AD725 NTSC/PAL HSYNC VSYNC 4FSC CLOCK XNOR CSYNC 4FSC CSYNC BURST NTSC/PAL 4FSC FSC 90 C FSC 0 C CSYNC FSC 90 C/270 C CLOCK AT 8FSC RED DC CLAMP Y X2 GREEN BLUE DC CLAMP DC CLAMP U V NTSC/PAL X2 X2
STND AGND 4FSC APOS CE RIN GIN BIN 1 2 1 15 HSYNC VSYNC 3 4 AD725 14 13 DPOS DGND 5 12 YTRAP 7 11 10 LUMA COMP 8 9 CRMA WARNING! ESD SENSITIVE DEVICE
APOS DPOS DPOS DPOS APOS DPOS 1kΩ 12 1 9 3 5 15 DGND 7 8 DGND AGND DGND 10 11 AGND DGND 1 V CLAMP
AD725 RGB 3 GENLOCK FSC HP3314A 4 PLL +5V 4FSC 1.0 APL = 50.8% µ 100 1.0 APL = 50.% µ 50 IRE 0 50 0 10 20 30 40 50 0 µ s 0 10 20 30 40 50 0 µ s
1.0 APL = 4.% µ 100 1.0 APL = 33.5% µ 50 IRE 0 50 0 10 20 30 40 50 0 µ s 0 10 20 30 40 50 0 µ s 200mV 1µ s 200mV 1µ s
1.0 APL = 48.2% µ 100 1.0 APL = 48.2% µ 100 MHz 1MHz 2MHz 3MHz 4MHz 5MHz 50 0 IRE 1MHz 2MHz 3MHz 4MHz 5MHz MHz 50 0 IRE 50 50 0 10 20 30 40 50 0 µ s 0 10 20 30 40 50 0 µ s 4.80µ s 5.57µ s 9.35µ s 9.0 CYCLES 4.90µ s 5.7µ s 2.29µ s 85ns 89ns 38.0 IRE 3.1 IRE 70ns 89ns 287.7mV 273.4mV DG DP (NTSC) Wfm > MOD 5 STEP MIN = 5 MAX = 0.39 pk pk/max = 0.44 0 7 5 0.20 0.22 0.39 0.4 0.3 0.2 0.1 0.1 0.2 MIN = 0.33 MAX = 1.17 pk pk = 1.50 2.0 0 0.33 0.10 0.70 1.05 1.17 1.5 1.0 1.0 1ST 2ND 3RD 4TH 5TH TH DG DP (PAL) Wfm > MOD 5 STEP MIN = MAX = 0.43 pk pk = 0.49 0 0.15 0.23 0.43 0.38 0.4 0.3 0.2 0.1 0.1 0.2 MIN = 0.44 MAX = 1.34 pk pk = 1.79 2.0 0 0.44 2 0.70 1.17 1.34 1.5 1.0 1.0 1ST 2ND 3RD 4TH 5TH TH
AD725 4FSC NTSC/PAL HSYNC VSYNC BURST NTSC/PAL FSC 90 C FSC 0 C 4FSC FSC 90 C/270 C CSYNC CSYNC RED GREEN BLUE CSYNC Y U V NTSC/PAL X2 X2 X2 4FSC CLOCK DC CLAMP DC CLAMP DC CLAMP XNOR +5V +5V AGND DGND
t SW t SM t SB t MW tsr trw t SD t DW LUMA t SS t BY t BC CRMA t SC
+5V +5V POWER DOWN 10µ F 0.1µ F 0.1µ F 0.1µ F 0.1µ F 5 7 8 CE RIN GIN BIN 4 APOS AD725 14 DPOS CMPS 10 0.1µ F 10µ F 220µ F NTSC/ PAL +5V (V AA ) 4FSC CLOCK 14.318180MHz (NTSC) OR 17.734475MHz (PAL) 0.1µ F 47kΩ 1N4148 +5V 9pF 0.1µ F 18pF OSC 8µ H 1 HSYNC 15 VSYNC 4FSC STND YTRAP AGND 2 LUMA 11 CRMA 9 DGND 13 220µ F 220µ F C Y S-VIDEO (Y/C VIDEO) 1/3 AD8073 1kΩ 1kΩ 1kΩ 1kΩ 1/3 AD8073 B G VSYNC HSYNC 1/3 AD8073 R 1kΩ 1kΩ 5V 0.1µ F
AD725 R1 1MΩ Y1 U1A U1B R2 200Ω C2 0pF C1 47pF C3 ~15pF (OPT) HC04 HC04
1 1 2 2 3 3 4 = 4 + 5 5 7 7 1 2 3 4 5 7 1 3 = + 5 7 1 1 2 2 3 3 4 = + 4 5 5 7 7 2 4
14.318180MHz 17.734475MHz NTSC/ PAL A B A/ B 4FSC LUMA STND 47kΩ D1 1N4148 AD725 1.0kΩ C2 9pF YTRAP L 8µ H C1 18pF CRMA COMP LUMA 220µ F 220µ F 220µ F
1.0 100 50 0 50 0 10 20 30 40 50 0 µ s IRE CSYNC NTSC/PAL 47kΩ 1N4148 OUT 1V IN 9pF + +5V +5V OSC 10kΩ 10µ F 8µ H 18pF 7 GIN 8 REF SOURCE MEASURE RIN BIN 0.1µ F 15 VSYNC 1 HSYNC 4FSC STND YTRAP +5V +5V 4 APOS AGND 2 14 DPOS AD725 DGND 13 COMP CRMA ENCD + 0.1µ F 10µ F 9 5 SOURCE BIAS LUMA 11 NC 1V 220µ F + NC +5V
3 0 3 9 12 15 18 21 24 0.1 1.0 1 HSYNC VSYNC CSYNC
0.4133 (10) 0.3977 (10) 1 9 1 8 0.2992 (7.0) 0.2914 (7.40) 0.4193 (1) 0.3937 (10) 118 (0.30) 040 (0.10) 0.1043 (2.5) 92 (2.35) 291 (0.74) 098 (0.25) x 45 500 (1.27) BSC 192 (0.49) 138 (0.35) 8 500 (1.27) 0 125 (0.32) 157 (0.40) 091 (0.23)
AD725 PRINTED IN JAPAN D83-2.7-5/99,1A