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參數(shù)資料
| 型號： | LM9637 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM9637 Monochrome CMOS Image Sensor VGA 68 FPS |
| 中文描述： | LM9637單色CMOS圖像傳感器顯卡68醫(yī)科 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 657K |
| 代理商： | LM9637 |
2002 National Semiconductor Corporation
www.national.com
ADVANCE INFORMATION
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:
- Master clock divider
- Inter row delay
- Inter frame delay
- Partial frame integration
f
Programmable gain amplifier
f
Full automatic servo loop for black level & offset adjustment
on each gain channel
f
Horizontal & vertical sub-sampling (2:1 & 4:2) with averaging
f
Windowing
f
Programmable pixel clock, inter-frame and inter-line delays
f
I2C compatible serial control interface
f
Power on reset & power down mode
Applications
f
Security Camera
f
Machine Vision
f
Barcode Scanners
f
Biometrics
Key Specifications
Array Format
Total: 488 x 672
Active: 488 x 648
Effective Image Area
Total: 2.93mm x 4.03mm
Active: 2.93mm x 3.89mm
Optical Format
1/4"
Pixel Size
6.0m x 6.0m
Video Outputs
8 & 10 Bit Digital
Frame Rate
68 frames per second
Dynamic Range
57 dB
Electronic Shutter
Rolling Reset
FPN
0.5%
PRMU
1.7%
Sensitivity
2.40 volts/lux.s
Fill Factor
49%
Micro Lens
none
Package
32 LCC
Single Supply
3.0V +/-10%
Power Consumption
130mW
Operating Temp
-10oC to 50oC
Overall Chip Block Diagram
Column CDS
H
ori
zo
nta
l
R
eg
iste
r
D
ig
ita
lV
id
eo
Fr
am
er
B
la
ck
Le
ve
l
C
om
pe
ns
at
io
n
Amp
d[9:0]
pclk
hsync
vsync
R
ow
A
dd
re
ss
D
ec
od
er
10 bit A/D
snapshot
extsync
APS Array
I2C Compatible
Serial I/F
Register
Bank
sclk sda
sadr
POR
Power
clk gen
Control
mclk
pwd
resetb
Master Sensor Controller
+/-
Figure 1. Chip Block Diagram
L
M
9
6
3
7
M
o
n
o
c
h
ro
m
e
C
M
O
S
Im
a
g
e
S
e
n
s
o
r
V
G
A
6
8
F
P
S
MAY 2002
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相關(guān)代理商/技術(shù)參數(shù) |
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| LM9637BCEA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9637 Monochrome CMOS Image Sensor VGA 68 FPS |
| LM9637EVAL-KIT | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9637 Monochrome CMOS Image Sensor VGA 68 FPS |
| LM9637HEADBOARD | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9637 Monochrome CMOS Image Sensor VGA 68 FPS |
| LM9637SAMPLE-KIT | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9637 Monochrome CMOS Image Sensor VGA 68 FPS |
| LM9638 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Monochrome CMOS Image Sensor SXGA 18 FPS |
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