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CXA2056Q

Digital CCD Camera Head Amplifier

Sony Semiconductor 

CXA2056Q

Digital CCD Camera Head Amplifier

Description

The CXA2056Q is a bipolar IC developed as a

head amplifier for digital CCD cameras. This IC

provides the following functions: correlated double

sampling, AGC for the CCD signal, GCA for the low-

band chroma signal, AMP for high-band chroma and

line signals, A/D sample and hold, blanking, A/D

reference voltage, and an output driver.

Features

• High sensitivity made possible by a high-gain AGC

amplifier

• Blanking function provided for the purpose of

calibrating the CCD output signal black level

• Regulator output pin provided for A/D converter

reference voltage

• Built-in GCA and AMP for amplifying video signals

(chroma and line signals) from external sources

• Built-in sample-and-hold circuits for camera signals

required by external A/D converters

Absolute Maximum Ratings

• Supply voltage

VCC

• Operating temperature Topr

• Storage temperature Tstg

• Allowable power dissipation

PD

11

V

–20 to +75 °C

–65 to +150 °C

1160 mW

Operating Conditions

Supply voltage VCC1, 2, 3 3 to 3.3

V

Applications

Digital CCD cameras

Structure

Bipolar silicon monolithic IC

32 pin QFP (Plastic)

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

–1–

E96119A8X-PS

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