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AMI SEMICONDUCTOR

AMIS-710252-A6 Datasheet Preview

AMIS-710252-A6 Datasheet

CIS Module

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AMIS-710252-A6: 200dpi CIS Module
Data Sheet
1.0 General Description
The AMIS-710252-A6 (PI252MC-A6-R) is a contact imaging sensor (CIS) module. It operates from a single 5V supply. It is composed
of 13 AMIS-720233 (PI3033) sensor chips. The AMIS-720233 is a 200 dots per inch (dpi) solid-state line imaging array, also a product
of AMI Semiconductor. This imaging device is fabricated using MOS imaging sensor technology for its high-speed performance and
high sensitivity. The AMIS-710252-A6 is suitable for scanning A6 size (104mm) documents with eight dots per millimeter (dpm)
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
8dpm resolution, 104mm scanning length
High speed page scan - up to 167µsec/line @ 5MHz pixel rate
Wide dynamic range
Analog output
Red LED light source
Compact size 14mm x 19mm x 120mm
Light weight
3.0 Functional Description
The AMIS-710252-A6 consists of 13 imaging array sensors, which are cascaded to provide 832 photo-detectors. Each sensor contains
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. The only change from its predecessor
module is in this amplifier. It was slightly altered to gain the single supply feature through the application of the new rail-to-rail single volt
operational amplifiers (see Figure 1).
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Figure 1: AMIS-710252-A6 Module Block Diagram
AMI Semiconductor – Aug. 2006, M-20606-001
www.amis.com
1




AMI SEMICONDUCTOR

AMIS-710252-A6 Datasheet Preview

AMIS-710252-A6 Datasheet

CIS Module

No Preview Available !

AMIS-710252-A6: 200dpi CIS Module
Data Sheet
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).
Figure 2: AMIS-710252-A6 Cross Sectional View
This pictorial cross section shows the LED bar light source and its illumination path. The light on the document reflects images of the
document. The reflected images focus through the micro lens onto the image sensing line of the chips, where 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 plays a minor role in the depth-of-focus because
it lies in the optical path.
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There is one connector located at the end of the module. The outline of the module's housing in Figure 4 illustrates the connector
location. With the module window facing down on the flat surface, the viewer looking down on backside of the module and the
connector's pins facing viewer, the connector is located on the right-hand end of the module. The connector is a single row of ten pins
with a 1.25mm pin space. It is ECE EBW-PK23-P010L2-3Z. Its I/O designation is provided in Table 1. The location of Pin 1 is indicated
on the module outline.
Table 1: I/O Designation
Pin Number
1
2
3
4
5
6
7
8
9
10
Symbol
Vout
Gnd (0V)
Vdd (+5V)
NA
Gnd (0V)
SP
Gnd (0V)
CP
GLED
VLED
Names and Functions
Analog video output
Ground
Positive power supply
Not used
Ground
Shift register start pulse
Ground
Sampling clock pulse
Ground for the light source
Supply for the light source
AMI Semiconductor – Aug. 2006, M-20606-001
www.amis.com
2


Part Number AMIS-710252-A6
Description CIS Module
Maker AMI SEMICONDUCTOR
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