AMIS-710229

AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet 1.0 General Description The AMIS-710227 (PI227MC-A4), AMIS-710228 (PI228MC-A4) and AMIS-710229 (PI229MC-A4) are a family of contact image sensor (CIS) modules. As a family group they are called AMIS-710227/228/229 modules. They are long-contact image sensor modules using MOS image sensor technology for high-speed performance and high sensitivity. They contain their own complete optical system including the light source; accordingly, they make a very compact imaging system. The four parallel video outputs give this family of CIS modules their high-speed performance. They all possess identical electrical circuit components, as well as the mechanical and optical components, except for their LED light sources. Accordingly, they differ in their specification because the different light sources limits the effective high-speed performance. The three modules are suitable for scanning A4 size (216mm) documents with 8 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 Ultra-high-speed Four parallel analog video outputs clocked at 5.0MHz 90µsec/line scanning speed @ 5.0MHz clock rate with optional light sources, selected from the option of three above modules 8dpm resolution, 216mm scanning length Wide dynamic range LED light source (selectable among the three above modules) Standard A4 size ≅ 14mm x 19mm x 232mm Low power Light weight 3.0 Functional Description Each of the three modules in the family, AMIS-710227/228/229, consists of four major components. The first of them is the printed circuit board (PCB) on which the 27 imaging chips, AMIS-720220 (PI3020), are bonded. These sensor chips, produced by AMI Semiconductor, are monolithic devices with 64 photo-sensing elements. Each of 27 chips are complete self-contained scanning chips and have their control circuits integrated in the chips, so that they can be cascaded to provide 1728 photo-element modules. The AMIS720220 chips are integrated with the photo sensors' associated multiplex switches, a digital shift register and chip selection switch. The chip's shift register sequentially clocks out the integrated image charges from each sensing element and passes them through the chipselect switch and out onto the video line. The chip-select switches are sequentially switched as each of the predecessor chips completes its scan. These 27 sensors, bonded on a PCB, are grouped into four sub-cascaded sections. Each contiguously cascaded chips section is connected on separate video lines, resulting in four video outputs VOUT1, VOUT2, VOUT3, and VOUT4. Before the signal, charges from the four video lines appear at their respective outputs where they are converted to signal voltages by four on-board buffer amplifiers, one for each of its corresponding video section. The first three sections VOUT1, VOUT2 and VOUT3 have seven sensor chips, while the VOUT4 has six sensor chips. Since each sensor chip has 64 pixels, there are a total of 1728 pixels. See Figure 1. AMI Semiconductor – May 06, M-20548-001 www.amis.com 1 AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet Figure 1: AMIS-710227/228/229 Module Block Diagram (See Table 4-A for Pin Out Designation) Mounted in the module housing along with the PCB is the second major component. It is a one-to-one graded indexed micro lens array that focuses the scanned documents' image onto the sensing line of the sensor chips. The third major component, mounted in the module, is the LED light source. See Figure 2. This pictorial cross section shows the LED bar light source and its illumination path as it reflects the image from the document and focuses through the ROD lens on to its image sensing line of the sensing chips. All components are housed in a small plastic housing and covered with the fourth major component, a glass window. This cover glass not only serves to protect all of the critical components within the housing from dust, but also serves a minor role in the optical system. Together with rest of the module's optical system, the module is adjusted to obtain the optimum depth-of-focus. See Section 10: MTF Graph and its Discussion. AMI Semiconductor – May 06, M-20548-001 www.amis.com 2 AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet Figure 2: AMIS--710227/228/229's Cross Section AMI Semiconductor – May 06, M-20548-001 www.amis.com 3 AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet 4.0 I/O Designation I/O to the module is a 12-pin connector located on one end of the module. See Figure 6. Table 4-A lists the pin numbers and their designations for the I/O connector. It is JAE IL-Z-12P-S125L3-E connector. Table 4-A: Pin Configuration Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 Symbol VOUT1 VOUT2 GND VOUT3 VOUT4 Vdd SP (START) GND CP (CLOCK) Vn GLED 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; 0V Sampling clock pulse Negative power supply Ground for the light source; 0V Supply for the light source AMI Semiconductor – May 06, M-20548-001 www.amis.com 4 AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet 5.0 Module vs LED Light Source Table 5-A lists the LED light source associated with each module model Table 5-A: Module vs. LED Light Source Module AMIS-710227 AMIS-710228 AMIS-710229 LED Light Source 660nm Red LED bar High power Yellow-Green LED bar Low power Yellow-Green LED bar 6.0 Absolute Maximum Rating Table 6-A shows the absolute maximum ratings. The parameters are common to all three modules. Table 6-B shows the absolute maximum ratings that are different among the three modules. Table 6-A: Electrical Absolute Maximum Rating Parameter Symbols Power supply Vdd Idd Vn In Input clock pulse (high level) Vih Input clock pulse (low level) Vil Maximum Rating 7 100 -15 35 Vdd – 0.5 -0.5 Units V ma V ma V V Note: These parameters are absolute maximums; do not operate under these conditions. Table 6-B: LED Power Absolute Maximum Rating Parameter Symbols Power supply: LED light Module AMIS-710227 source VLED 6.0 ILED 0.7 Maximum Rating AMIS-710228 6.0 1.0 Units AMIS-710229 6.0 1.0 V amp Note: These parameters are absolute maximums; do not operate under these conditions. AMI Semiconductor – May 06, M-20548-001 www.amis.com 5 AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet 7.0 Environmental Specifications Table 7-A: 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. Maximum Rating 0 to 50 10 to 90 -20 to +75 10 to 90 Units ° C % ° C % AMI Semiconductor – May 06, M-20548-001 www.amis.com 6 AMIS-710227, AMIS-710228, AMIS-710229: 200dpi CIS Module Data Sheet 8.0 Electro-Optical Characteristics (25°C) Table 8-A is the electro-optical characteristics common all three modules. Table 8-B, Table 8-C and Table 8-D show the different characteristics for each of the three LED light sources. Table 8-A: Common Electro-Optical Characteristics Parameter Symbol Total number of photo detectors Section 1, 2 & 3 number of photo detectors Section 4 number of detectors Pixel-to-pixel spacing Value 1728 448 384 125 Units Elements Elements Elements µm Notes Table 8-B: AMIS-710227 Electro-Optical Characteristics AMIS-710227 660 RED LED Parameter Symbol (1) Line scanning rate Tint Clock frequency (3) Bright output voltage (4) Bright output non-uniformity (5) Dark non-uniformity (6) Dark output voltage Modulation transfer function See notes below Table 8-D (7) (2) Value 90 5.0 1.0