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PDF CXA2006 Data sheet ( Hoja de datos )
| Número de pieza | CXA2006 | |
| Descripción | Digital CCD Camera Head Amplifier | |
| Fabricantes | Sony Corporation | |
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Hay una vista previa y un enlace de descarga de CXA2006 (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
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CXA2006Q
Digital CCD Camera Head Amplifier
Description
The CXA2006Q 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
and for video signals) required by external A/D
converters
Absolute Maximum Ratings
• Supply voltage
VCC
• Operating temperature Topr
• Storage temperature Tstg
• Allowable power dissipation
PD
14
–20 to +75
–65 to +150
V
°C
°C
640 mW
Operating Conditions
Supply voltage
VCC1, 2, 3 4.5 to 5
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–
E94X41B8X-PS
1 page  
CXA2006Q
Pin
No.
Symbol
Pin voltage
12 OFFSET
0 to 3V
66k
24k
13 PBLK
VTH = 1.35V
Active: Low
13
Equivalent circuit
Description
100µA
23k
100µA
127
1.1k
Controls the output
offset during camera
mode.
12 When 0V:
less than
(VRB – 200mV)
10k When 3.0V:
greater than
(VRB + 300mV)
127
10k
25µA
25µA
68k
1.35V
24k 27k
Camera signal pre-
blanking pulse input.
Active when Low only
during camera mode.
Calibrates the black
level of the AGC
output waveform.
When PBLK is Low,
the DRVOUT
potential is forced to
2V.
14 XRS
12.25k
VTH = 2.16V
2.16V
Sampling
10.25k
200
127
5p
100µA 2.5mA
200
Camera signal
sample-and-hold
14 pulse input.
10k
VTH = 1.45V
15 CLPOB
15
Active: Low
1.1k
127
10k
66k
1.45V
100µA
29k
Clamp pulse used to
clamp the optical
black portion of the
camera signal after it
passes through the
AGC amplifier.
–5–
5 Page 
Measurement Timing Chart
PL4 (CLPOB)
PL1 (CLPDM)
PL6 (PBLK)
V5 (DIN)
Equivalent to CCD
signal black level
V3 (CH)
V4 (PBRFC)
V1 + V3 (LIN)
PL2 (SHD)
PL3 (SHP)
PL5 (XRS)
PL7 (VSHP)
CXA2006Q
1H
2µs
2µs 1H
1H
1.5V
GND
1.5V
GND
1.5V
GND
Different for each test
Different for each test
2.5V
GND
– 11 –
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet CXA2006.PDF ] | |
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