Ver1.0 1 A1 PROs A1 PROs Ai1002 Vertical Clock Driver for Camera System GENERAL DESCRIPTION 20-pin SSOP The Ai1002 is a vertical driver for CCD image sensors. This IC is the successor of the Ai1001S with better features. 3.3V and 5V clock interface is acceptable while Ai1001S can accept only 5V clock interface. #1 FEATURES • • • Only two power supplies are ( +15V and -8.5V) needed. 3.3V and 5V clock interface is acceptable. 20-pin SSOP package APPLICATIONS CCD Cameras PROCESS High Voltage CMOS BLOCK DIAGRAM GND 1 20 VP1 (+15V) XSUB 2 19 VSUB XV2 3 18 VSS (−8.5V) XV1 4 17 VΦ2 XSG1 5 16 VΦ1 XV3 6 15 VP0 (0V) XSG2 7 14 VΦ3 XV4 8 13 VΦ4 VCP 9 12 VP1(+15V) DCIN 10 11 DCOUT + - 1 Ai1002 PIN DESCRIPTION Pin Symbol I/O Description 1 GND - Ground Control 2 XSUB I Output Control (VSUB) 3 XV2 I Output Control (VΦ2) 4 XV1 I Output Control (VΦ1) 5 XSG1 I Output Control (VΦ1) 6 XV3 I Output Control (VΦ3) 7 XSG2 I Output Control (VΦ3) 8 XV4 I Output Control (VΦ4) 9 VCP I Power of Amp 10 DCIN I OP-Amp Input (internal pull-down resistor) 11 DCOUT O OP-Amp Output 12 VP1 - Power (15V) 13 VΦ4 O High Voltage Output (2 level : VP0, VSS) 14 VΦ3 O High Voltage Output (3 level : VP0, VSS, VP1) 15 VP0 - Power (0V) 16 VΦ1 O High Voltage Output (3 level : VP0, VSS, VP1) 17 VΦ2 O High Voltage Output (2 level : VP0, VSS) 18 VSS - Power (− 8.5V) 19 VSUB O High Voltage Output (2 level : VSS, VP1) 20 VP1 - Power (15V) 2 Ai1002 ABSOLUTE MAXIMUM RATINGS ( Ta = 25°C ) Characteristics Symbol Value VSS 0 ~ −10 VP1 −0.3 ~ VSS + 35 VP0 VSS − 0.3 ~ 3.0 VI − 0.3 ~ VP1 + 0.3 VCP − 0.3 ~ VSS + 35 Output Voltage VΦ1, VΦ2, VΦ3, VΦ4, VSUB VSS − 0.3 ~ VP1 + 0.3 OP-Amp Output Current IOUT ±5 Operating Temperature TOPR − 25 ~ + 85 Storage Temperature TSTG − 45 ~ + 120 Supply Voltage Unit V Input Voltage mA °C LOGIC FUNCTION TABLE INPUT OUTPUT XV1,3 XSG1,2 XV2,4 XSUB VΦ1,3 VΦ2,4 VSUB L L X X VP1 X X H L X X Z X X L H X X VP0 X X H H X X VSS X X X X L X X VP0 X X X H X X VSS X X X X L X X VP1 X X X H X X VSS X : Don’t care Z : High impedance 3 Ai1002 AC CHARACTERISTICS ( VP1 = 15V, VP0 = GND, VSS = -8.5V ; Ta = 25°C ) Description Symbol Test Condition Min Typ Max TPLM No Load (*1) 10 40 70 TPMH No Load(*1) 10 30 70 TPLH No Load(*1) 10 40 100 TPML No Load(*1) 10 100 200 TPHM No Load(*1) 10 100 180 TPHL No Load(*1) 10 60 100 TTLM VSS → VP0 (*1) 400 700 930 TTMH VP0 → VP1 (*1) 400 650 930 TTLH VSS → VP1 (*1) 10 50 100 TTML VP0 → VSS (*1) 200 300 500 TTHM VP1 → VP0 (*1) 400 600 820 TTHL VP1 → VP0 (*1) 10 50 100 VCLH, VCLL VCMH, VCML (*2) - - 0.5 Unit Delay Time ns Rising Time Output Noise Voltage (*1) Refer the timing diagram of page 5. (*2) Refer the noise diagram of page 5. 