SMD-01

The SMD-01 reflective optical encoder is the best starting point for high resolution nanometer applications as its low noise and low distortion output enable interpolation using 12-16 bit A/D conversion and single digit resolution. A unique led receptor array provide wider tolerance to misalignment, YAW, external contamination and humidity SMD-01 makes it easier to manufacture precision encoders and achieve longer service life. Its small 5.4x4.3 mm footprint and 1.68 mm height allow ever smaller encoders .

Using a 20µ period the SMD-01 boasts native 5µ resolution; Seiko NPC SM3470 and SM3471 interpolators offer factors of 20x and 8x to support applications better than 5µ to 0.1µ

VC America supplies scales in various sizes and including custom sizes. Contact us with your requirements.

Datasheets

PDFSMD-01.pdf

Block Diagram

Key Features

  • Miniature clear-mold package 5.3 X 4.3 X 1.68 mm
  • Output signal period: 20µm
  • (Uses 20µm period A-phase/B-phase signals to achieve 5µm resolution)
  • Optimized OEIC and optics design for easy mounting alignment
  • LED and OEIC fabricated in a single package
  • Adjustable LED brightness using external inputs
  • Analog (sine wave) output
  • Supply voltage: 3.13 to 5.25V
  • Current consumption: 12.2mA (typ)

Applications

  • Assembly machines
  • Laser optical axis control
  • Measuring instruments
  • High-precision rotary and linear encoders
  • Stages
  • Actuators
  • Various miniature motors

Benefits

  • Build smaller more accurate encoders
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    SMD-01
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