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Sony Semiconductor Electronic Components Datasheet

CXA2056Q Datasheet

Digital CCD Camera Head Amplifier

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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
–20 to +75
–65 to +150
V
°C
°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


Sony Semiconductor Electronic Components Datasheet

CXA2056Q Datasheet

Digital CCD Camera Head Amplifier

No Preview Available !

Block Diagram and Pin Configuration
CXA2056Q
24 23 22 21 20 19 18 17
BUF
PIN 25
DIN 26
SH1
DMSW1
CDS
CLP1
SH2
SH3
AGC
DC
SHIFT
CAM
SH
VCC2 27
ICONT 28
DMSW2
CDS
CLP2
VREF
BLK SW
LIN/CH 29
LISW
CH
SW
GND2 30
RFCONT 31
VSI
PBRFC 32
VS2
LIN
CLP
LIN
CH AMP
VB
VISW
1
2
3
CAM
DRV
VIDC
SHIFT
VCENT
CVSW
VIDEO
DRV
VRT
CL
GCA
VCENT
VRB
LOSW
LOUT
CLP
VB
MODE CONTROL
&
POWER SAVE CONTROL
1 234 567
16 AGCCLP
OBSW
15 CLPOB
14 XRS
13 PBLK
OFFSET
12 OFFSET
VRT
DRV
VRB
DRV
11 VRT
10 VRB
VCENT VB
9 VCC3
8
–2–


Part Number CXA2056Q
Description Digital CCD Camera Head Amplifier
Maker Sony Corporation
Total Page 24 Pages
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