參數(shù)資料
型號(hào)： LM9618
廠商： National Semiconductor Corporation
英文描述： Monochrome CMOS Image Sensor VGA 30 FPS
中文描述： 單色CMOS圖像傳感器顯卡30醫(yī)科
文件頁(yè)數(shù)： 1/2頁(yè)
文件大小： 1693K
代理商： LM9618
2002 National Semiconductor Corporation
www.national.com
ADVANCE INFORMATION
LM9618
Monochrome
CMOS Image Sensor VGA 30 FPS
General Description
The LM9618 is a high performance, low power, 1/3” VGA CMOS
Active Pixel Sensor capable of capturing grey-scale digital still or
motion images and converting them to a digital data stream.
In addition to the active pixel array, an on-chip 12 bit A/D conver-
tor, fixed pattern noise elimination circuits, a video gain and sep-
arate color gain are provided. Furthermore, an integrated
programmable smart timing and control circuit allows the user
maximum flexibility in adjusting integration time, active window
size, gain and frame rate. Various control, timing and power
modes are also provided.
The excellent linear dynamic range of the sensor can be
extended to above 100dB by programming a non linear
response curve that matches the response of the human eye.
Features
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Video or snapshot operations
Progressive scan and interlace read out modes.
Programmable pixel clock, inter-frame and inter-line delays.
Programmable partial or full frame integration
Programmable gain and individual color gain
Horizontal & vertical sub-sampling (2:1 & 4:2)
Programmable digital video response curve
Windowing
External snapshot trigger & event synchronisation signals
Auto black level compensation
Flexible digital video read-out supporting programmable:
- polarity for synchronisation and pixel clock signals
- leading edge adjustment for horizontal synchronization
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Programmable via 2 wire I
2
C compatible serial interface
Power on reset & power down mode
Applications
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Security Cameras
Machine Vision
Automotive
Biometrics
IR imaging
Barcode Scanners
Key Specifications
Array Format
Total: 664H x 504V
Active: 648H x 488
V
Total: 4.98
mm x 3.78 mm
Active: 4.86 mm x 3.66 mm
1/3“
7.5
μ
m x 7.5
μ
m
8,10 & 12 Bit Digital
30 frames per second
Effective Image Area
Optical Format
Pixel Size
Video Outputs
Frame Rate
Dynamic Range
62dB in linear mode
110dB in non linear mode
Electronic Shutter
Rolling reset
FPN
0.1%
PRMU
1.5%
Sensitivity
Quantum Efficiency
Fill Factor
Package
Single Supply
Power Consumption
Operating Temp
5 V/lux.s
27%
47%
48 CLCC
3.3 V +/-10%
120 mW
-40 to 85
o
C
C
APS Array
H
R
POR
B
D
D
F
B
C
d[11:0]
pclk
hsync
vsync
Row Address
Decoder
Vertical
Timing
Horizontal
Timing
Master Timer
Row Address
Gen
Clock Gen
I
2
C Compatible
Serial I/F
Register Bank
Reset
Gen
Gain
Control
sda
sclk
sadr
Power
Control
pdwn
snapshot
extsync
Controller
(sequencer)
mclk
oe
reset
12 Bit A/D
R
G
B
AMP
MUX
Overall Chip Block Diagram
L
May 2002
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