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參數(shù)資料
| 型號(hào)： | AMIS-720442-A |
| 英文描述： | 400dpi Contact Image Sensor |
| 中文描述： | 400dpi的接觸式圖像傳感器 |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 391K |
| 代理商： | AMIS-720442-A |
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AMIS-720442-A: 400dpi Contact Image Sensor
Data Sheet
5.0 Signal Conversion Circuit
Figure 5 is an example of the charge conversion that is used in the CIS modules. It is usually bonded on the same PCB on which the
ere cost is an important factor, this simple circuit provides the cleanest technique in
currents from each pixel element onto a capacitor, CAP. It also sums the energy of the
switch edge along with the signal current pulses, minimizing the switching patterns on the video pixels. The summed charges stored on
the CAP produce a pixel voltage. This voltage amplitude is proportional to the charge from the current pulse and the value of the CAP.
a 0 value and the remainder adds a constant
switch (SW), that connects the
value to off-set the dark level. After the pixel is i
deo line to ground prior to accessing the following pixel element. Figure 6, which depicts a typical pixel voltage waveform, shows that
the shunt time is controlled with CP. SW activation and the res
multaneously, initializing the pixel for its integration process cycle. The signal pixels Vp(n) is referenced to its dark level as it is seen in
si
Figure 6.
to the dark reference level of the pixel element storage occur
image sensors are bonded. In applications wh
processing the video output. It integrates all the
Figure 5: Video Output Test and Application Circuit
Since switching energies are components with high frequencies, they tend to integrate to
ntegrated, the CAP is reset to 0V by activating the shunt
vi
et
Figure 6: Single Pixel Video Output
5
AMI Semiconductor
– May 06, M-20571-001
www.amis.com
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| AMIS-720639 | 600dpi CIS Sensor Chip |
| AMIS-720649 | Contact Image Sensor |
| AMIS-720658 | Contact Image Sensor |
| AMIS-721250 | Contact Image Sensor |
| AMIS-722402 | Contact Image Sensor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AMIS-720658 | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
| AMIS-721250 | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
| AMIS-722402 | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
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