AMIS-710414

AMIS-710414-A4: 400dpi CIS Module Four Parallel Video Outputs for RED + IR Light Source Data Sheet 1.0 General Description The AMIS-710414-A4 (PI414MC-A4-R) is a contact image sensor (CIS) module, which uses MOS image sensor technology for highspeed performance and high sensitivity. The AMIS-710414-A4 is suitable for scanning A4 size (216mm) documents with 15.8 dots per millimeter (dpm) resolution. Applications include fax machines, game systems, a 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 15.8dpm resolution, 216mm scanning length Dual LED light source, RED and IR, with a line scan time to 180µsec @ 5MHz Wide dynamic range Analog output Compact size ≅ 14.0mm x 19.5mm x 232mm Low power Light weight 3.0 Functional Description The AMIS-710414-A4 imaging array consists of 27 AMIS-720642 (PI3042) sensors, produced by AMI Semiconductor, 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 on the image of the scanned documents then transfers it onto the sensors. The on-board amplifier processes the video signal to produce a sequential stream of video at the output pin of the AMIS-710414-A4 module. These 27 sensors bonded on a printed circuit board (PCB) are grouped into four sub-cascaded sections. Each contiguously cascaded chip section is connected on separate video lines, accordingly providing four video outputs, VOUT1, VOUT2, VOUT3, and VOUT4. Before the signal charges from the four video lines appear at their respective outputs, they are converted to signal voltages by four on-board buffer amplifiers; one for each of its corresponding video sections. The first three sections, VOUT1, VOUT2 and VOUT3 have seven sensor chips, while the VOUT4 has six sensor chips. Since each sensor chip has 128 pixels, there are a total of 3456 pixels (see Figure 1). Illumination is accomplished by means of integrated LED sources; Red (65nm) and IR (880nm). 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) to and from the module are facilitated by a 12-pin connector, EBW-PK23-P012L2-3Z, located on one end of the module. For the location of Pin 1, see Figure 4. The cross section of the AMIS-710414-A4 module is shown in Figure 1 and a block diagram in Figure 2. AMI Semiconductor – Aug. 06, M-20612-001 www.amis.com 1 AMIS-710414-A4: 400dpi CIS Module Four Parallel Video Outputs for RED + IR Light Source Data Sheet Figure 1: AMIS-710414-A4 Cross Section Figure 2: AMIS-710414-A4 Module Block Diagram AMI Semiconductor – Aug. 06, M-20612-001 www.amis.com 2 AMIS-710414-A4: 400dpi CIS Module Four Parallel Video Outputs for RED + IR Light Source Data Sheet 4.0 Connector Pin Out Designation The part number for the connector is EBW-PK23-P012L2-3Z. Table 1: Pin-out Configuration Pin Number Symbol 1 VOUT1 2 VOUT2 3 GND 4 VOUT 3 5 VOUT 4 6 Vdd (+5V) 7 SP (START) 8 GLED IR 9 CP (CLOCK) 10 Vn (-5V to -12V) 11 GLED RED 12 VLED Names and Functions Analog video output 1 Analog video output 2 Ground; 0V Analog video output 3 Analog video output 4 Positive power supply Shift register start pulse Ground for IR light source; 0V Sampling clock pulse Negative power supply Ground for the RED light source; 0V Supply for the light source 5.0 Maximum Ratings Table 2: Maximum Rating Parameter Power supply voltage Input clock pulse (high level) Input clock pulse (low level) Symbols Vdd Idd Vn In VLED IR VLED RED ILED IR ILED RED Vih Vil Maximum Rating 7 100 -15 35 5.5 5.5 650 500 Vdd -0.5 Units V mA V mA V V mA mA V V Note: These are the maximum ratings and are not to be used in a prolonged condition. 6.0 Operating Environment Table 3: Operating Environment Parameter Operating temperature Operating humidity Storage temperature Storage humidity Symbol Top Hop Tstg Hstg Range 0 to +50 +10 to +85 -25 to +75 +5 to +95 Units ° C % ° C % AMI Semiconductor – Aug. 06, M-20612-001 www.amis.com 3 AMIS-710414-A4: 400dpi CIS Module Four Parallel Video Outputs for RED + IR Light Source Data Sheet 7.0 Electro-Optical Characteristics The tabled values are measured at 25°C. Table 4: Electro-Optical Characteristics Parameter Total number of photo detectors Section 1, 2 & 3 number of photo detectors Section 4 number of detectors Pixel-to-pixel spacing (1) Line scanning rate (2) 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 (7) Modulation transfer function Notes: (1) (2) (3) (4) (5) (6) Symbol Typ. 3456 896 768 63.5 180 5.0 1.1 +/-0.15 +/-30