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| 型號(hào)： | AMIS-720341 |
| 英文描述： | Contact Image Sensor |
| 中文描述： | 接觸式圖像傳感器 |
| 文件頁(yè)數(shù)： | 11/16頁(yè) |
| 文件大小： | 1038K |
| 代理商： | AMIS-720341 |
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AMIS-720341-A:
Contact Image Sensor
Data Sheet
Table 4: Electro-Optical Characteristics at High Frequency
Red 660 LED Bar, A6 PCB in A6 Module Housing, at 5.0MHz Clock
Parameters
Line scanning rate
Clock frequency
Output voltage
Output voltage non-uniformity
Dark output voltage
Dark output non-uniformity
Adjacent pixel non-uniformity
LED bar input voltage
LED bar input current
Table 5: Electro-Optical Characteristics at High Frequency
Y-G LED Bar, A6 PCB in A6 Module Housing, at 2.0MHz Clock
Parameters
Line scanning rate
Clock frequency
Output voltage
Output voltage non-uniformity
Dark output voltage
Dark output non-uniformity
Adjacent pixel non-uniformity
LED bar input voltage
LED bar input current
Table 6: Electro-Optical Characteristics at High Frequency
Y-G LED Bar, A6 PCB in A6 Module Housing, at 5.0MHz Clock
Parameters
Line scanning rate
Clock frequency
Output voltage
Output voltage non-uniformity
Dark output voltage
Dark output non-uniformity
Adjacent pixel non-uniformity
LED bar input voltage
LED bar input current
Notes:
(1)
Note 1 under Table 2, is a valid definition, except that the A6 modules have 13 sensors sequentially cascaded, hence, Tint = (13X96)/Fclk is the minimum
integration time.
(2)
Fclk is the module’s clock, CP, frequency and equal to the pixel rate. Also, the clock duty cycle is set to 25 percent for the 2.0MHz clock frequency and set to 50
percent for the 5.0MHz.
(3)
Vpavg =
∑
Vp(n)/Npixels (average level in one line scan).
Where Vp(n) is the amplitude of n
pixel in one line scan of the modules.
Npixels is the total number of pixels in the module, i.e., 13 die x 96 pixels.
The amplitude of Vpavg is adjusted with RIN (which are installed in the production module) on all of CIS modules because of variations caused by the
LED light sources. The low-cost production LED’s light power are known to vary as much as ± 30 percent.
(4)
Up is the uniformity specification, measured under a uniform exposing light exposure. Up = [Vp(max) - Vpavg] / Vpavg x 100% or [Vpavg - Vp(min)] / Vpavg} x
100%, whichever is greater.
Where Vp(max) is the maximum pixel output voltage in the light.
Vp(min) is the minimum pixel output voltage in the dark.
The pixel Vp(n) is one n
pixel in Npixels in the sensor.
In applying the Up definition, Npixels must change. It must include 13 sensors, or 13x96 pixels.
Additionally, because the low-cost LED power variation can be high as ± 30 percent, the non-uniformities may vary as much as ± 30 percent. Hence the
uniformities are worse because of the LED bar CIS modules.
(5)
Vd =
∑
Vp(n)/Npixels. Where Vp(n) is the pixels signal amplitude of the n
th
pixel of the sensor. Dark is where light is off, leaving the image surface unexposed.
(6)
Ud = Vdmax – Vdmin.
(7)
Upadj = MAX[ | (Vp(n) - Vp(n+l) | / Vp(n)) x 100%. Upadj is the non-uniformity in percentage. It is the amplitude difference between two neighboring pixels.
Symbols
Tint
Fclk
(2)
Vpavg
(3)
Up
(4)
Vd
(5)
Ud
(6)
Upadj
(7)
VLED
(8)
ILED
(8)
Typical
251
5
0.5
±
20
<190
<80
<20
5.0
90
Units
μ
s/line
MHz
V
%
mV
mV
%
V
mA
Remarks
13 die in the scan, see Note 1 (bottom of Table 6)
Amplifier gain = 1.0, see Note 3
LED bar non-uniformity, see Note 4
LED power varies greatly, see Note 8
LED power varies greatly, see Note 8
Symbols
Tint
Fclk
(2)
Vpavg
(3)
Up
(4)
Vd
(5)
Ud
(6)
Upadj
(7)
VLED
(8)
ILED
(8)
Typical
627
2
0.150
±
20
<30
<15
<20
5.0
380
Units
μ
s/line
MHz
V
%
mV
mV
%
V
mA
Remarks
13 die in the scan, see Note 1 (bottom of Table 6)
Amplifier gain = 1.0, see Note 3
LED bar non-uniformity, see Note 4
LED power varies greatly, see Note 8
LED power varies greatly, see Note 8
Symbols
Tint
Fclk
(2)
Vpavg
(3)
Up
(4)
Vd
(5)
Ud
(6)
Upadj
(7)
VLED
(8)
ILED
(8)
Typical
251
5
0.080
±
25
<180
<60
<20
5.0
380
Units
μ
s/line
MHz
V
%
mV
mV
%
V
mA
Remarks
13 die in the scan, see Note 1 (bottom of Table 6)
Amplifier gain = 1.0, see Note 3
LED bar non-uniformity, see Note 4
LED power varies greatly, see Note 8.
LED Power varies greatly, see Note 8.
11
AMI Semiconductor
– May 06, M-20570-001
www.amis.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AMIS-720341-A | Contact Image Sensor |
| AMIS-720442 | 400dpi Contact Image Sensor |
| AMIS-720442-A | 400dpi Contact Image Sensor |
| AMIS-720639 | 600dpi CIS Sensor Chip |
| AMIS-720649 | Contact Image Sensor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-720341-A | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
| AMIS-720442 | 制造商:AMI 制造商全稱:AMI 功能描述:400dpi Contact Image Sensor |
| AMIS-720442-A | 制造商:AMI 制造商全稱:AMI 功能描述:400dpi Contact Image Sensor |
| AMIS-720639 | 制造商:AMI 制造商全稱:AMI 功能描述:600dpi CIS Sensor Chip |
| AMIS-720649 | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
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