LM9637BCEA National Semiconductor, LM9637BCEA Datasheet
LM9637BCEA
Manufacturer Part Number
LM9637BCEA
Description
Manufacturer
National Semiconductor
Type
CMOSr
Datasheet
1.LM9637BCEA.pdf
(2 pages)
Specifications of LM9637BCEA
Sensor Image Color Type
Monochrome
Sensor Image Size Range
250,920 to 480,000Pixels
Sensor Image Size
488x672Pixels
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (typ)
3V
Operating Supply Voltage (max)
3.3V
Operating Temp Range
-10C to 50C
Package Type
LLCC
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
32
Lead Free Status / RoHS Status
Not Compliant
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LM9637 Monochrome CMOS Image Sensor VGA 68 FPS
General Description
The LM9637 is a high performance, low power, 1/4" VGA CMOS
Active Pixel Sensor capable of capturing monochrome still or
motion images and converting them to a digital data stream.
Excellent image quality is achieved by integrating a high perfor-
mance analog signal processor comprising of a high speed 10
bit A/D convertor, fixed pattern noise elimination circuits and a
programmable gain amplifier. The offset and black level can be
automatically adjusted on chip using a full loop black level com-
pensation circuit.
Furthermore, a programmable smart timing and control circuit
allowing the user maximum flexibility in adjusting integration
time, active window size, gain, frame rate. Various control, tim-
ing and power modes are also provided.
Features
f Master and slave mode operation
f Progressive scan read out with horizontal and vertical flip
f Programmable Exposure:
f Programmable gain amplifier
f Full automatic servo loop for black level & offset adjustment
f Horizontal & vertical sub-sampling (2:1 & 4:2) with averaging
f Windowing
f Programmable pixel clock, inter-frame and inter-line delays
f I
f Power on reset & power down mode
Overall Chip Block Diagram
on each gain channel
- Master clock divider
- Inter row delay
- Inter frame delay
- Partial frame integration
2002 National Semiconductor Corporation
2
C compatible serial control interface
Column CDS
APS Array
Register
+/-
Bank
Amp
Figure 1. Chip Block Diagram
sclk sda
I
2
C Compatible
Serial I/F
Applications
f Security Camera
f Machine Vision
f Barcode Scanners
f Biometrics
Key Specifications
Array Format
Effective Image Area
Optical Format
Pixel Size
Video Outputs
Frame Rate
Dynamic Range
Electronic Shutter
FPN
PRMU
Sensitivity
Fill Factor
Micro Lens
Package
Single Supply
Power Consumption
Operating Temp
sadr
Master Sensor Controller
10 bit A/D
POR
resetb
ADVANCE INFORMATION
Control
Power
pwd
Total: 488 x 672
Active: 488 x 648
Total: 2.93mm x 4.03mm
Active: 2.93mm x 3.89 mm
1/4"
6.0 m x 6.0 m
8 & 10 Bit Digital
68 frames per second
57 dB
Rolling Reset
0.5%
1.7%
2.40 volts/lux.s
49%
none
32 LCC
3.0V +/-10%
130mW
-10
o
C to 50
clk gen
mclk
o
C
www.national.com
MAY 2002
snapshot
extsync
pclk
hsync
vsync
d[9:0]
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LM9637BCEA Summary of contents
Page 1
... Programmable pixel clock, inter-frame and inter-line delays compatible serial control interface f Power on reset & power down mode Overall Chip Block Diagram APS Array Column CDS 2002 National Semiconductor Corporation Applications f Security Camera f Machine Vision f Barcode Scanners f Biometrics Key Specifications Array Format ...
Page 2
... Asia Pacific Customer Email: europe.support @ nsc.com Response Group Tel: 65-2544466 Deutsch Tel: +49 (0) 69 9508 6208 Fax: 65-2504466 English Tel: +44 (0) 870 24 0 2171 Email: ap.support@nsc.com Francais Tel: +33 ( 8790 Part Number LM9637BCEA LM9637SAMPLE-KIT LM9637HEADBOARD LM9637EVAL-KIT LM96-1/4-LENS-KIT National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 . ...