The KA2198D is a monolithic circuit designed for encoder of video system. This device provides encoding system of PAL and NTSC video signal. The KA2198D contains matrix of -Y/-Y, modulator, pulse generator, regulator, built in PF of chroma and delay line of luminance, Y/C output using S-VHS system. It is suitable for video equipment. 24-SOP-300 FUNCTIONS egulator Mixer of -Y, -Y Modulator Pulse generator (ECL circuit) Audio buffer Clamp circuit Y-TAP filter PF & D.L circuit Y/C output driver ODE FOMATION Device Package Operating Temperature KA2198D 24-SOP-300-20 C~65 C FEATUES Lower operating voltage : V CC = 5V Stabilized bias condition in regulator Abailable PAL/NTSC system Included 75 ohm driver ( output, composite video output, Y/C output) External fsc ( color sub-carrier) Include PF & delay line Audio buffer circuit -Y, -Y modulator Available S-VHS High frequency response of luminance LOCK DIAAM 24 22 22 21 20 19 18 17 16 15 14 13,, O U T P U T VIDEO PUT Y/C MIXE Y C Vref D.L MATIX SYNC. ADDE -Y MODULATO PF -Y MODULATO C A M P,, CLAMP PHASE CONTOL A U D I O U F F E SYNC. 1 2 3 4 5 6 7 8 9 10 11 12
P CONFIUATION Pin No. DESCIPTION Pin No. DESCIPTION 1 ND1 13 N.C 2 PUT 14 2V EULATO 3 PUT 15 C. 4 PUT 16 Y 5 N.C 17 Y-TAP FILTE 6 fsc PUT 18 N.C 7 NTSC/PAL SW 19 VCC2 8 20 COMPOSITE VIDEO PUT 9 21 PUT 10 COMPOSITE SYNC. 22 PUT 11 N.C 23 PUT 12 VCC1 24 ND2 (note) V CC 1, ND1 : except output stage V CC 2, ND2 : output stage supply voltage ASOLUTE MAXIMUM ATS (T A =25 C) Characteristics Symbol Value Unit MAX Supply Voltage V CCMAX 10 V Power Dissipation P D 1250 mw Operating Temperature T OP -20~70 C Storage Temperature T ST -55~150 C ELECTICAL CHAACTEISTICS (T A =25 C,V CC =5V) Characteristics Symbol Test Conditions Min Typ Max Unit Supply Current 1 I CC 1 No signal input 25 39 49 ma Supply Current 2 I CC 2 5.0 11 16 ma Output Voltage V O,, input signals 0.64 0.71 0.78 V P-P Output Voltage V O Vin=1.0 V P-P, f=200khz 0.64 0.71 0.78 V P-P Output Voltage V O 0.64 0.71 0.78 V P-P Frequency esponse FC,, input signals 5.0 - - MHz Frequency esponse FC Vin=1.0 V P-P, f=200khz 5.0 - - MHz Frequency esponse FC (-3d point) 5.0 - - MHz Y Frequency esponse Y FCN Y (-3d point) 6.0 - - MHz 100% Y Level V Y 1,, input signals 0.19 0.21 0.25 - atio(cvs) 100% Y Level V Y 1 Vin=1.0 V P-P 0.38 0.42 0.48 - atio(cvs) 100% Y Level atio(cvs) V Y 1 (100%,, / 100% Y) 0.07 0.08 0.09 -
