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SMD-01 Datasheet Optical Encoder Head

Manufacturer: NPC

Overview: SMD-01 Optical Encoder Head OVERVIEW The SMD-01 is a high-precision optical encoder that employs a diffraction image projection method. It incorporates an OEIC (Opto-Electric Integrated Circuit) and LED light source in a single package. Light emitted from the LED is projected onto a scale, and the reflected diffraction image is focused on a photodiode. The reflected light contains position information that is recovered to detect the relative movement between the SMD-01 and the scale. In addition, the light receiver employs a photodiode array to reduce the degradation in phase characteristics due to dependency on mounting position error, making the SMD-01 easier to mount.

Datasheet Details

Part number SMD-01
Manufacturer NPC
File Size 239.86 KB
Description Optical Encoder Head
Datasheet SMD-01-NPC.pdf

General Description

Number 1 2 3 4 5 6 Name SWL1 SWL2 VCC NC NC NC 7 SWV 8 VREF 9 VBB 10 VB 11 VAB 12 VA 13 NC 14 GND *1.

Ip: input with built-in pull-up re

Key Features

  • I Package: Miniature clear-mold package (5.3 × 4.3 × 1.68mm) I Output signal period: 20µm (Uses 20µm period A-phase/B-phase signals to achieve 5µm resolution) I Optimized OEIC and optics design for easy mounting alignment I LED and OEIC fabricated in a single package I Adjustable LED brightness using external inputs I Analog (sine wave) output I Supply voltage: 3.13 to 5.25V I Current consumption: 12.2mA (typ) PINOUT (Top view) SWL1 1 SWL2 2 VCC 3 NC 4 NC 5 NC 6 SWV 7 14 GND 13 NC 12 VA 11 VAB.

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Part Number Description

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