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| KA2198BD RGB ENCODER FOR PAL/NTSC RGB ENCODER FOR PAL/NTSC 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. 24-SOP-300 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 -20C~+65C 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 21 20 19 18 Y/C MIXER 17 16 Y OUT 15 C OUT 14 13 Vref R ,G ,B O U T P U T VIDEO OUTPUT D.L BPF SYNC. ADDER MATRIX R-Y MODULATOR C A M P B-Y MODULATOR PHASE CONTROL R,G,B CLAMP A U D IO B U F F E R SYNC. IN 1 2 3 4 5 6 7 8 9 10 11 12 KA2198BD PIN CONFIGURATION Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 (note) DESCRIPTION GND1 R INPUT G INPUT B INPUT N.C fsc INPUT NTSC/PAL SW AUDIO IN AUDIO OUT COMPOSITE SYNC. IN N.C VCC1 RGB ENCODER FOR PAL/NTSC Pin No. 13 14 15 16 17 18 19 20 21 22 23 24 DESCRIPTION N.C 2V REGULATOR C.OUT Y OUT Y-TRAP FILTER N.C VCC2 COMPOSITE VIDEO OUTPUT B OUTPUT G OUTPUT R OUTPUT GND2 VCC1, GND1 : except output stage VCC2, GND2 : output stage supply voltage ABSOLUTE MAXIMUM RATINGS (TA=25C) Characteristics MAX Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCCMAX PD TOPR TSTG Value 10 1250 -20~+70 -55~+150 Unit V mW C C ELECTRICAL CHARACTERISTICS (TA=25C,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 ICC1 ICC2 VOR VOG VOB RFC GFC BFC YFCN VYR1 VYG1 VYB1 Test Conditions No signal input R,G,B input signals Vin=1.0 VP-P, f=200KHz R,G,B input signals Vin=1.0 VP-P, f=200KHz (-3dB point) Y OUT (-3dB point) R,G,B input signals Vin=1.0 VP-P (100% R,G,B / 100% Y) Min 25 5.0 0.64 0.64 0.64 5.0 5.0 5.0 6.0 0.19 0.38 0.07 Typ 39 11 0.71 0.71 0.71 0.21 0.42 0.08 Max 49 16 0.78 0.78 0.78 0.25 0.48 0.09 Unit mA mA VP-P VP-P VP-P MHz MHz MHz MHz - KA2198BD RGB ENCODER FOR PAL/NTSC Characteristics 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 Symbol 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 Min 0.64 0.26 0.19 0.38 0.07 0.64 0.26 -1.0 30 2.70 2.55 1.90 0.20 2.70 2.55 1.90 0.20 94 231 337 2.5 0.45 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 Typ 0.71 0.29 0.21 0.42 0.08 0.71 0.29 1.0 3.15 2.95 2.24 0.29 3.15 2.95 2.24 0.29 104 241 347 2.75 0.5 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 - Max 0.82 0.33 0.25 0.48 0.09 0.82 0.33 1.1 1.0 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 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 - Unit VP-P VP-P VP-P VP-P dB KHz % VP-P VP-P deg deg deg usec usec VP-P VP-P VP-P deg deg deg usec usec deg deg MHz 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) KA2198BD TEST WAVEFORM < INPUT SIGNAL > RGB ENCODER FOR PAL/NTSC < OUTPUT SIGNAL > 4V SYNC. INPUT ( PIN 10) 0V R IN (PIN 2) CVBS OUT (PIN 20) 1 Vp-p C OUT (PIN15) 1 Vp-p G IN (PIN 3) B IN (PIN 4) 1 Vp-p Y OUT (PIN16) 1kHz AUDIO IN (PIN 8) 1 Vp-p AUDIO OUT (PIN 9) 1kHz 1 Vp-p 3.58 MHz(NTSC), 4.43MHz(PAL) fsc IN (PIN 6) 0.3 ~ 5.7 Vp-p KA2198BD APPLICATION CIRCUIT R OUT G B OUT OUT CVBS OUT RGB ENCODER FOR PAL/NTSC Y OUT C OUT i 0.01 F + 75 O 75 O 75 O 75 O *L i i i 470 F 470 F 470 F 470 F i 470 F 470 i i F Vcc (5V) 100 i F 75 O 75 O 10 i F + 24 23 + 22 + 21 + n.c *C + 16 + 15 + n.c 20 19 18 17 14 13 KA2198BD 1 2 3 4 5 n.c 6 7 8 9 10 11 n.c 12 Vcc (NTSC) GND (PAL) i i 0.1 F 0.1 F 0.1 F i AUDIO OUT 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 i F + 75 O 75 O 75 O 75 O F *100 i F F F 470 i 470 i 470 i 470 i F 470 i 470 i F F Vcc (5V) 100 i F 75 O 75 O 10 i F + 24 23 + 22 + 21 + 20 19 *20PF n.c + 16 + 15 + n.c 18 17 14 13 KA2198BD 1 2 3 4 5 n.c 6 7 8 9 10 11 n.c 12 Vcc (NTSC) GND (PAL) AUDIO OUT + 10 i F F 0.1 i 0.1 i 0.1 i F F + 10 i F * 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) |
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