ICX262AQ データシートの表示（PDF） - Sony Semiconductor

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ICX262AQ

Diagonal 8.933mm (Type 1/1.8) Frame Readout CCD Image Sensor with Square Pixel for Color Cameras

Sony Semiconductor 

ICX262AQ

Drive Circuit

3.3V

–7.5V 15V

0.1

XSUB

XV3

XSG3B

XSG3A

XV1

XSG1B

XSG1A

XV4

XV2

1/35V

1

20

2

19

3

18

0.1

4

17

5

16

CXD3400N

6

15

0.1

7

14

8

13

9

12

10

11

100k

1 2 3 4 5 6 7 8 9 10

47

2SK1875

CCD OUT

1.8k

VSUB Cont.

Hφ2

Hφ1

φRG

VR1 (2.7k)

Substrate bias

control signal

VSUB Cont.

Mechanical

shutter mode

tf ≈ 10ms

tr ≈ 2ms

Substrate bias

φSUB pin voltage

ICX262

(BOTTOM VIEW)

20 19 18 17 16 15 14 13 12 11

3.3/20V

0.01

0.1

0.1

0.1

1M

3.3/16V

GND

Internally

generated value

VSUB

2200p

Notes)

Substrate bias control

1. The saturation signal level decreases when exposure is performed using the mechanical shutter, so

control the substrate bias.

2. A saturation signal level equivalent to that for continuous exposure can be assured by connecting a 2.7kΩ

grounding resistor to the CCD CSUB pin.

Drive timing precautions

1. Blooming occurs in modes (high frame rate readout, etc.) that do not use the mechanical shutter, so do

not ground the connected 2.7kΩ resistor.

2. tf is slow, so the internally generated voltage VSUB may not drop to a sufficiently low level if the substrate

bias control signal is not set to high level 40ms before entering the exposure period and the 2.7kΩ resistor

connected to the CSUB pin is not grounded.

3. The blooming signal generated during exposure in mechanical shutter mode is swept by providing one

field or more of idle transfer through vertical register high-speed sweep transfer from the time the

mechanical shutter closes until sensor readout is performed. However, note that the VL potential and the

φSUB pin DC voltage sag at this time.

– 15 –

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