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AMIS-710400-A4: 400dpi CIS Module
Data Sheet
1.0 General Description
The AMIS-710400-A4 (PI400M-A4) is a contact image sensor (CIS) module. It is a long contact image sensor, using MOS image sensor technology for high-speed performance and high sensitivity. The AMIS-710400-A4 is suitable for scanning A4 size (216mm) documents with 15.7 dots per millimeter (dpm) resolution. Applications include document scanning, mark readers, gaming and office automation equipment.
2.0 Key Features
* * * * * * * * * Light source, lens and sensor are integrated into a single module 15.7dpm resolution, 216mm scanning length 700sec/line scanning speed @ 5.0MHz clock rate Wide dynamic range Analog output Yellow-Green light source 575nm Compact size 14.6mm x 19.5mm x 232mm Low power Light weight
3.0 Functional Description
The AMIS-710400-A4 imaging array consists of 27 sensors, which are cascaded to provide 3456 photo-detectors with their associated multiplex switches and a digital shift register, which controls its sequential readout. Mounted in the module is a one-to-one graded indexed micro lens array, which 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-710400-A4 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 (see Figure 4). The cross section of the AMIS-710400-A4 is shown in Figure 1 and the block diagram in Figure 2.
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AMIS-710400-A4: 400dpi CIS Module
Data Sheet
Figure 1: AMIS-710400-A4 Cross Section
Figure 2: AMIS-710400-A4 Module Block Diagram (See Table 1 for Pin Configuration)
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AMIS-710400-A4: 400dpi 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)
Note: (1)
Symbols Vdd Idd Vn In VLED (1) ILED Vih Vil
Maximum Rating 10 60 -15 10 6 250 Vdd - 0.5 -0.5
Units V ma V ma V ma V V
The LED light source is for current-controlled operation. The output video is adjusted to a 1.0V maximum, using a standard white document - similar to white typing paper.
5.0 Environmental Specifications
Table 3: Operating and Storage Environment Parameter Symbols (1) Operating temperature Top (1) Operating humidity Hop (1) Storage temperature Tstg (1) Storage humidity Hstg
Note: (1) These are standard specifications for the CIS modules. The TBD is to show that these parameters will be tested later and added to our data sheet.
Maximum Rating 0 to 50 10 to 85 -25 to+75 5 to 95
Units C % C %
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AMIS-710400-A4: 400dpi CIS Module
6.0 Electro-Optical Specifications at 25C
Table 4: Electro-Optical Specifications at 25 C Parameter Number of photo detectors Pixel-to-pixel spacing Line scanning rate Clock frequency (3) Bright output voltage (4) Bright output non-uniformity (5) Dark non-uniformity (6) Dark output voltage (7) Modulation transfer function
Notes: (1) (2) (3) (4) (5)
(2)
Data Sheet
Symbol
Tint
(1)
Parameter 3456 63.5 864 4.0 1.0 <50 150 100 >30
Units Elements m sec MHz Volts % mV mV %
Note
@ 4.0MHz clock frequency
f Video output Up Ud Dark level MTF
(6) (7)
(8)
Tint: line scanning rate or integration time. Tint is determined by the interval between two start pulses (SP). f: main clock frequency, which also equals the video sampling frequency. The video output level is controlled with LED current source. Up = {[Vp(max) -Vp(min)]/Vp(max)}x100% Where VP(max) = maximum peak pixel and VP(min) = minimum pixel. Ud = Vdmax - Vdmin Vdmin is the minimum output voltage with LED off. Vdmax: maximum output voltage with LED off This level is measured from the reset level, which is located between the pixels during the pixel reset duration. The reset level is at ground, 0V. It can be adjusted with the offset potentiometer located on the module. MTF = [(Vp(n) - Vp(n+1)] / (Vp(n)+ Vp(n+1)] x 100 [%] Vp(n): nth maximum output pixel from a 8.0lp/mm target. V(n+1)th: (n+1)th minimum output pixel from a 8.0lp/mm target. lp / mm: line pair per mm
7.0 Recommended Operating Conditions (25C)
Table 5: Table 5: Recommended Operating Conditions (25 C) Item Symbol Power supply Vdd Vn. Idd ILED VLED Input voltage at digital high Vih Input voltage at digital low Vil Clock frequency f Clock pulse high duty cycle Clock pulse high duration Integration time Tint (1) Operating temperature Top
Note: (1) See the note under Table 3.
Min. 4.5 -4.5
Typ. 5.0 -5
Max. 5.5 -12 250
Vdd-1.0 0 0.5
+5.0 Vdd-.5 4.0 25 62.5 864 25
Vdd 0.8 5.0
50
Units V V ma ma V V V MHz % ns s C
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AMIS-710400-A4: 400dpi CIS Module
8.0 Switching Characteristics (25C)
Data Sheet
Figure 3: Module Timing Diagram
The switching characteristics (at 25C) for the I/O clocks are shown in Figure 3. For the timing symbol definitions see Table 6.
Table 6: Timing Symbol's Definition and Timing Values Item Symbol Clock cycle time to Clock pulse width tw Clock duty cycle (1) Prohibit crossing time of SP tprh Data setup time tds Data hold time tdh Signal delay time tdl Signal settling time tsh
Min. 0.20 50 25 0 20 0 20 100
Typ.
Max. 2.0 75
Units s ns % ns ns ns ns ns
Note: "Prohibit crossing of start pulse" is to indicate that the start pulse should not be active high between any two consecutive high going clock pulses or two consecutive low going clock pulses (see Figure 3). Only one high going clock under the active high start pulse initiates the internal shift register, and it must not be active over two high going clocks. All low going clock pulses will not initiate the shift register, but to ensure that the start pulse will not be actively high during two consecutive high going clocks, the circuit should be designed to keep the start pulse active only for one low going clock cycle.
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AMIS-710400-A4: 400dpi CIS Module
9.0 Mechanical Structure of the Module
For the dimensions of the AMIS-710400-A4 module see Figure 4.
Data Sheet
Figure 4: Mechanical Structure
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AMIS-710400-A4: 400dpi CIS Module
10.0 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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