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PDF AMIS-710651-A4 Data sheet ( Hoja de datos )
| Número de pieza | AMIS-710651-A4 | |
| Descripción | CIS Module | |
| Fabricantes | AMI SEMICONDUCTOR | |
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AMIS-710651-A4: Color CIS Module
Data Sheet
1.0 Description
The AMIS-710651-A4 (PI651MC-A4C) is a color contact image sensor (CIS) module. The module contains 15 image-sensor chips,
AMIS-720058 (PI6058E), a product of AMI Semiconductor. These chips are sequentially cascaded to provide a line array of photo-
detectors. Each photo-detector in the image sensor possesses its own independent processing circuit. As the photo-sensors’ digital
shift register scans the image sensor chip, it sequentially produces the video signals at the output of the image array. The AMIS-
710651-A4’s mechanical outline drawing is shown in Figure 6.
2.0 Key Features
• 600 and 300dpi selectable resolutions
• 23.6dpm and 11.8dpm, 216mm scanning length
• 344 or 172 image sensor elements (pixels)
• Low power-single power supply at 3.3V
• Light source, lens and sensor are integrated into a single module
• High speed page scan - up to 1.30msec/line @ 4MHz pixel rate
• Analog output
• RGB color LED light source
• Compact size ≅ 12.3mm x 18.9mm x 23mm
• Light weight
3.0 Overview
The AMIS-710651-A4 has a 216mm read width. Its minimum line rate is 1.30ms/line with a maximum clock pulse (CP) equal to 4.0MHz
(pixel rate (PRATE) of 4.0MHz). Unless stated otherwise, all data was taken with CP = 3.0MHz (PRATE = 3.0MHz) and an integration
time of 1.75ms/line. The sensor photo-site density is 23.64elements/mm. The module has one analog video output, two clock inputs,
clock and start pulse (CP and SP), one reference voltage input for the amplifier output bias level control, one power supply input and
four LED inputs.
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4.0 Scan Overview
Table 1 describes a scan overview.
Table 1: Scan Overview
Parameter
Specification
Note
Read width
216mm
Sensor photo-site density
42.3 elements/mm
600dpi
84.7 elements/mm
300dpi
Active photo elements
Line read time (1)
Clock frequency (1)
Pixel rate (1)
5160 elements
~ 1.30ms/line
4.0MHz
4.0MHz
Tested @ 4.0MHz (PRATE)
Max. rate
Max. rate
Note:
Since the light power is fixed, if the line-scan rate is set proportional to the clock rate, then the integration time reduces as the clock frequency is increased, hence its
exposure. The reduction in the exposure proportionately reduces the video output. Accordingly, the signal-to-noise ratio reduces as the frequency increased.
AMI Semiconductor – Aug. 06, M-20609-001
www.amis.com
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1 page  
AMIS-710651-A4: Color CIS Module
Data Sheet
CLK
GBST
VOUT
SI/SO
CLKpw
CLKpw
Thold
Tset
CLKp
50%
GBSTrt
GBSTft
Prt
90%
50%
SI/SOrt
Figure 3: Rise and Fall Times for both the 600/300dpi Modes
50%
CLKrt
CLKft
SI/SOft
CLK
Thold
12
Thold
3
GBST
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Tset
Tset
82 83 84 85
Video Signal (Vout)
1
2
3
82 83 84
Figure 4: Timing of GBST-to-First Pixel of the First Sensor for both the 600/300dpi Modes
85
AMI Semiconductor – Aug. 06, M-20609-001
www.amis.com
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