Driver circuit for NMOS linear image sensor

C7885 series

I Timing chart

MASTER CLOCK CLK

MASTER START Start

START

st

CLOCK

1

CLOCK

2

RESET

CLAMP

Trigger

VIDEO OUTPUT Data Video

END OF SCAN EOS

KACCC0120EA

Terminal No.

Terminal name

Description

1

A. GND

Analog ground

2

+12 V or +15 V

Power supply

3

A. GND

Analog ground

4

NC

No connection

5

A. GND

Analog ground

6

Data Video

Analog video signal output; positive polarity

7

A. GND

Analog ground

8

A. GND

Analog ground

9

D. GND

Digital ground

10

EOS

Digital output signal indicating end of scan; negative logic

11

D. GND

Digital ground

12

Trigger

Digital output signal for A/D conversion; positive logic

13

D. GND

Digital ground

14

CLK

Digital input signal for operating the circuit at the rising edge (in case of

C7885G, output signal)

15

D. GND

Digital ground

16

Start

Digital input signal for initializing the circuit; positive logic. (in case of

C7885G, output signal)

Interval of these pulses equals the integration time of the sensor.

I Dimensional outlines and input/output signal descriptions (unit: mm)

(2 ×) 3.6

63.5

55.88

16

15

2

1

(4 ×) C3

7.62

7.62

KACCA0086EA

C7885

55.88

63.5

1.6

10.0

1.6

(2 ×) 3.6

(4 ×) C3

7.62

7.62

KACCA0106EA

C7885G

2