Driver circuit for CMOS linear image sensor C9001
ꢀ Block diagram
ꢀ Timing chart
DUTY RATIO 50 %
S8377/S8378
P-CLK
CLK
CLK
1 CLK WIDTH
P-ST
START
SW2: EXTERNAL/INTERNAL GAIN CHANGE
GAIN
Vg
START
+5 Vcc
P-CLK *
P-ST *
SW1: INTERNAL GAIN CHANGE
Vcc
TRIG
EOS
GATE CIRCUIT
eos
GATE *
CLAMP VOLTAGE
+5 Vcc
FILTER
Vclamp
Vdd
TRIG
EOS
GENERATOR
Vcc
1 CLK WIDTH
Vcc
Vss
VIDEO
-
+
VIDEO
Video
APPROX. 100 ns
* INTERNAL SIGNAL
KACCC0174EA
KACCC0175EA
ꢀ Dimensional outline (unit: mm)
50 0.2
4
1
5
8
SENSOR GAIN SELECTION SWITCH
CMOS LINEAR IMAGE SENSOR
S8377/S8378 SERIES
(SOLD SEPARATELY)
CIRCUIT/EXTERNAL
CIRCUIT SWITCH
SWITCH
CIRCUIT SWITCH
SENSOR GAIN High
SELECTION
S2
S1
SENSOR GAIN Low
EXTERNAL SELECTION
S2: CIRCUIT SWITCH
SELECTION
S1: SENSOR GAIN Low
SET UP AT
SHIPMENT
44
2.54
(2 ×) 2.5 0.1
2.54
2.54
S2
S1
16.1 0.1
KACCA0115EA
ꢀ Pin assignment of I/O connector [Connector: LY20-10P-DTI-P1 (made by JAE) ] *3
Pin No. Terminal name
I/O
I
Description
➀
Sensor scan synchronization signal. The sensor is scanned in synchronization with this signal.
CLK
Sensor scan start signal. The pulse interval of these start signals determines the sensor integration
➁
START
I
I
time.
Sensor gain setting. Low gain is selected at High level, and high gain at Low level. (External
gain setting is enabled with S2.)
➂
GAIN
➃
➄
➅
➆
➇
➈
➉
EOS
TRIG
GND
O
O
Sensor end-of-scan signal. Negative logic
A/D conversion timing signal. The number of output pulses is equal to the number of pixels.
Circuit ground
Vcc
I
+5 V power supply line
Circuit ground
GND
VIDEO
A.GND
O
Video output signal. Positive polarity
Video signal ground
*3: A mating connector is supplied with C9001 along with toa cable (30 cm, preassembled).
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2002 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Cat. No. KACC1079E01
Jul. 2002 DN
2