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 Symbol VO DG DP VOB R/BN G/BN B/BN SR SG SB TWB TDB VI VOS GA FA THD 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 - Typ 0.71 0.29 3.15 2.95 2.24 104 241 347 2.75 0.5 0.29 0 - 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 Unit V % deg VP-P times times times deg deg deg us us mVP-P VP-P dB KHz % 1VP-P, f=1KHz -3dB 1VP-P, f=1KHz KA2195D RGB ENCODER FOR NTSC * AUDIO OUT AUDIO IN Vin=1Vp-p f=1kHz * SYNC. OUT 2.0V 0.8V SYNC IN AUDIO OUT Vo Vos SYNC OUT * COMPOSITE VIDEO OUT 2.0V SYNC IN 0.8V 0.5V 0.2V VIDEO IN 0.3V CHROMA IN Composite Video Output KA2195D 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 KA2195D TEST CIRCUIT RGB ENCODER FOR NTSC 75 75 75 75 470F 75 75 470F 75 75 470F 5V 470F 10F 27K + 14 13 + 10F + 24 23 + 22 + 21 + 20 19 18 17 16 15 KA2195D 1 2 3 4 5 6 7 8 9 10 11 12 + 30P 3.58MHz X-tal + 10F 470F 75 + A 10F 75 5V 15K 2.0V 0.1F 0.1F 0.1F 50PF 5V R G B AUDIO IN C SYNC. IN KA2195D APPLICATION CIRCUIT RGB ENCODER FOR NTSC R OUT G OUT B OUT composite video OUT 0.01F + 75 75 75 75 10F 470F 470F 470F 470F 27K Vcc(5V) 100F + 10F + 24 23 + 22 + 21 + n.c n.c n.c n.c + 19 18 17 16 15 14 13 20 KA2195D 1 2 3 4 5 6 7 8 9 10 11 12 30PF 3.58MHz X-tal 10F 50PF + + 10F + 470F AUDIO OUT 75 C. SYNC OUT 0.1F 0.1F 0.1F 15K R IN G IN B IN AUDIO IN C.SYNC IN 0.1F 6 KA2195D 400 ~ 1000mVp-p fsc in 3.579545MHz 5 N.C |
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