LSH2004-AA20A is a contact image sensor head for narrow-width scanners. It is compatible with A6 size media and features a dual-arch structure, allowing straight pass reading (both-directions). It is also compact, measuring only 119.5mm in length.
The LSH2004-AA20A is a contact image sensor head designed for narrow‑width scanners such as A6 media. It features a dual‑arch structure for straight‑pass reading in both directions, an integrated signal amplifier, on‑chip LED light source, and a ceramic substrate for dimensional stability. Typical applications include check readers, card scanners, and other image input devices.
The datasheet lists key electrical and mechanical specifications, pin functions, timing charts, and example peripheral circuits. It also includes legal notices and usage guidelines for designers integrating the sensor into electronic equipment.
| Effective scanning width | 104.6 mm |
|---|---|
| Primary scan dot density | 200 dpi |
| Total dot number | 864 dots |
| Power supply voltage | 3.3 V |
| Scanning speed | 0.125×3 ms/line |
| Clock frequency | 8 MHz |
| Maximum dynamic range | 0.5 V |
| Minimum dynamic range | 0.25 V |
| Dark output | 0.84‑0.2 V |
| Operating temperature | -5 to 45 °C |
| Length | 119.5 mm |
The sensor operates from a 3.3 V power supply.
The effective scanning width is 104.6 mm.
It is suitable for check readers, card scanners, and various other image input devices.
Pin 1 provides the clock signal (CLK).