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  4. Reflective incremental optical encoder SMD-04B (Seiko NPC)
Reflective incremental optical encoder SMD-04B-SMD-04B
Reflective incremental optical encoder SMD-04B-Seiko NPC

Reflective incremental optical encoder SMD-04B
Seiko NPC

Seiko NPC's Response Status

Response Rate

100.0%

Response Time

1.2hours

Very Fast Response

About This Product

■While maintaining the high resolution (A/B phase) of the conventional product SMD-01B, an origin detection function (Z phase) has been added and the operating temperature range has been expanded.

SMD-04B is a high-precision optical encoder IC that uses a diffraction image projection method. SMD-04B has an OEIC (Opto-Electric Integrated Circuit) and LED mounted in one package. The relative movement between the SMD-04B and the scale is detected by projecting the light emitted from the LED onto the scale and receiving the diffraction image of the reflected light with a photodiode. Furthermore, by providing a pattern for origin detection on the scale, the Z phase, which is the origin signal, is output. Additionally, by arranging the photodiodes in the light receiving section, we reduce the deterioration of phase characteristics due to mounting precision.

■Features

・Package: HCOB14, 5.3×4.3×1.0mm ・Power supply voltage: 4.5 to 5.25V ・Current consumption: 22mA ・Operating temperature range: -30 to +85℃ ・High precision A/B phase analog output, output cycle 20μm/cycle ・Digital index signal Z output ・Output frequency 100KHz ・Resolution: 5μm (Can be created from a scale with a 20μm pitch pattern, A phase, and B phase) ・Compatible with differential output that is resistant to noise ・No need for a dedicated track for Z phase on the scale side ・Built-in LED dimming function using APC circuit ・LED brightness setting and automatic adjustment can be selected by external terminal setting ・Automatic LED brightness adjustment function reduces variation in analog output signal amplitude ・Easy positioning ・Reflow mounting possible

■Application example

・OA equipment: MFP, polygon mirror control ・Industrial equipment: galvano scanners, robots, machine tools, X-Y stages, microscopes, semiconductor manufacturing equipment, measuring instruments, servo motors, stepping motors, actuators, encoders

  • Product

    Reflective incremental optical encoder SMD-04B

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1 Models of Reflective incremental optical encoder SMD-04B

Image Part Number Price (excluding tax) Power supply voltage Current consumption Operating temperature range Resolution Output frequency Output cycle Package
Reflective incremental optical encoder SMD-04B-Part Number-SMD-04B

SMD-04B

Available upon quote

4.5~5.25V

22mA

-30~+85℃

5μm (Can be created from scale with 20μm pitch pattern, A phase, and B phase)

100KHz

20μm/cycle

HCOB14, 5.3×4.3×1.0mm

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About Company Handling This Product

Seiko NPC

Response Rate

100.0%

Response Time

1.2hrs

Company Overview

Seiko NPC Corporation was founded in 1975 is a semiconductor manufacturer based in Japan. Their main product...

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