Datasheet > AMIS-721250

AMIS-721250

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
AMI		传感器图像传感器
页数	文件大小	规格书
12页	693K
描述
Contact Image Sensor

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AMIS-721250 数据手册

AMIS-721250: Contact Image Sensor

Data Sheet

1.0 General Description

AMI Semiconductor’s AMIS-721250 (PI6050D) contact image sensor (CIS) is a selectable 600 or 1200 dot per inch (dpi) resolution

linear image sensor, which employs AMI Semiconductor’s proprietary CMOS image sensing technology. The sensor contains an on-

chip output amplifier, power-down circuitry and parallel transfer features that are uniquely combined with the present-day active-pixel-

sensor technology. The image sensors are designed to be cascaded end-to-end on a printed circuit board (PCB) and packaged in an

image sensing module. Applications for the sensor array includes facsimiles, PC scanners, check readers, and office automation

equipment.

Figure 1 is a block diagram of the sensor. Each sensor consists of 688 active pixels, their associated multiplexing switches, buffers, and

an output amplifier circuit with a power down feature. The sensors pixel-pixel spacing is approximately 21.15µm. The size of each

sensor without the scribe lines is 14560µm by 425µm.

2.0 Key Features

• 600 or 1200dpi selectable resolutions

• 344 or 688 image sensor elements (pixels)

• 21.15µm (1200dpi) pixel center-to-center spacing (47.24dots/mm)

• On-chip amplifier

• Single 5.0V power supply

• 3.3V input clocks

• 3.0MHz maximum pixel rate

• Parallel / integrate and transfer

• Power-down circuit

• High sensitivity

• Low power

• Low noise

14560µm

21.15µm

342

686

343

687

344

688

Row of 688 Pixels (1200dpi)

or Selectable

Row of 344 Pixels (600dpi)

and Video Line Multiplexer

425µm

Parallel Transfer, Storage Cells and Readout Registers

Amplifier, Power-

Down and Offset

Control

GBST

CLK

SIC

VDD

VOUT

VSS

VREF

Figure 1: Sensor Block Diagram

AMI Semiconductor – Dec. 05, M-20496-004

www.amis.com

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