Characteristics Symbol Test Conditions Min Typ Max Unit 100% Y Level ( CVS ) V YW1 0.64 0.71 0.82 V P-P Sync. Level 1 ( CVS ) V SNC1 0.26 0.29 0.33 V P-P 100% Y Level atio (Y ) V Y2,, input signal 0.19 0.21 0.25-100% Y Level atio (Y ) V Y2 Vin=1.0V P-P 0.38 0.42 0.48-100% Y Level atio (Y ) V Y2 (100%,, / 100% Y) 0.07 0.08 0.09-100% Y Level (Y ) V YW2 0.64 0.71 0.82 V P-P Sync. Level 1 (Y ) V SNC2 0.26 0.29 0.33 V P-P Audio uffer ain a Audio Input -1.0 1.0 1.1 d Audio Frequency esponse Fa 100KHz, 1V P-P 30 - - KHz Audio Distortion THD - - 1.0 % NTSC mode Chroma atio 1 (CVS) /1 2.70 3.15 3.50 - Chroma atio 1 (CVS) /1 fsc input 3.58MHz, 400mV P-P 2.55 2.95 3.25 - Chroma atio 1 (CVS) /1 ( check CVS out ) 1.90 2.24 2.47 - urst level 1 (CVS) Vob1 0.20 0.29 0.34 V P-P Chroma atio 2 (C ) /2 2.70 3.15 3.50 - Chroma atio 2 (C ) /2 fsc input 3.58MHz, 400mV P-P 2.55 2.95 3.25 - Chroma atio 2 (C ) /2 ( check C out ) 1.90 2.24 2.47 - urst level 2 (C ) Vob2 0.20 0.29 0.34 V P-P Phase (CVS) S N 94 104 114 deg Phase (CVS) S N fsc input 3.58MHz, 400mV P-P 231 241 251 deg Phase (CVS) S N ( check CVS out ) 337 347 357 deg urst Width T WN 2.5 2.75 3.6 usec urst Position T PN 0.45 0.5 0.75 usec Carrier Leakage CL CVS out, Y out - - 0.03 V P-P PAL mode Chroma atio 3 (CVS) /3 2.70 3.15 3.50 - Chroma atio 3 (CVS) /3 fsc input 3.58MHz, 400mV P-P 2.55 2.95 3.25 - Chroma atio 3 (CVS) /3 ( check CVS out ) 1.90 2.24 2.47 - urst level 3 (CVS) Vob3 0.20 0.29 0.34 V P-P Chroma atio 4 (C ) /4 2.80 3.15 3.50 - Chroma atio 4 (C ) /4 fsc input 3.58MHz, 400mV P-P 2.65 2.95 3.25 - Chroma atio 4 (C ) /4 ( check C out ) 2.01 2.24 2.47 - urst level 4 (CVS) Vob4 0.20 0.29 0.34 V P-P Phase (CVS) S P 94 104 114 deg Phase (CVS) S P fsc input 3.58MHz, 400mV P-P 231 241 251 deg Phase (CVS) S P ( check CVS out ) 337 347 357 deg urst Width T WP 2.0 2.25 2.5 usec urst Position T PP 0.35 0.45 0.55 usec PAL urst Phase 1 P1 CVS out, Y out 125 135 145 deg PAL urst Phase 2 P2 215 225 235 deg Y Frequency esponse Y FCP Y output (-3d point) 6.0 - - MHz
TEST WAVEFOM < PUT SINAL > < PUT SINAL > SYNC. PUT ( P 10) 4 V 0 V CVS (P 20) (P 2) (P 3) C (P15) (P 4) Y (P16) (P 8) 1kHz (P 9) 1kHz fsc (P 6) 3.58 MHz(NTSC), 4.43MHz(PAL) 0.3 ~ 5.7 Vp-p
APPLICATION CICUIT CVS Y C 75 Ø 75 Ø 75 Ø 75 Ø *L 75 Ø 75 Ø 0.01 ìf Vcc (5V) 100 ìf 24 470 ìf 470 ìf 470 ìf 470 ìf 470 ìf 470 ìf 10 ìf *C 23 22 21 20 19 18 17 16 15 14 13 KA2198D 1 2 3 4 5 6 7 8 9 10 11 12 0.1 ìf 0.1 ìf 0.1 ìf Vcc (NTSC) ND (PAL) fsc in C.SYNC 0.3 ~5.7Vpp 3.58MHz(NTSC), 4.43 MHz(PAL) SYSTEM Fo(MHz) L(uH) C(pF) NTST 3.57 100 20 PAL 4.43 82 15
CVS Y C 75 Ø 75 Ø 75 Ø 75 Ø 75 Ø 75 Ø 0.01 ìf Vcc (5V) 100 ìf *100 ìf 24 470 ìf 470 ìf 470 ìf 470 ìf 470 ìf 470 ìf 10 ìf *20PF 23 22 21 20 19 18 17 16 15 14 13 KA2198D 1 2 3 4 5 6 7 8 9 10 11 12 0.1 ìf 0.1 ìf 0.1 ìf 10 ìf 10 ìf Vcc (NTSC) ND (PAL) * Only for ame Machine fsc in C.SYNC 200 ~4000mVp-p 3.58MHz(NTSC), 4.43 MHz(PAL)