CXA1690Q 查看數據表（PDF） - Sony Semiconductor

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CXA1690Q

Head Amplifier for Digital CCD Cameras

Sony Semiconductor 

CXA1690Q

Pin

No.

Symbol

Pin voltage

Equivalent circuit

127

Camera

system CAM

mode black

level: 2V

400µ

Video

8

system LIN

CLPDRV mode clamp

level: 2V

Video

system PB

mode DC

level: 3V

CAM mode

switch

78µ

9 Vcc3

20 Vcc1

Vcc

27 Vcc2

LIN mode

switch

50µ

127

157µ

86µ

PB mode

switch

1k

10 VRB

2.02V

16k

13k

91µA 6k

Description

Clamps and outputs

the DRVOUT (Pin 7)

output signal.

The switch for each

mode is closed and the

clamp potentials

applied to this pin by

selecting CAMVIDEO

(Pin 1) or PBRFC (Pin

2).

Driver VCC.

Camera signal VCC.

Video signal VCC.

2V regulator output

VRB – VRT load:

160Ω or greater.

Be sure to decouple this

pin near the IC pins to

prevent the oscillation

and external noise when

this pin is not used.

(Recommended

capacitor value: 4.7µF)

11 VRT

3.88V

4k

1k

1.9k

25k

91µA 91µA 91µA

4V regulator output.

Be sure to decouple this

pin near the IC pins to

prevent the oscillation

and external noise when

this pin is not used.

(Recommended

capacitor value: 4.7µF)

–4–

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