KA2198BD RGB ENCODER FOR PAL/NTSC RGB ENCODER FOR PAL/NTSC 24-SOP-300 The KA2198BD is a monolithic circuit designed for RGB encoder of video system. This device provides encoding system of PAL and NTSC video signal. The KA2198BD contains matrix of R-Y/B-Y, modulator, pulse generator, regulator, built in BPF of chroma and delay line of luminance, Y/C output using S-VHS system. It is suitable for video equipment. FUNCTIONS • Regulator • Mixer of R-Y, B-Y • Modulator • Pulse generator (ECL circuit) • Audio buffer • Clamp circuit • Y-TRAP filter • BPF & D.L circuit • Y/C output driver ORDERING INFORMATION Device Package Operating Temperature KA2198BD 24-SOP-300 -20°C~+65°C FEATURES • Lower operating voltage : VCC = 5V • Stabilized bias condition in regulator • Abailable PAL/NTSC system • Included 75 ohm driver ( RGB output, composite video output, Y/C output) • External fsc ( color sub-carrier) • Include BPF & delay line • Audio buffer circuit • R-Y, B-Y modulator • Available S-VHS • High frequency response of luminance BLOCK DIAGRAM 24 22 22 R , G , B O U 21 T P U 20 19 17 16 15 Y OUT Y/C MIXER VIDEO OUTPUT T 18 14 C OUT 13 Vref D.L BPF SYNC. ADDER MATRIX R-Y MODULATOR C A M P B-Y MODULATOR PHASE CONTROL R,G,B CLAMP 1 2 3 4 5 6 7 8 A U D B U F I O F E R 9 SYNC. IN 10 11 12 KA2198BD RGB ENCODER FOR PAL/NTSC PIN CONFIGURATION Pin No. DESCRIPTION Pin No. DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 GND1 R INPUT G INPUT B INPUT N.C fsc INPUT NTSC/PAL SW AUDIO IN AUDIO OUT COMPOSITE SYNC. IN N.C VCC1 13 14 15 16 17 18 19 20 21 22 23 24 N.C 2V REGULATOR C.OUT Y OUT Y-TRAP FILTER N.C VCC2 COMPOSITE VIDEO OUTPUT B OUTPUT G OUTPUT R OUTPUT GND2 (note) VCC1, GND1 : except output stage VCC2, GND2 : output stage supply voltage ABSOLUTE MAXIMUM RATINGS (TA=25°C) Characteristics Symbol Value Unit MAX Supply Voltage Power Dissipation Operating Temperature Storage Temperature VCCMAX PD TOPR TSTG 10 1250 -20~+70 -55~+150 V mW °C °C ELECTRICAL CHARACTERISTICS (TA=25°C,VCC=5V) Characteristics Supply Current 1 Supply Current 2 R Output Voltage G Output Voltage B Output Voltage R Frequency Response G Frequency Response B Frequency Response Y Frequency Response R 100% Y Level Ratio(CVBS) G 100% Y Level Ratio(CVBS) B 100% Y Level Ratio(CVBS) Symbol Test Conditions Min Typ Max Unit ICC1 ICC2 VOR VOG VOB RFC GFC BFC YFCN VYR1 No signal input R,G,B input signals Vin=1.0 VP-P, f=200KHz (-3dB point) Y OUT (-3dB point) R,G,B input signals 25 5.0 0.64 0.64 0.64 5.0 5.0 5.0 6.0 0.19 39 11 0.71 0.71 0.71 0.21 49 16 0.78 0.78 0.78 0.25 mA mA VP-P VP-P VP-P MHz MHz MHz MHz - VYG1 Vin=1.0 VP-P 0.38 0.42 0.48 - VYB1 (100% R,G,B / 100% Y) 0.07 0.08 0.09 - R,G,B input signals Vin=1.0 VP-P, f=200KHz KA2198BD RGB ENCODER FOR PAL/NTSC Characteristics Symbol 100% Y Level ( CVBS ) Sync. Level 1 ( CVBS ) R 100% Y Level Ratio (Y OUT) G 100% Y Level Ratio (Y OUT) B 100% Y Level Ratio (Y OUT) 100% Y Level (Y OUT) Sync. Level 1 (Y OUT) Audio Buffer Gain Audio Frequency Response Audio Distortion NTSC mode R Chroma Ratio 1 (CVBS) G Chroma Ratio 1 (CVBS) B Chroma Ratio 1 (CVBS) Burst level 1 (CVBS) R Chroma