PI625MC-A6 AMI | Alldatasheet
Document overview
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- PDF pages: 7
Technical content
- Light source, lens, and sensor are integrated into a single module
- 23.62 dots/mm resolution, 104 mm scanning length
- Up to 500 µsec/line scanning speed, with 5MHz pixel rate
- Wide dynamic range
- Analog output
- Red 660 nm LED light source
- Compact size @ 14 mm x 19.5 mm x 120 mm
- Low power
- Light weight General Description The PI625MC-A6 is a contact-imaging sensor, CIS, module, which is composed of 13 PI3039 sensor chips. The PI3039 is a 600 DPI solid-state line imaging array, also a product of Peripheral Imaging Corporation. This imaging device is fabricated using MOS imaging sensor technology for high-speed performance and high sensitivity. The PI625MC-A6 is suitable for scanning A6 size (104 mm) documents with 23.62 dots per millimeter resolution. Applications include ticket, check and card scanners, variety of mark readers, and other automation equipment. Functional Description The PI625MC-A6 imaging array consists of 13 sensors that are cascaded to provide 2496 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 PI625MC-A6 module. Illumination is 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. PAGE 1 OF 7 - PI625MC-A6, 11/03/03 Peripheral Imaging Corporation
Connector is JAE part number 1L-Z-10P-S125L3-E.
1 Vout Analog video output
2 Gnd Ground; 0V
3 Vdd (+5V) Positive power supply
4 Vn (-5V to –12V) Negative power supply
5 Gnd Ground; 0V
6 SP Shift register start pulse
7 Gnd Ground; 0V
8 CP Sampling clock pulse
9 GLED Ground for the light source; 0V
10 VLED Supply for the light source
Table 1. Pinout Configuration Table 2. Maximum Rating Table 3. Operating Environment
Table 4. Electro-Optical Characteristics at 25° C
- Tint: Tint is the line scanning rate or integration time. Tint is determined by the interval of two SP's;
- fclk: fclk is the main clock frequency.
Vd = the average dark output level. Vdmin is the minimum output voltage on a black document (LED is turned off). Vdmax is the maximum output voltage on a black document (LED is turned off). where lp/in is the line pairs per inch. Up: Up = [(Vpmax - Vpavg) / Vpavg] x 100% or [(Vpavg - Vpmin) / Vpavg] x 100%. MTF: MTF = [(Vpmax - Vpmin) / (Vpmax + Vpmin)] x 100 [%]; tested on a 300 lp/inch target.
Table 5. Recommended Operating Conditions at 25º C
- Electrically, including the image sensors, the circuits will operate above 5.5 MHz with Tint at 455 µs.
However the light power is fixed, hence with the shorter integration time, the exposure is reduced.
- The listed values are measured at ~25oC
Figure 3. Timing Diagram Table 6. Timing Symbol Definitions for Figure 3 Timing Diagram
This is an overview drawing of the module. A full size drawing is available upon request. Figure 4. Overall View of the Module Housing