4 V Ai1002 DC CHARACTERISTICS ( VP1 = 15V, VP0 = GND, VSS = -8.5V, VCP = 22V ; Ta = 25°C ) Description Symbol Test Condition Min Typ Max VP1 14.5 15 15.5 VSS − 9.5 − 8.5 − 7.5 VP1 22 23.5 Unit Supply Voltage Input Voltage VCP When VCP is used V High Level Input Voltage VIH (*3) 2.3 - - Low Level Input Voltage VIL (*3) - - 1.2 − 1.0 0.0 1.0 80 100 140 II VIN = 0 ~ 5V (*3) μA Input Current IDCIN Operation Current VDCIN = 1.0V IP1 (*1) - 2.0 3.5 IP0 (*1) - 4.5 5.0 ISS (*1) − 8.5 − 6.5 - IOL VΦ1~4 = − 8.0V 25 37 - IOM1 VΦ1~4 = − 0.5V - − 15 − 10 IOM2 VΦ1,3 = 0.5V 9 13.5 - IOH VΦ1,3 = 14.5V - − 18 − 12 IOSL VSUB = − 8.0V 12 18 - IOSH VSUB = 14.5V - − 10.5 −7 X 4.0 X 4.2 X 4.7 mA Output Current IOUT = − 200μA Op-Amp Gain G Gain Variation ΔG Ta = − 20 ~ 75°C (*2), IOUT = − 200mA VDCIN = 1.0 ~ 4.5V −3 - +3 % Operation Current IVCP VDCIN = 1.0 ~ 4.5V IOUT = 0mA 0.08 - 1.0 mA (*1) : Refer the test circuit of page 7. Shutter speed : 1/100000 sec. (*2) : Refer the characteristics of OP-AMP of page 7. (*3) : XV1 ~ 4, XSG1, XSG2, XSUB pin 5 Ai1002 TIMING DIAGRAM 5V XV1 ~ 4 XSG1, 2 50% 50% GND 5V 50% 50% TPHM GND TTHM TPMH 90% TTLM TPLM VΦ1,3 TTML TTMH VP1 VP0 TPML 10% 10% 90% 90% 10% VSS 10% TTHL TPHL TTLM TPLM VP0 90% 90% VΦ2,4 10% VSS 10% 5V 50% XSUB 50% GND TTHL TPLH VP1 TPHL TTLH VSUB 90% 90% 10% 10% VSS NOISE DIAGRAM VCMH VCML VM VCLH VCLL VL 6 Ai1002 R1 TEST CIRCUIT R1 C1 R1 : 27Ω R2 : 5Ω C1 : 1500pF C2 : 3300pF R2 C2 C2 C1 C2 C2 C1 500pF R1 R1 C1 VP1(15V) VP1(15V) VSS(− 8.5V) 0V 20 19 18 17 16 15 14 13 12 11 7 8 9 10 Ai1002 1 2 3 4 5 6 VCP(22V) Timing Generator OP-AMP GAIN CHARACTERISTICS (Ta = − 20 ~ 75°C) IOUT = 0μA 25.0 (V) OUTPUT VOLTAGE (2.5 / div) INPUT VOLTAGE (0.5 / div) 7 5.0 (V) Ai1002 APPLICATION CIRCUIT 0.1μF/35V + + VP1 (15V) 0.1μF /35V VSS (− 8.5V) T I M I N G XSUB G E N E R A T O R 2 XV2 3 XV1 1 GND VP1 20 2 XSUB VSUB 19 3 XV2 A VΦ2 17 VΦ2 VΦ1 16 VΦ1 VP0 15 VΦ3 14 VΦ3 VΦ4 XV1 XSG1 5 5 XSG1 XV3 6 6 XV3 XSG2 7 7 XSG2 XV4 8 8 XV4 VΦ4 13 9 VCP VP1 12 10 DCIN DCOUT 11 VDD (5V) VSUB 1μF 18 4 1 0 0 2 0.1μF /35V VSS 4 i + C C D 47KΩ 0.1μF 100KΩ 1MΩ 0.1μF * In case of DCOUT ≤ VP1 − 1.0V, VCP PIN connects with VP1. * Warning : When voltage is biased, You must keep this flow. If you don’t keep this flow, Negative voltage is applied to CCD image sensor’s SUB. 15V (VP1) t1 20% 0V (VP0 ) 20% − 8.5V (VSS ) t2 * t1 ≥ t2 ≥ 10ms 8 Ai1002 PACKAGE DIMENSION 20-pin SSOP Unit : mm 6.50±0.13 0.127 4° ± 3 ° #20 0.537±0.05 4°± 3° #11 0 .2 .2 R0 0.254 1.45 MAX 1.20±0.05 1.20 R0 0 #10 #1 1.00 12°± 2° 3.20 Φ 1.00ⅹ(0.02 ~ 0.10) 0.635 +0.20 -0.12 4.40 +0.08 -0.10 6.40±0.10 1.20 0.325 0.10 +0.10 -0.05 0.10 MAX * Planarity between each form lead tip is 0.10 max 0.22 0.65 9