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| (D t S e t:w wD t S e t Uc m) aa h e w . aa h e4 . o KS7221D GENERAL DESCRIPTION The KS7221D is a Vertical CCD Driver LSI which is fabricated by CMOS process for high voltage VERTICAL DRIVER FOR CCD 20-SSOP-225 FEATURES Include voltage source circuit for CCD image sensor. Input voltage : 5V / 3.3V Package : 20 SSOP ORDERING INFORMATION Device KS7221D Package 20-SSOP-225 Operating Temperature -20C ~ + 85C BLOCK DIAGRAM GND XSUB XV2 XV1 XSG1 XV3 XSG3 XV4 VCP DCIN 1 2 3 4 5 6 7 8 9 10 + - 20 19 18 17 16 15 14 13 12 11 VHH VSUB VEE V2 V1 VME V3 V4 VHH DCOUT www..com KS7221D PIN DESCRIPTION Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol GND Xsub XV2 XV1 XSG1 XV3 XSG3 XV4 VCP DCIN DCOUT VHH V4 V3 VME V1 V2 VEE Vsub VHH I/O I I I I I I I I I O O O O O O - VERTICAL DRIVER FOR CCD Description Ground control Output Control (Vsub) Output Control (V2) Output Control (V1) Output Control (V1) Output Control (V3) Output Control (V3) Output Control (V4) Power of amp OP-Amp input (internal pull-down resistor) OP-Amp output Power (15V) High Voltage Output (2 level :VME, VEE) High Voltage Output ( 3 level : VME, VEE, VHH) Power (0V) High Voltage Output (3 level : VME, VEE, VHH) High Voltage Output (2 level : VME, VEE) Power (-8.5V) High Voltage Output ( 2 level : VEE, VHH) Power (15V) ( Ta = 25C ) Value 0 ~ -10 -0.3 ~ VEE +35 VEE -0.3 ~ 3.0 -0.3 ~ VHH +0.3 -0.3 ~ VEE+35 VEE -0.3 ~ VHH +0.3 5 -25 ~ +85 -45 ~ +120 Remark ABSOLUTE MAXIMUM RATINGS Characteristics Supply Voltage Input Voltage Output Voltage OP-Amp output Current Operating Temperature Storage Temperature Symbol VEE VHH VME VI VCP V1, V2, V3, V4, Vsub IOUT T OPR T STG Unit V mA C LOGIC FUNCTION TABLE INPUT XV1,3 L H L H XSG1,3 L L H H XV2,4 L H XSUB L H V1, 3 VHH Z VME VEE OUTPUT V2, 4 VME VEE VSUB VHH VEE KS7221D AC CHARACTERISTICS ( VHH = 15V, VME = GND, VEE = - 8.5V ; Ta = 25C ) Description Symbol TPLM TPMH TPLH TPML TPHM TPHL TTLM TTMH TTLH TTML TTHM TTHL VCLH, VCLL VCMH, VCML VERTICAL DRIVER FOR CCD Test Condition NO LOAD (*1) NO LOAD (*1) NO LOAD (*1) NO LOAD (*1) NO LOAD (*1) NO LOAD (*1) VEE VME (*1) VME VHH (*1) VEE VHH (*1) VME VEE (*1) VHH VME (*1) VHH VME (*1) (*2) Min 10 10 10 10 10 10 400 400 10 200 400 10 - Typ 40 30 40 100 100 60 700 650 50 300 600 50 - Max 70 70 100 200 180 100 930 930 100 500 820 100 0.5 Unit DELAY TIME ns RISING TIME OUTPUT NOISE VOLTAGE (*1) REFER TIMING DIAGRAM (*2) REFER NOISE DIAGRAM V DC CHARACTERISTICS ( VHH = 15V, VME = GND, VEE = -8.5, VCP = 22V ; Ta = 25C ) Description Supply Voltage Input Voltage High level input voltage Low level input voltage Input Current Operation Current Symbol VHH VEE VCP VIH VIL II IDCIN IHH IME IEE IOL IOM1 IOM2 IOH IOSL IOSH G G Test Conditon Min 14.5 -9.5 VHH 2.3 -1.0 80 -8.5 25 9 12 x 4.0 -3 Typ 15 -8.5 22 0.0 100 2.0 4.5 -6.5 37 -15 13.5 -18 18 -10.5 x 4.2 Max 15.5 -7.5 23.5 1.2 1.0 140 3.5 5.0 -10 -12 -7 x 4.7 +3 Unit Output Current Op-Amp Gain Gain Variation Operation Current IVCP When VCP is used (*3) (*3) VIN = 0~5V (*3) VDCIN = 1.0V (*1) (*1) (*1) V1~4 = -8.0V V1~4 = -0.5V V1.3 = 0.5V V1.3 = 14.5V VSUB = -8.0V VSUB = 14.5V IOUT = -200A Ta=-20 ~ 75C (*2), Iout=-200AVDCIN = 1.0 ~ 4.5V VDCIN = 1.0 ~ 4.5V IOUT = 0A V A mA % 0.08 - 1.0 mA ( * 1 ) : Refer the test cirect. Shutter speed : 1/100000 SEC ( * 2 ) : Refer the characteristics of OP - AMP ( * 3 ) : XV1 ~ 4, XSG1, XSG3, XSUB PIN KS7221D TIMING DIAGRAM 5V XV1 ~ 4 GND 5V 50% 50% VERTICAL DRIVER FOR CCD 50% 50% XSG1,3 GND TPHM TTHM TPMH VHH TTMH TPLM TTLM 10% 90% 90% 10% TTML TPML 90% V1,3 VME VEE VME V2,4 VEE 5V XSUB GND 10% 10% TPLM TTLM 90% TPHL 90% TTHL 10% 10% 50% 50% TTHL TPLH TPHL 90% 90% VHH VSUB VEE TTLH 10% 10% NOISE DIAGRAM VCMH VCML VM VCLH VCLL VL KS7221D TEST CIRCUIT R1 C1 VERTICAL DRIVER FOR CCD R1 R2 C1 500pF R1 C2 C2 C2 C2 R1 C1 C1 R1 : 27 R2 : 5 C1 : 1500pF C2 : 3300pF VDD2(15V) VEE(-8.5V) 0V VDD1(15V) 16 15 14 13 12 11 20 19 18 17 KS7221D 1 2 3 4 5 6 7 8 9 10 VCC(22V) Timing Generator OP- AMP Gain Characteristics lout = 0uA 25.0 ( V ) Ta = - 20 ~ 75 C C OUTPUT VOLTAGE (2.5 / div) 5.0 ( v ) INPUT VOLTAGE (0.5 / div) KS7221D APPLICATION CIRCUIT VERTICAL DRIVER FOR CCD 0.1F / 35V + VEE ( - 8.5 ) 0.1F / 35V 1 T I M I N G G E N E R A T O R XSUB XV2 XV1 XSG1 XV3 XSG3 XV4 GND XSUB XV2 XV1 XSG1 XV3 XSG3 XV4 VCP DCIN VHH VSUB VEE 20 0.1F 19 18 17 16 15 14 13 12 V3 V4 V2 V1 2 3 4 5 6 7 8 2 3 4 5 6 7 8 9 + 1F VSUB K S 7 2 2 1 D V2 V1 + VHH ( 15V ) VME V3 V4 C C D VHH VDD (5V) 10 47K 0.1F 0.1F 100K 1M DCOUT 11 * In case of DCOUT VHH - 1.0V , VCP PIN connects with VHH. Warning : When voltage is biased, You must keep this flow. if you dont this flow, Negative voltage is applied to CCD image sensors SUB. t1 20% 15V (VHH) 0V (VME) 20% t2 _ _ * t1 > t2 > 10ms - 8.5V (VME) KS7221D PACKAGE DIMENSION 20-SSOP-225 #20 #11 VERTICAL DRIVER FOR CCD unit : mm 0~ 8 6.40 _ 0.30 + 4.40 _ 0.20 + #1 #10 0.15 - 0.05 6.50 _ 0.20 + 1.50 _ 0.20 + 1.85MAX 0.10 MAX 0.65 0.05MIN (0.30) 0.22 _ 0.10 + 050 _ 0.20 + + 0.10 5.72 |
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