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HV7131B Datasheet

  • HV7131B

  • CMOS IMAGE SENSOR With 8-bit ADC

  • 29頁

  • ETC

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HV7131B
Electronics Industries Co., Ltd.
System IC Division
DESCRIPTION
HV7131B is a highly integrated single chip CMOS color image sensor using Hyundai 0.5um CMOS process
developed for image application to realize high efficiency R/G/B photo sensor. The sensor has 648X488 pixel
array, and in general color interpolation method using 3x3 spatial mask with window size 642X482 pixels may
be used for VGA(640X480) display mode. Each compact active pixel element has high photo-sensitivity and
converts photon energy to analog voltage signal. The sensor has three on-chip 8 bit Digital to Analog Convert
(DAC) and 648 comparators to digitize the pixel output. The three on-chip 8 bit DAC can be used for
independent R/G/B gain control. Hyundai proprietary on-chip Correlated Double Sampling (CDS) circuit can
reduce Fixed Pattern Noise (FPN) dramatically. The whole 8 bit digital color raw data is directly available on
the package pins and just a few control signals are needed for whole chip control so that it is very easy to
configure CMOS imaging system.
PRELIMINARY
CMOS IMAGE SENSOR
With 8-bit ADC
FEATURES
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648 x 488 pixels resolution
Active pixel size: 8um x 8um
High efficiency R/G/B color photo sensors
Integrated 8-bit ADC for direct digital output
Low power 3.3V operation (5V tolerant I/O)
Integrated pan control and window sizing
Clock speed up to 15MHz
Programmable frame rate and synchronous format
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Full function control through standard I
2
C bus
Built-in Automatic Gain Control AGC
48Pin CLCC / 20Pin CDIP
Bayer RGB color pattern
Anti-blooming circuit
Flexible exposure time control
Integrated on-chip timing and drive control
1/3" optical format
TECHNICAL SPECIFICATION
Pixel resolution
Pixel size
Fill factor
Format
Sensitivity
Supply voltage for analog
Supply voltage for digital
Supply voltage for 5V tolerant input
Power Consumption
Operating temperature
Technology
648x488
8x8um
2
30%
VGA
2.2V/lux路sec
3.3V
3.3V
5.0V
FUNCTIONAL BLOCK DIAGRAM
Control Register & Logic
I
2
C
Decoder/Pixel Driver
Pixel Array
ADC Block
Line Buffer
@15MHz
0~40 Centigrade
0.5um 3metal CMOS
This document is a general product description and is subject to change without notice. Hyundai Electronics does not assume any
responsibility for use of circuits described. NO patent licenses are implied.
DA31991011R_1.0
-1-
1999 Hyundai System IC Division

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