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參數資料
| 型號： | LM9647 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM9647 Color CMOS Image Sensor VGA 68 FPS |
| 中文描述： | LM9647彩色CMOS圖像傳感器顯卡68醫科 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 919K |
| 代理商： | LM9647 |
2002 National Semiconductor Corporation
www.national.com
ADVANCE INFORMATION
LM9647 Color CMOS Image Sensor VGA 68 FPS
General Description
The LM9647 is a high performance, low power, 1/4" VGA CMOS
Active Pixel Sensor capable of capturing color
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
separate color gain amplifiers . 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 Four channels of digitally programmable analog gain
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 Dual Mode Camera
f Digital Still Camera
f Security Camera
f Machine Vision
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 3.89 mm
Optical Format
1/4"
Pixel Size
6.0
m 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
2.5 volts/lux.s
Fill Factor
49%
Color Mosaic
Bayer pattern
Package
32 LCC
Single Supply
3.0V +/-10%
Power Consumption
130mW
Operating Temp
-10oC to 50 oC
Overall Chip Block Diagram
Column CDS
H
o
riz
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ta
l
R
e
g
is
te
r
D
ig
it
a
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V
id
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B
la
c
k
L
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C
o
m
p
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n
s
a
ti
o
n
ch0
MUX
d[9:0]
pclk
hsync
vsync
R
o
w
A
d
re
s
D
e
c
o
d
e
r
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
ch1
ch2
ch3
+/-
Figure 1. Chip Block Diagram
L
M
9
6
4
7
C
o
lo
r
C
M
O
S
Im
a
g
e
S
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n
s
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V
G
A
6
8
F
P
S
May 2002
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相關代理商/技術參數 |
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| LM9647CEA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9647 Color CMOS Image Sensor VGA 68 FPS |
| LM9647EVAL-KIT | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9647 Color CMOS Image Sensor VGA 68 FPS |
| LM9647HEADBOARD | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9647 Color CMOS Image Sensor VGA 68 FPS |
| LM9647SAMPLE-KIT | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9647 Color CMOS Image Sensor VGA 68 FPS |
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