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AMIS-710225: 200dpi CIS Module
Data Sheet
1.0 General Description
The AMIS-710225 (PI225MC-A6) is a contact imaging sensor (CIS) module, which is composed of 13 AMIS-720220 (PI3020) sensor chips. The AMIS-720220 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 high-speed performance and high sensitivity. The AMIS-710225 is suitable for scanning A6 size (104mm) documents with 8 dots per millimeter (dpm) resolution. Applications include ticket, check and card scanners, variety of mark readers, and other automation equipment.
2.0 Key Features
* * * * * * * * * Light source, lens and sensor are integrated into a single module 8dpm resolution, 104mm scanning length High speed page scan - up to 167sec/line @ 5MHz pixel rate Wide dynamic range Analog output Red LED light source Compact size 14mm x 19mm x 120mm Low power Light weight
3.0 Functional Description
The AMIS-710225 imaging array consists of 13 sensors that are cascaded to provide 832 photo-detectors with their associated multiplex switches, and a digital shift register that controls its sequential readout. Mounted in the module is one-to-one graded indexed micro lens array that focuses the scanned documents to image onto its sensing plane. The on-board amplifier processes the video signal to produce a sequential stream of video at the video output pin of the AMIS-710225 module. 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. I/O to the module is the 10-pin connector located on one end of the module. The cross section of the AMIS-710225 is shown in Figure 1 and the block diagram in Figure 2.
AMI Semiconductor - May 06, M-20561-001 www.amis.com
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AMIS-710225: 200dpi CIS Module
Data Sheet
Figure 1: Inside Pictorial of the Module
Figure 2: AMIS-710225 Module Block Diagram
AMI Semiconductor - May 06, M-20561-001 www.amis.com
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AMIS-710225: 200dpi CIS Module
Data Sheet
Table 1: Pin Configuration Pin Number 1 2 3 4 5 6 7 8 9 10
Symbol Vout Gnd Vdd (+5V) Vn (-5V to -12V) Gnd SP Gnd CP GLED VLED
Names and Functions Analog video output Ground; 0V Positive power supply Negative power supply Ground; 0V Shift register start pulse Ground; 0V Sampling clock pulse Ground for the light source; 0V Supply for the light source
4.0 Absolute Maximum Rating
Table 2: Absolute Maximum Rating Parameter Power supply voltage
Input clock pulse (high level) Input clock pulse (low level)
Symbols Vdd Idd Vn In VLED ILED Vih Vil
Maximum Rating 7.5 40 -15 15 5.5 500 Vdd - 0.5 -0.6
Units V ma V ma V ma V V
Table 3: Operating Environment Parameter Operating temperature Operating humidity Storage temperature Storage humidity
Symbols Top Hop Tstg Hstg
Maximum Rating 0 to 50 10 to 85 -25 to +75 5 to 95
Units C % C %
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AMIS-710225: 200dpi CIS Module
5.0 Electro-Optical Characteristics (25C)
Table 4: Electro-Optical Characteristics (25 C) Parameter Number of photo detectors Pixel-to-pixel spacing Line scanning rate Clock frequency (3) Bright output voltage Bright output non-uniformity (5) Adjacent pixel non-uniformity (6) Dark non-uniformity Dark output voltage (7) Modulation transfer function
Definitions: 1. 2. 3. 4. 5. 6.
(4) (2)
Data Sheet
Symbol
(1)
Tint
Parameter 832 125 180 5 1.0 <+/-30 <25 <20 <200 >50
Units Elements m sec MHz V % % mV mV %
Note
Tested @ 5MHz clock frequency Test at Tint = 180us
f Video output Up Uadj Ud Vd MTF
See Note 7 for MTF & DOF
7.
8. 9.
