ROHM LSH3004-AA20A User Guide and Manual
Summary
This advanced optical sensor module is designed for high-precision reading of A6 size media using compact dual-arc technology, enabling straight-pass scanning in both directions. Featuring integrated signal amplifiers and LED sources within a lightweight package, it ensures reliable detection across various image input applications. The accompanying documentation provides comprehensive technical specifications, detailed timing charts, pin assignments, and circuit integration guidance for hardware developers working on check readers, card scanners, and other professional data capture systems.
Page 1 Text Content
ap er ee ire ct io
Contact Image Sensor Heads for narrow-width scanners LSH3004-AA20A
Compatible with A6 size media, feature a dual-arch structure, allowing straight-pass reading (both-directions). In addition, it is compact, measuring only 119.5mm in length.
Applications Check readers, card scanners, and a variety of other image input devices.
Features 1) Signal amplifier integrated into each sensor IC in order to eliminate external noise. 2) LED light source mounted on the same substrate as the sensor chip itself, resulting in a more compact, lightweight package. 3) Proprietary prism maintains a uniform output signal. 4) Ceramic substrate used, ensuring excellent dimensional and thermal stability.
Dimensions (Unit : mm) .5
104.9(Effective Reading Width)
φ2(Depth 1)
No.9 No.1
Pin No.Pin No. Signal Signal
(NOTE 1)
No.1 CLK No.7 GLED
Deflection at the top of glass:0-0.25
No.2 SP No.8 BLED
Projection to platen is positive.
No.3 VDD No.9 VLED (NOTE 2) No.4 GND Socket Housing:IL-Z-9S-S125C3(JAE) No.5 AO
Socket Contact:IL-Z-C3-A-15000(JAE) No.6 RLED
www.rohm.com
1/3 2011.03 - Rev.B
○c 2011 ROHM Co., Ltd. All rights reserved.
Page Summary Contents For ROHM LSH3004-AA20A User Guide and Manual
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 4 |
| File Size | 892.86 KB |
| Published | July 16, 2026 |
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Frequently Asked Questions
What is the maximum effective reading width of the sensor head?
The effective scanning width is 104.9 mm.
What power supply voltage must be used for operation?
The required Power Supply Voltage (VDD) must be 3.3 V.
How must I initiate the data output sequence?
Data output begins after receiving a Start Pulse (SP).
What types of devices is this sensor suitable for?
It is applicable in check readers, card scanners, and other image input devices.