AMIS-710239 - AMI Semiconductor, Inc.

AMIS-710239-A3: 200dpi CIS Module Data Sheet

1.0 General Description

The AMIS-710239-A3 (PI239MC-A3-R) is a contact image sensor (CIS) module. It is a long contact image sensor, which uses MOS

image sensor technolog y for high speed performance. T he AMIS-710239- A3 is suitable for scanning A 3 size (307mm) documents with

eight dots per millimeter (dpm) resolution. Henc e, there are 38 AMIS-720233 (PI3033B) image sensors in the module, provid ing a total

of 2432 pixels in a sequence. The sensors are 200 dots per inch (dpi) solid-state line imaging array, also a product of AMI

Semiconductor. Applications inclu de document scanners, mark readers and other office automation equipment.

2.0 Key Features

• Light source, lens and sensor are integrated into a single mo dule

• 8dpm resolution, 307mm scanning read length

• High speed page scan - up to 490µsec/line @ 5MHz pixel rate

• Wide dynamic range

• One analog output

• Super super Red (630nm) LED light source

• Compact size ≅ 20.5mm x 21.5mm x 324mm

• Low power

• Light weight

3.0 Functional Description

The AMIS-710239-A3 im agi ng arra y c ons ists of 38 s ens or chips in th e mo dule, which are sequenti all y c ascaded to prov ide 24 32 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-on e graded indexed micro lens arra y, which foc uses the scanned documents to image onto its s ensing plane. T he

on-board amplif ier processes the video signal to produce a sequential stream of video at the vid eo output pin.

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 acti ng as the focal point f or the object being scanned and protects the imaging array, micro lens assembly an d LED

light source from dust. I/O to the module is the 10-pin connector, located on one end of the module. The cross section of the AMIS-

710239-A3 is shown in Figure 1 and the block diagram in Figure 2.

AMI Semiconductor – Aug. 06, M-20610-001

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AMIS-710239-A3: 200dpi CIS Module Data Sheet

Figure 1: AMIS-710239-A3 Cross Section

Figure 2: AMIS-710239-A3 Module Block Diagram

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AMIS-710239-A3: 200dpi CIS Module Data Sheet

Table 1: Pin Configuration

Pin Number Symbol Names and Functions

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

4.0 Absolute Maximum Rating

Table 2: Absolute Maximum Rating

Parameter Symbol Maximum Rating Units

Vdd 7.5 V

Idd 90 ma

Vn -15 V

In 15 ma

VLED 5.5 V

Power supply voltage

ILED 1200 ma

Input clock pulse (high level) Vih Vdd – 0.5V V

Input clock pulse (low level) Vil -0.6 V

Note: These parameters are absolute maximums and are not for operation. Extended operation may cause catastr ophic failure.

5.0 Operating Environment

Table 3: Operating Environment

Parameter Symbol Range Units

Operating temperature Top 0 to 50 °C

Operating humidity Hop 10 to 85 %

Storage temperature Tstg -25 to +75 °C

Storage humidity Hstg 5 to 95 %

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AMIS-710239-A3: 200dpi CIS Module Data Sheet

6.0 Electro-Optical Characteristics (25°C)

Table 4: Electro-optical characteristics at 25°C.

Parameter Symbol Parameter Units Note

Number of photo detectors 2432 Elements

Pixel-to-pixel spacing 125 µm

Line scanning rate Tint(1) 490 µsec @ 5MHz clock frequency

Clock frequency(2) f 5 MHz

Bright output voltage(3) Video output 1.0 +/- 0.1 V @ Tint=490us

Bright output non-uniformity(4) Up <+/-30 %

Adjacent pixel non-uniformity(5) Uadj <25 %

Dark non-uniformity(6) Ud <100 mV

Dark output voltage Vd <200 mV

Modulation transfer function(7) MTF >50 % See Note 7 for MTF & DOF

Notes:

(1) Tint: line scanning rate or integration time. Tint is determined by the interval of two start pulses (SP). The module shall be tested at 490us, but it will operate to us

with a clocking speed of 5.0MHz.

(2) f: main clock frequency. The module was tested at 5.0MHz, but electrically it reliably operates above 5.0MHz.

(3) Vpavg = ∑ Vp(n)/2432

(4) Up = [(Vpmax - Vp) / Vp] x 100% or [(Vp - Vpmin) / Vp] x 100%

(5) Upadj = MAX[ | (Vp(n) - Vp(n+l) | / Vp(n)] x 100%

Upadj is the non-uniformity percentage pixel to pixel

(6) (6) Ud = Vdmax – Vdmin

Vdmin is the minimum output on a black document (O.D. = 0.8)

(7) Vdmax: maximum output voltage on a black document (O.D. = 0.8)

(7) MTF = [(Vmax - Vmin) / (Vmax + Vmin)] x 100 [%]. The DOF range is defined with the MTF. MTF is a measure at the glass surface and at 0.4mm from the

glass > 50 percent and peaks at approximately a mid-point of 0.2mm.

Vmax: maximum output voltage at 50lp/inch (at 1/2 of the optical Nyquest frequency)

Vmin: minimum output voltage at 50lp/inch

(8) O.D. = optical density

(9) lp / inch: line pair per inch

7.0 Recommended Operating Conditions (25°C)

Table 5: Recommended Operating Conditions at 25oC

Item Symbol Min. Mean(1) Max. Units

Vdd 4.5 5.0 5.5 V

Vn. -4.5 -5 -12 V

VLED 4.5 5 5.5 V

Idd 66 76 86 ma

In 5 10 15 ma

Power supply

ILED 550 800 1200 ma

Input voltage at digital high Vih Vdd-1.0 Vdd-0.5 Vdd V

Input voltage at digital low Vil 0 0.6 V

Clock frequency f 5.0(2) 5.5 MHz

Clock pulse high duty cycle 25 %

Clock pulse high duration 50 ns

Integration time Tint(3) 490 5000 µs

Operating temperature Top 25 50 °C

Notes:

(1) Will be tested at 5.0MHz and 490us.

(2) Will be used as a test for typical value.

(3) Proposed tint (min.) is the lowest line integration time available at a 5.5MHz clock rate.

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AMIS-710239-A3: 200dpi CIS Module Data Sheet

8.0 Switching Characteristics (25 °C)

Figure 3: Clock and Start Pulse Timing Diagram

The switching characteristics for the I/O clocks are shown in Figure 3. T he corresponding definitions for the timing s ymbols ar e given i n

Table 6.

Table 6: Symbol Definition for Figure 3 (Timing Diagram)

Item Symbol Min. Typ. Max. Units

Clock cycle time to 0.2 4.0 µs

Clock pulse width tw 50 ns

Clock duty cycle 25 75 %

Prohibit crossing time of SP tprh 15 ns

Data setup time tds 20 ns

Data hold time tdh 20 ns

Signal delay time tdl 50 ns

Signal settling time tsh 120 ns

Note: These are the proposed times. There may be minor changes in actual implementation.

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AMIS-710239-A3: 200dpi CIS Module Data Sheet

9.0 AMIS-710239-A3 Module Mechanical Dimensions

The sketch of this module is provided as a pictorial of the module size and structure. A detailed drawing is availabl e upon request.

Figure 4: Module and its Mechanical Dimensions

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AMIS-710239-A3: 200dpi CIS Module Data Sheet

10.0 Company or Product Inquiries

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

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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

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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

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