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PDF AMIS-710214 Data sheet ( Hoja de datos )
| Número de pieza | AMIS-710214 | |
| Descripción | 200dpi Two Level Digital Output Module | |
| Fabricantes | AMI SEMICONDUCTOR | |
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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
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AMIS-710214: 200dpi Two Level Digital Output Module
Data Sheet
Table 3: Recommended Operating Conditions (25°C)
Item
Symbol
Min.
Mean
Max.
Units
Power supply
Vdd 5.0 V
Vn. -5.0 V
VLED
5.0 V
Idd 350 mA
Ivn 20 mA
ILED
390 450 mA
Input voltage at digital high
Vih
Vdd-1.0
Vdd-0.5
Vdd
V
Input voltage at digital low
Vil 0
0.8 V
Clock frequency
f
4.0 MHz
Clock pulse high duty cycle
Clock pulse high duration
Integration time
Operating temperature
Clock
Tint
Top
25
62.5 (1)
0.440(2)
25
%
ns
ms
50 °C
Notes:
1. Clock pulse high is specified at 4.0MHz at 25 percent duty.
2. The tint is specified with a 4.0MHz clock frequency. In operation the time constants in the reference generator are set to match the initial exposure time, hence the
time constant of the reference generator will determine the optimum integration time. Accordingly it is highly recommended that the parameters be factory adjust
for the specific applications.
7.0 Switching Characteristics (25°C)
The switching characteristics for the I/O clocks are shown in Figure 4. The timing parametric values and their symbols are given in
Table 4.
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Figure 4: Module Timing Diagram
AMI Semiconductor – May 06, M-20539-001
www.amis.com
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AMIS-710214.PDF ] | |
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