Ratio 2 (C OUT) G Chroma Ratio 2 (C OUT) B Chroma Ratio 2 (C OUT) Burst level 2 (C OUT) R Phase (CVBS) G Phase (CVBS) B Phase (CVBS) Burst Width Burst Position Carrier Leakage PAL mode R Chroma Ratio 3 (CVBS) G Chroma Ratio 3 (CVBS) B Chroma Ratio 3 (CVBS) Burst level 3 (CVBS) R Chroma Ratio 4 (C OUT) G Chroma Ratio 4 (C OUT) B Chroma Ratio 4 (C OUT) Burst level 4 (CVBS) R Phase (CVBS) G Phase (CVBS) B Phase (CVBS) Burst Width Burst Position PAL Burst Phase 1 PAL Burst Phase 2 Y Frequency Response VYW1 VSNC1 VYR2 VYG2 VYB2 VYW2 VSNC2 Ga Fa THD R/B1 G/B1 B/B1 Vob1 R/B2 G/B2 B/B2 Vob2 SRN SGN SBN TWN TPN CL R/B3 G/B3 B/B3 Vob3 R/B4 G/B4 B/B4 Vob4 SRP SGP SBP TWP TPP P1 P2 YFCP Test Conditions R,G,B input signal Vin=1.0VP-P (100% R,G,B / 100% Y) Audio Input 100KHz, 1VP-P fsc input 3.58MHz, 400mVP-P ( check CVBS out ) fsc input 3.58MHz, 400mVP-P ( check C out ) fsc input 3.58MHz, 400mVP-P ( check CVBS out ) CVBS out, Y out fsc input 3.58MHz, 400mVP-P ( check CVBS out ) fsc input 3.58MHz, 400mVP-P ( check C out ) fsc input 3.58MHz, 400mVP-P ( check CVBS out ) CVBS out, Y out Y output (-3dB point) Min Typ Max Unit 0.64 0.26 0.19 0.38 0.07 0.64 0.26 -1.0 30 - 0.71 0.29 0.21 0.42 0.08 0.71 0.29 1.0 - 0.82 0.33 0.25 0.48 0.09 0.82 0.33 1.1 1.0 VP-P VP-P VP-P VP-P dB KHz % 2.70 2.55 1.90 0.20 2.70 2.55 1.90 0.20 94 231 337 2.5 0.45 - 3.15 2.95 2.24 0.29 3.15 2.95 2.24 0.29 104 241 347 2.75 0.5 - 3.50 3.25 2.47 0.34 3.50 3.25 2.47 0.34 114 251 357 3.6 0.75 0.03 - 2.70 2.55 1.90 0.20 2.80 2.65 2.01 0.20 94 231 337 2.0 0.35 125 215 6.0 3.15 2.95 2.24 0.29 3.15 2.95 2.24 0.29 104 241 347 2.25 0.45 135 225 - 3.50 3.25 2.47 0.34 3.50 3.25 2.47 0.34 114 251 357 2.5 0.55 145 235 - VP-P VP-P deg deg deg usec usec VP-P VP-P VP-P deg deg deg usec usec deg deg MHz KA2198BD RGB ENCODER FOR PAL/NTSC TEST WAVEFORM < OUTPUT SIGNAL > < INPUT SIGNAL > 4V CVBS OUT (PIN 20) SYNC. INPUT ( PIN 10) 0V R IN (PIN 2) 1 Vp-p C OUT (PIN15) G IN (PIN 3) 1 Vp-p B IN (PIN 4) 1 Vp-p Y OUT (PIN16) 1kHz 1kHz AUDIO IN (PIN 8) 1 Vp-p AUDIO OUT (PIN 9) 3.58 MHz(NTSC), 4.43MHz(PAL) fsc IN (PIN 6) 0.3 ~ 5.7 Vp-p 1 Vp-p KA2198BD RGB ENCODER FOR PAL/NTSC APPLICATION CIRCUIT R OUT G B OUT OUT CVBS OUT Y OUT C OUT ì 0.01¥ F + Vcc (5V) 100¥ ìF 75¥ Ø 75¥ Ø 75¥ Ø 75¥ Ø 75¥ Ø 75¥ Ø *L ì 470¥ F ì ì 470¥ F 470¥ F ì 470¥ F + + + + 23 22 21 20 470¥ F ì 470¥ ìF + *C 10¥ ìF + + 14 13 11 12 n.c 24 19 n.c 18 17 16 15 8 9 10 KA2198BD 1 2 3 4 5 6 7 n.c n.c Vcc (NTSC) GND (PAL) AUDIO OUT ì 0.1¥ F ì 0.1¥ F ì 0.1¥ F R IN G IN B IN fsc in AUDIO IN C.SYNC IN 0.3 ~5.7Vpp 3.58MHz(NTSC), 4.43 MHz(PAL) SYSTEM NTST PAL Fo(MHz) 3.57 4.43 HL(uH) 100 82 HC(pF) 20 15 KA2198BD RGB ENCODER FOR PAL/NTSC R OUT G OUT B OUT CVBS OUT Y OUT C OUT 0.01¥ ìF + Vcc (5V) 100¥ ìF 75¥ Ø 75¥ Ø 75¥ Ø 75¥ Ø 75¥ Ø 75¥ Ø *100¥ ìF 470¥ ìF 470¥ ìF 470¥ ìF 470¥ ìF 24 + + + + 23 22 21 20 470¥ ìF 470¥ ìF *20PF n.c 19 18 10¥ ì F + + 16 15 14 13 9 10 11 12 + n.c 17 KA2198BD 1 2 3 4 5 6 8 7 n.c n.c + 10¥ ìF Vcc (NTSC) GND (PAL) + AUDIO OUT 10¥ ìF 0.1¥ ìF 0.1¥ ìF 0.1¥ ìF * Only for Game Machine R IN G IN B IN fsc in AUDIO IN C.SYNC IN 200 ~4000mVp-p 3.58MHz(NTSC), 4.43 MHz(PAL)