KA2195D RGB ENCODER FOR NTSC RGB ENCODER 24 SOP 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 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~+70°C 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 22 G R 21 B R,G,B OUTPUT 20 19 18 17 Y/C MIXER VIDEO OUTPUT 16 DL & TRAP 15 3.58M BPF 14 REGULATOR R-Y MODULATOR MATRIX 13 SYNC ADD + B-Y MODULATOR R,G,B CLAMP R 1 2 G 3 X-TAL OSC. PHASE SHIFTER PULSE GEN. SYNC OUT BUFFER B 4 5 6 PIN CONFIGURATION 7 8 9 10 11 12 KA2195D Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 RGB ENCODER FOR NTSC DESCRIPTION Pin No 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 13 14 15 16 17 18 19 20 21 22 23 24 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=25°C) Characteristic Supply Voltage Power dissipation Operating Temperature Storage Temperature Symbol Value Unit VCC PD TOPR TSTG 10 1250 -20~+70 -55~+150 V mW °C °C ELECTRICAL CHARACTERISTICS(TA=25°C, 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 Test Condition Min Typ Max Unit ICC1 ICC2 VO VO VO fC fC fC VOS VO VO VO 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 20 5.6 0.64 0.64 0.64 5 5 5 0.26 0.19 0.38 0.07 27 7.6 0.71 0.71 0.71 0.29 0.21 0.42 0.08 32 11 0.78 0.78 0.78 0.33 0.25 0.48 0.09 mA mA VP-P VP-P VP-P MHz MHz MHz V V V V Condition:R, G, B and C Sync. input Measure Composite Video Output KA2195D 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 RGB ENCODER FOR NTSC 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 1VP-P, f=1KHz -3dB 1VP-P, f=1KHz Min Typ Max Unit 0.64 0.22 2.8 2.65 2.01 94 231 337 2.5 0.45 0.2 -1.0 30 - 0.71 0.29 3.15 2.95 2.24 104 241 347 2.75 0.5 0.29 0 - 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 V % deg VP-P times times times deg deg deg us us mVP-P VP-P dB KHz % KA2195D RGB ENCODER FOR NTSC * AUDIO OUT * SYNC. OUT AUDIO IN 2.0V Vin=1Vp-p f=1kHz SYNC IN 0.8V AUDIO OUT Vos SYNC OUT Vo * COMPOSITE VIDEO OUT 2.0V SYNC IN 0.8V 0.5V VIDEO IN 0.2V 0.3V CHROMA IN Composite Video Output KA2195D RGB ENCODER FOR NTSC TEST WAVEFORM * R,G,B OUT * COMPOSITE VIDEO OUT 2.0V 2.0V SYNC IN 64us 0.8V 0.8V 4.5us 1.0Vp-p R,G,B f=200KHz IN Vo SYNC IN R,G,B OUT 1 Vp-p R IN 1 Vp-p G IN 1 Vp-p B IN COMPOSITE VIDEO OUT KA2195D RGB ENCODER FOR NTSC TEST CIRCUIT 75Ω 75Ω 75Ω 75Ω 75Ω 75Ω 470µF 75Ω 470µF 75Ω 470µF 470µF + + + + 24 23 22 21 5V 20 27KΩ 10µF 19 18 + 10µF + 17 16 15 14 13 8 9 10 11 12 KA2195D 1 2 3 4 5 6 30P 15KΩ 0.1µF 2.0V R 0.1µF G 7 3.58MHz X-tal 50PF + + 10µF 10µF 5V + 470µF 75Ω 0.1µF B AUDIO IN C SYNC. IN A 75Ω 5V KA2195D RGB ENCODER FOR NTSC APPLICATION CIRCUIT G OUT R OUT B OUT composite video OUT 0.01µF + 75Ω 75Ω 75Ω 75Ω + + + 23 22 21 20 24 + 470µF 470 µF 470µF + 27KΩ 10µF 470 µF Vcc(5V) 100µF 10µF + 19 n.c n.c n.c n.c 18 17 16 15 14 13 8 9 10 11 12 KA2195D 2 1 3 4 5 30PF 0.1µF 0.1µF 0.1µF 6 7 3.58MHz X-tal 10µF + + + 10µF 50PF 470µF AUDIO OUT 75Ω 15KΩ C. SYNC OUT R IN G IN B IN AUDIO IN C.SYNC IN 0.1µF 6 400 ~ 1000mVp-p KA2195D 5 N.C fsc in 3.579545MHz