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AMIS-710411-A7 PDF预览

AMIS-710411-A7

更新时间: 2024-11-30 03:18:43
品牌 Logo 应用领域
AMI 传感器换能器图像传感器
页数 文件大小 规格书
7页 302K
描述
400dpi CIS Module

AMIS-710411-A7 技术参数

生命周期:TransferredReach Compliance Code:unknown
风险等级:5.76Is Samacsys:N
Base Number Matches:1

AMIS-710411-A7 数据手册

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AMIS-710411-A7: 400dpi CIS Module  
Data Sheet  
1.0 General Description  
The AMIS-710411-A7 (PI411MC-A7) is a contact imaging sensor (CIS) module that can operate from a single 5.0V supply. It is a linear  
scanning array composed of 11 AMIS-720422 (PI3022) imaging sensor chips. The AMIS-720422 is a 400 dots per inch (dpi) solid-state  
line imaging sensor chip with 128 photo sensitive elements, which are also a product of AMIS. Eleven of these devices are sequentially  
cascaded to form the linear scanning array with a total of 1408 photo sensing elements. This imaging device is fabricated using MOS  
imaging sensor technology for its high-speed performance and high sensitivity. It is designed for scanning A7 size (89mm) documents  
with 400dpi resolution. Applications include ticket, check and card scanners, a variety of mark readers, and other automation  
equipment.  
2.0 Key Features  
Low power-single power supply at 5.0V  
Light source, lens and sensor are integrated into a single module  
15.7dpm resolution, 89mm scanning length  
High speed page scan - up to 282µsec/line @ 5MHz pixel rate  
Wide dynamic range  
Analog output  
660 LED light source  
Compact size 13mm x 25.6mm x 102mm  
Light weight  
3.0 Functional Description  
The AMIS-710411-A7 consists of 11 imaging array sensors, which are cascaded to provide 1408 photo-detectors. Each sensor has its  
associated multiplex switches and a digital shift register, which controls its sequential readout. Each sensor also contains a chip select  
switch so that each following chip is accessed sequentially as its predecessor chip completes its scan. Theses chips are mounted on a  
printed circuit board (PCB) along with clock buffers and a video signal amplifier (see Figure 1).  
The PCB containing the imaging array is enclosed in a module housing along with a one-to-one graded indexed micro lens array, which  
focuses the image of the scanned documents onto the sensing line of the sensor chips. The document is illuminated with an LED light  
source, which is also mounted in the housing (see Figure 2).  
The pictorial cross section (Figure 2) shows the LED bar light source and its Illumination path. The light on the document reflects  
images on the document. The reflected images focus through the micro lens onto the image sensing line of the chips where the images  
are converted to proportional electrical charges. An on board amplifier processes these signal charges into proportional video signal  
voltages, which are sent out to the output video port.  
All components are housed in a small plastic housing and covered with a glass window. This cover glass not only serves to protect all  
of the critical components within the housing from dust, but along with the micro lens, it determines the depth-of-focus because it lies in  
the optical path.  
AMI Semiconductor – July 06, M-20593-001  
1
www.amis.com  

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