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Low light operation to 0.5 lux
Automatic Exposure and Gain Control
Automatic Black Level Calibration
Linear or Gamma corrected output option
Industry standard 48 pin LCC package
GENERAL DESCRIPTION
The VV5402 is a highly-integrated VLSI
camera device based on VISION鈥檚 unique
CMOS sensor technology. It is suitable for
applications requiring a composite video
output with minimum external circuitry.
The device incorporates a 388 x 295 pixel
image sensor and all the necessary support
circuits to generate fully formatted composite
video into a 75鈩?load.
Automatic control of exposure, gain and black
BLOCK DIAGRAM
Pr
e
lim
in
DIGITAL
CONTROL
LOGIC.
AGC
AEC
RESETB
LIN
BKLIT
CCIR
ANALOG
VOLTAGE
REFS.
VRT
Vbloom
VOFF
VBG
EBCK
EVWT
2V7
AVO
level allow use of a single fixed-aperture lens
over a wide range of operating conditions.
Normal and Backlit modes further enhance
difficult scene types.
All major control functions are pin selectable
giving maximum flexibility with ease of use. The
VV5402 offers a complete camera system with
only a few external components.
ar
Pixel Format
Pixel Size
Array Size
Min. illumination
S/N
Exposure control
Gain Control
Power Supply
Power
Temperature
VERTICAL
SHIFT
REGISTER
PHOTO DIODE ARRAY
5V
CKOUT
CKIN
SIN
COLUMN SENSE AMPLIFIERS
CLOCK
CIRCUIT
SAMPLE & HOLD
VIDEO
BUFFER
HORIZONTAL SHIFT REGISTER
VIDEO
AMP
cd27031c.fm
y
384 x 287 (CCIR)
320 x 243 (EIA)
12碌m x 12碌m
4.66mm x 3.54mm
0.5 lux (Standard Clock)
Typically 52dB
Automatic (to 146000:1)
Automatic (to +20dB)
5v 鹵5%
< 300 mW
0
o
C - 40
o
C
1