Tint: Line scanning rate or integration time int is determined by the interval of two start pulses (SP). The module was test at 180us, but it will operate to 167us with clocking speed of 5.0MHz. f: main clock frequency he module was tested at 5.0MHz, but electrically it reliably operates above 5.0MHz, but with a minimum integration time of 167sec. Vpavg = Vp(n)/832 Up = [(Vpmax - Vp) / Vp] x 100% or [(Vp - Vpmin) / Vp] x 100% Upadj = MAX[ | (Vp(n) - Vp(n+l) | / Vp(n)] x 100% Upadj is the non-uniformity percentage pixel to pixel Ud = Vdmax - Vdmin Vdmin is the minimum output on a black document (O.D.=0.8) Vdmax: maximum output voltage of black document (O.D.= 0.8) MTF = [(Vmax - Vmin) / (Vmax + Vmin)] x 100 [%]. DOF range is defined with the MTF MTF is measured at glass surface and at 0.4mm from the glass > 50 percent and peaks at approximately mid-point of 0.2mm. Vmax: maximum output voltage at 50 lp/inch (At 1/2 of the optical Nyquest Frequency) Vmin: minimum output voltage at 50lp/inch O.D. = optical density lp / inch: line pair per inch
Table 5: Recommended Operating Conditions (25C) Item Symbol Power supply Vdd Vn. VLED Idd In ILED Input voltage at digital high Vih Input voltage at digital low Vil Clock frequency f Clock pulse high duty cycle Clock pulse high duration (3) Integration time Tint Operating temperature Top
Notes: 1. 2. 3.
Min. 4.5 -4.5
Vdd-1.0 0 25 50 0.167
Mean 5.0 -5 5 30 6 300 Vdd-.5
(1)
Max. 5.5 -12 5.5 40 15 450 Vdd 0.6 (2) 5.0
25
5.0 50
Units V V V ma ma ma V V MHz % ns ms C
Tested at 5.0MHz and 180us Also used as test frequency Tint (Min) is the lowest line integration time available at 5.0MHz clock rate
AMI Semiconductor - May 06, M-20561-001 www.amis.com
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AMIS-710225: 200dpi CIS Module
6.0 Switching Characteristics (25C)
Data Sheet
Figure 3: Clock and Start Pulse Timing Diagram
The switching characteristics for the I/O clocks are shown in Figure 3. Its corresponding definition for the timing symbols are given in Table 6.
Table 6: Symbol Definition for the Above Timing Diagram Item Symbol Clock cycle time to Clock pulse width tw Clock duty cycle Prohibit crossing time of SP tprh Data setup time tds Data hold time tdh Signal delay time tdl Signal settling time tsh
Min. 0.2 50 25 15 20 20 50 120
Typ.
Max. 4.0 75
Units s ns % ns ns ns ns ns
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AMIS-710225: 200dpi CIS Module
7.0 AMIS-710225 Module and its Mechanical Dimensions
Data Sheet
The sketch of this module is to provide a pictorial of the module size and structure. A detailed drawing is available upon request.
Figure 4: Pictorial of the Plastic Standard A6 Housing Size
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AMIS-710225: 200dpi CIS Module
8.0 Company or Product Inquiries
Data Sheet
For more information about AMI Semiconductor, our technology and our product, visit our Web site at: http://www.amis.com North America Tel: +1.208.233.4690 Fax: +1.208.234.6795 Europe Tel: +32 (0) 55.33.22.11 Fax: +32 (0) 55.31.81.12
Production Technical Data - The information contained in this document applies to a product in production. AMI Semiconductor and its subsidiaries ("AMIS") have made every effort to ensure that the information is accurate and reliable. However, the characteristics and specifications of the product are subject to change without notice and the information is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify that data being relied on is the most current and complete. AMIS reserves the right to discontinue production and change specifications and prices at any time and without notice. Products sold by AMIS are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. AMIS makes no other warranty, express or implied, and disclaims the warranties of noninfringement, merchantability, or fitness for a particular purpose. AMI Semiconductor's products are intended for use in ordinary commercial applications. These products are not designed, authorized, or warranted to be suitable for use in life-support systems or other critical applications where malfunction may cause personal injury. Inclusion of AMIS products in such applications is understood to be fully at the customer's risk. Applications requiring extended temperature range, operation in unusual environmental conditions, or high reliability, such as military or medical life-support, are specifically not recommended without additional processing by AMIS for such applications. Copyright (c) 2006 AMI Semiconductor, Inc.
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