Reflective Optical Encoder

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The AEDR-8300 series is the smallest optical encoder employing reflective technology for motion control purposes. The encoder combines an emitter and a detector in a single surface mount leadless package. When used with a codewheel or linear codestrip, the encoder translates rotary or linear motion into digital output.

The AEDR-8300 series outputs TTL compatible quadrature signals; and as such, can be interfaced directly with most of hte signal processing circuitries. Hence, the encoder provides great design-in flexibility and easy integration into existing systems.

The AEDR-8300 series provides motion sensing at a competitive cost, making it ideal for high volume applications, Its small size and surface mount package make it ideal for printers, copiers, card readers and many consumer products, particularly where space and weight are design constraint.


  • Reflective technology
  • Surface mount small outline leadless package
  • Two channel quadrature outputs for direction sensing
  • TTL compatible output
  • Single 5V supply
  • -20oC to 85oC absolute operating temperature
  • Resolution: 7.09 lines/mm(180 lines/inch)


  • Robotics
  • Machine tools
  • Semiconductor Machineries
  • Automotive (Body plant robot cells for assembly & welding)

Lifecycle Status


Lifecycle Status



  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
Distrib. Inventory Yes
Samples Available Yes
RoHS6 Compliant Y
Line Driver N
Frequency 30.0
Max Qty of Samples 5
Motion Type Linear & Rotary
Operating Voltage (V) [5.0V]
Optical Method Reflective
Optical Radius (mm) 11.0
Output Type Digital
Product Size (mm) 3.96 W x 5.12 L x 1.63 H
Operating Temperature Range -20°C to +85°C
Units In Shipping Tube 1000.0
Resolution 180 LPI


Data Sheet (1) i
Product Change Notice (PCN) (1) i
Reliability Data Sheet (1) i


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