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PDF AMIS-710208-A7 Data sheet ( Hoja de datos )
| Número de pieza | AMIS-710208-A7 | |
| Descripción | 200dpi CIS Module | |
| Fabricantes | AMI SEMICONDUCTOR | |
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AMIS-710208-A7: 200dpi CIS Module
Data Sheet
1.0 General Description
The AMIS-710208-A7 (PI208MC-A7) is a contact image sensor (CIS) module containing contact image sensors, using MOS image
sensor technology for high-speed performance and high sensitivity. The AMIS-710208-A7 is designed to scan documents with a short
read length of 88mm. The module produces a single stream of sampled analog video proportional to images of a single horizontal line
scan that is stepped vertically down a document page with a resolution of 8 dots per millimeter (dpm) and a width of 88mm.
Applications include fax machines, game systems, variety of mark readers, and other automation equipment requiring document
scanners.
2.0 Key Features
• Light source, lens and sensor are integrated into a single module
• 8dpm resolution, 88mm scanning length
• Up to 176µsec/line scanning speed, with 4MHz pixel rate (see Table 3, Note 2)
• Wide dynamic range
• 660nm light source
• Compact size ≅ 13mm x 25.6mm x 102mm
• Low-power
• Light weight
3.0 Functional Description
The AMIS-710208-A7 imaging array consists of 11 AMIS-720233 (PI3033B) sensors, produced by AMIS, which are cascaded together
to provide 704 photo-detectors (pixels) with their associated multiplex switches, and a digital shift register that controls its sequential
readout. Each sensor is sequentially connected to initiate its scanning process at completion of its predecessor’s scan.
wwMwo.DunattaeSdhienett4hUe.cmomodule is a one-to-one graded-indexed micro lens array that focuses the image to be scanned onto the linear array
pixels. The incident image is converted to an electrical signal and then the charge on each pixel is transferred to a common video line.
The charge on each pixel is then converted to a voltage by a single video amplifier. The module output is then available on Pin 1 of the
connector, Vout.
Illumination is by means of an integrated LED light source. All components are housed in a small plastic housing which has a cover
glass that acts as the focal point for the object being scanned. In addition, it protects the imaging array, micro lens assembly and LED
light source from dust.
Inputs and outputs (I/O’s) to and from the module are by an 8-pin connector, located on one end of the module. A cross-section of the
AMIS-710208-A7 module is shown in Figure 1 and a block diagram in Figure 2.
AMI Semiconductor – Jan. 06, M-20507-001
www.amis.com
1
1 page  
AMIS-710208-A7: 200dpi CIS Module
Data Sheet
8.0 Recommended Operating Conditions
Table 5 lists the recommended operating conditions at 25°C
Table 5: Recommended Operating Conditions at 25°C
Parameter
Power supply
Input voltage at digital high
Input voltage at digital low
Clock frequency
Clock pulse high duty cycle
Clock pulse high duration
Integration time (1)
Line scan rate (2)
Clock frequency (3)
Bright output voltage (4)
Operating temperature
Symbol
Vdd
Vn
VLED
Idd
Ivn
ILED
Vih
Vil
Fclk
Clock
Tint
Tint
Fclk
Vpavg
Top
Min.
4.5
-5.5
4.5
22
4
100
Vdd -1.0
0
25
62.5 (1)
0.145(2)
Typ.
5.0
-5.0
5.0
25
5
150
Vdd - 0.5
4.0
176
4.0
1.65 +/-0.05
25
Max.
5.5
-4.5
5.5
27
6
200
Vdd
0.8
5.0
µsec
50
Units
V
V
V
mA
mA
mA
V
V
MHz
%
ns
ms
@ 4.0MHz clock frequency
MHz
Volts
°C
Notes:
1.
2.
3.
4.
The minimum tint is specified with the maximum 5.0MHz clock frequency.
Tint is the line scan rate or integration time. It is the time between two start pulses. Hence, the minimum integration time is fixed by the highest clock frequency.
Here it is specified with a 4.0MHz clock frequency.
Fclk is the main clock frequency, as is the pixel rate. Although the specification uses 4.0MHz, the module operates up to a maximum clock frequency of 5MHz.
Vpavg = Σ Vp(n) / 704; where Vp is the pixel amplitude in volts and where n is sequential pixel number in one line scan.
www.DataSheet4U.com
AMI Semiconductor – Jan. 06, M-20507-001
www.amis.com
5
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