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VV6404C001-B2 Datasheet

  • VV6404C001-B2

  • Mono and Colour Digital Video CMOS Image Sensors

  • 54頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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VV5404 & VV6404
廬
Mono and Colour Digital Video CMOS Image Sensors
DESCRIPTION
VV5404 and VV6404 are highly integrated CMOS VLSI
sensors which enables high standards of performance and
image quality at a very cost-effective price point. The 356 x
292 monochrome device offers one of the simplest routes
currently available to design-in of imaging applications, while
the colour device is ideal for low cost PC camera applications.
Both devices incorporate a comprehensive range of on-board
controls eliminating the need for additional support chips. On-
chip A/D conversion provides 8 bit digital output and the
device set up is fully automatic via the built-in automatic black
level calibration algorithm.
Exposure and gain settings are programmable and operation
is controlled via a serial interface.
This sensors offer variable frame rates of up to 30 frames per
second and a 4 wire digital video bus. The digital interface
also provides a tri-stateable data qualification clock and frame
synchronisation signal.
Hand-held products, in applications such as PDAs, bar code
scanning or automatic meter reading, will benefit from the low
power requirements and from the inbuilt sleep and power
down modes.
The price and performance standards introduced with the
VV5404 and VV6404 enable use of an imaging solution
where previously it may not have been practicable on cost
grounds.
FEATURES
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CIF Format mono or colour pixel array
Up to 30 frames per second operation
On-chip 8 bit analogue to digital converter
Low power consumption
Up to 356 x 292 pixel image size
Automatic exposure and gain control
Serial interface control
Programmable exposure and gain values
Automatic black level calibration
4-wire digital video bus
Evaluation kit available
APPLICATIONS
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PC Cameras
Biometrics
Inspection Systems
SPECIFICATIONS
Pixel resolution
Array size
Pixel size
Min. illumination
Exposure control
Gain control
Signal/Noise ratio
356 x 292 (CIF)
4.272mm x 3.212mm
12.0
碌m
x 11.0
碌m
0.1 lux
Automatic (to 25000:1)
Automatic (to +20dB)
46dB
5.0v DC
+/鈭?/div>
5%
<75mA
0
o
C - 40
o
C
(for extended temp. info please con-
tact STMicroelectronics)
BLOCK DIAGRAM
C LKI
C LK O
S IN
BLACK
CALIBRATION
IMAGE
FORMAT
EXPOSURE
REGISTERS
SERIAL
INTER-
FACE
Supply voltage
SD A
SC L
Supply current
Operating
temperature
(ambient)
Package type
VERTICAL
SHIFT
REGISTER
PHOTO DIODE
ARRAY
OUTPUT
FORMAT
D[3:0]
QCK
FS T
OEB
48LCC
8-bit
ADC
SAMPLE & HOLD
ANALOG
VOLTAGE
REFS.
HORIZONTAL SHIFT
REGISTER
GAIN
STAGE
Important:
1.
A colour co-processor is required to convert the VV6404 sensor鈥檚 video
data stream of raw colourised pixel data into either a CIF or QCIF for-
mat RGB or YUV colour image.
VV5404 and VV6404 do NOT have any form of automatic exposure
control. This must be performed externally.
2.
CD5404-6404F-A
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