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AMIS-710214 Datasheet Preview

AMIS-710214 Datasheet

200dpi Two Level Digital Output Module

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AMIS-710214: 200dpi Two Level Digital Output Module
Data Sheet
1.0 General Description
The AMIS-710214 (PI214MC-DR) is a contact image sensor (CIS) module with an additional on-board circuit that digitizes the analog
pixels from the CIS image sensor to a “background-tracking”, two-level digital output signal. It is based on AMI Semiconductor’s CIS
module that employs MOS image sensor technology to gain its high-speed performance and high sensitivity. The AMIS-710214 is
suitable for scanning documents with width of 216mm and with resolution of 8 dots per millimeter (dpm). It has broad applications, but
is specially designed for the following areas:
Where data compression is required, such as in data transmissions.
Where component pin-out count must be kept to a minimum.
The background-tracking-digitizing circuits in the AMIS-710214 have been referred to as the “dynamic threshold” two-level A/D
converter. For the purpose of describing the module’s characteristics this “dynamic threshold” processing circuit shall herein be referred
to as the “tracking digitizer”.
2.0 Key Features
Light source, lens and sensor are integrated into a single module
8dpm resolution, 216mm scanning length
Up to 440µsec/line scanning speed, with 4.0MHz pixel rate (See Table 3, Note 2)
Wide dynamic range
Two-level tracking digital output (“Dynamic Threshold Digitizer”)
Red (660nm) light source (other colors are available)
Compact size 19.5mm x 21.5mm x 232mm
Low power
Light weight
3.0 Module Description
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Figure 1: Block Diagram of AMIS-710214
AMI Semiconductor – May 06, M-20539-001
www.amis.com
1




AMI SEMICONDUCTOR

AMIS-710214 Datasheet Preview

AMIS-710214 Datasheet

200dpi Two Level Digital Output Module

No Preview Available !

AMIS-710214: 200dpi Two Level Digital Output Module
Data Sheet
The AMIS-710214 module consists of 27 sensors that are cascaded to provide 1728 photo-detectors with their associated multiplex
switches and a digital shift register that controls its sequential readout. Mounted in the module is a one-to-one graded-indexed micro
lens array that focuses the scanned documents to image onto its sensing plane. A buffer amplifier amplifies the video pixels from the
image sensors and passes them to analog digitizing circuit, where video pixels are converted to digital signal and passed to output of
the module. See Figure 1.
Illumination is accomplished by means of an integrated LED light source. All components are housed in a small plastic housing, which
has a cover glass, which acts as the focal point for the object being scanned and protects the imaging array, micro lens assembly and
LED light source from dust. The pictorial of AMIS-710214 cross section is shown in Figure 2.
Figure 2: Inside Pictorial of the Module
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I/O to the module is a 2 x 2mm 16-pin unshrouded connector (see I/O pin assignment, under Specifications) located on one end of the
module (see module drawing).
AMI Semiconductor – May 06, M-20539-001
www.amis.com
2


Part Number AMIS-710214
Description 200dpi Two Level Digital Output Module
Maker AMI SEMICONDUCTOR
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