AMIS-710240

AMIS-710240: 200dpi CIS Module Data Sheet 1.0 General Description The AMIS-710240 (PI240MC-A4) is a contact imaging sensor (CIS) module composed of 1728 AMIS-720033 (PI3020) sensor chips. The AMIS-720033 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-710240 is suitable for scanning A4 size (21mm) documents with 8 dots per millimeter (dpm) resolution. Applications include variety of document scanners, variety of mark readers and other automation equipment. 2.0 Key Features • • • • • • • • • • Inverted video signals (magnitude increases in a negative direction) Light source, lens and sensor are integrated into a single module 8dpm resolution 216mm scanning length 0.347ms/line scanning speed, operated @ 5.0MHz Wide dynamic range analog output 660nm light source Compact size: ≈ 14mm 19.5mm x 232mm Low power Light weight 3.0 Functional Description The AMIS-710240 imaging array consists of 27 chips that are cascaded to provide 1728 photo-detectors with their associated multiplex switches and a digital shift register that controls its sequential readout. Mounted in the module is a 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-710240 module. Figure 1: AMIS-710240 Cross Section AMI Semiconductor –May 06, M-20546-001 www.amis.com 1 AMIS-710240: 200dpi CIS Module Data Sheet 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 that 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-710240 is shown in Figure 1 and the block diagram in Figure 2. Figure 2: AMIS-710240-A4 Module Block Diagram 4.0 Recommended Operating Conditions (25°C) Table 1: Recommended Operating Conditions (25°C) Item Symbol Power supply Vdd Idd Vn Ivn VLED ILED Video output level Vid Input voltage at digital high Vih Input voltage at digital low Vil Clock frequency F Clock pulse high duty cycle Clock pulse high duration (1) Integration time Tint Operating temperature Top Note: 1. Tint is determined by the time interval between two SP. The longest integration time is determined by the degree of leakage current degradation that can be tolerated by the system. A 10ms maximum is a typical rule-of-thumb, thus the experienced CIS user can use his discretion in determining the integration time. Min. 4.5 24 -4.5 5 4.5 305 0.8 Vdd -1.0 0 25 50 0.346 Typ. 5.0 30 -5 6 5.0 430 1.0 Vdd -0.5 3.0 Max. 5.5 35 -15 8 5.5 560 1.2 Vdd 0.8 5.0 0.6 25 10.0 50 Units V ma V ma V ma V V V MHz % ns ms ° C AMI Semiconductor –May 06, M-20546-001 www.amis.com 2 AMIS-710240: 200dpi CIS Module 5.0 Electro-Optical Characteristics (25°C) Table 2: Electro-Optical Characteristics (25°C) Parameter Number of photo detectors Pixel-to-pixel spacing (1) Line scanning rate Data Sheet Symbol Tint Parameter 1728 125 347 Units Elements µm µsec Note @ 5.0MHz clock frequency Clock frequency (3) Bright output voltage (4) Bright output non-uniformity (5) Adjacent pixel non-uniformity (6) Dark non-uniformity (6) Dark output voltage (7) Modulation transfer function Definition: 1. 2. 3. 4. 5. 6. (2) Freq Vp Up Uadj Ud Vd MTF 5.0 1.0