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Avago: 3-Channel High Resolution Reflective Incremental Encoder (AEDR-871x Series)
Avago: 3-Channel High Resolution Reflective Incremental Encoder (AEDR-871x Series)
 
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Order #: AEDR-871X
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Description Specifications and Drawings
 

AEDR-871x
3-Channel High Resolution Reflective Incremental Encoder (Digital Outputs)

The Avago AEDR-871x is a 3-channel reflective optical encoder device providing dual channel quadrature digital outputs and an index channel digital output. With encoding resolution up to 318 lines per inch (LPI) and built-in 4x, 8x and 16x interpolation, the device enables great flexibility and versatility in resolution range. The quadrature (AB) digital outputs are TTL-compatible enabling the device to interface directly with many digital signal processors (DSP) and host processors. As such, the device can be easily designed in and integrated into existing motion control system.

The AEDR-871x houses an LED light source and a photo-detecting circuitry in a compact package. The miniature package coupled with low operating 3.3V option allows the device to be used in a wide range of space-constrained, low-power applications like portable devices in which space and power dissipation are primary concern. The device is designed to operate over -20 to +85 °C temperature range suitable for both commercial and industrial end applications.

Available Product Options:

AEDR-8710-102/100

AEDR-8711-102/100

AEDR-8712-102/100

Features

  • 3 Channel Outputs

  • Dual Channel Digital Outputs

  • Index Channel Digital Ouput

  • Built-in Interpolator for 4x, 8x and 16x Interpolation

  • Built-in Automatic LED Current Regulation

  • Encoding Resolution: 318 LPI (up to 1.25um pitch)

  • Power Supply Voltage: 3.3 or 5 V

  • Operating Temperature Range: -20 to +85 °C

  • Surface Mount Leadless Package: 3.95 mm (L) x 3.4 mm (W) x 0.956 mm (H)

Applications

  • Miniature Motors

  • Printers & Copiers

  • Card Readers

  • Miniature Camera Module

  • Portable Measurement Devices

  • Healthcare, Lab Diagnostic Equipment and Portable Devices

  • Optometric Equipment

  • Consumer and Industrial Product Applications

Benefits

  • High Resolution

  • Compact Size

  • 3 Channel in 1 Solution

  • Built-in Interpolation Circuit

  • Flexibility in Radius

  • Low Power Consumption

  • SMT Reflow able Mount

  • Mounting Compatibility to AEDR-85XX

  • Cost Effectiveness


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