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High precision reflective incremental encoder Broadcom AEDR-8500-102 designed for printers copiers and scanners

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High precision reflective incremental encoder Broadcom AEDR-8500-102 designed for printers copiers and scanners

Product Overview

The AEDR-850X is the industry's smallest 3-channel reflective incremental encoder with digital outputs, designed for motion control applications. Its compact size (3.95 mm x 3.4 mm x 0.9562 mm) and surface mount leadless package make it ideal for miniature commercial and industrial applications where space is a critical concern. Operating over a temperature range of 20C to 85C, it offers two-channel quadrature digital outputs for direction sensing and a third channel for index digital output. The TTL-compatible outputs ensure easy integration with most signal processing circuitries, providing significant design flexibility. This encoder is suitable for high-volume applications such as close-loop stepper motors, miniature motors, printers, copiers, card readers, scanners, and projectors.

Product Attributes

  • Brand: Avago Technologies
  • Technology: Reflective Incremental Encoder
  • Package Type: Surface mount leadless
  • Moisture Sensitivity Level (MSL): 3

Technical Specifications

SpecificationParameterMin.Typ.Max.UnitNotes
GeneralEncoder Dimensions (L x W x H)3.953.40.9562mm
Operating Temperature-2085CAbsolute
Supply Voltage4.555.5VRipple < 100mVp-p
Encoding Resolution294304lines/inch
Count Frequency (1x Interpolation)55kHz@ 11.38 Rop codewheel
Electrical CharacteristicsHigh Level Output Voltage (VOH)2.4VIOH = -1.5 mA
Low Level Output Voltage (VOL)0.4VIOH = +1.5 mA
Output Current per Channel (IOUT)1.5mA
Rise Time (tr)<100nsCL = 25pF, RL = 2.7k
Fall Time (tf)<100nsCL = 25pF, RL = 2.7k
Mechanical CharacteristicsRadial Misalignment (ER)0.2mm
Tangential Misalignment (ET)0.2mm
Codewheel Gap (G)0.51.01.25mm1.0mm nominal recommended
Window/bar Ratio (Ww/Wb)0.91.1
Interpolation FactorsSEL 4XSEL 2XInterpolation FactorCPR (@ ROP = 11.38 mm)Count Frequency
LL1X82855 KHz
LH2X1656110 KHz
HL4X3312220 KHz
Index Gating OptionsModel SuffixIndex Gating
-00Gated 90
-10Gated 180
-20Gated 360

Note: Avago Technologies encoders are not recommended for use in safety critical applications.


2410121803_Broadcom-AEDR-8500-102_C22453375.pdf

Quality High precision reflective incremental encoder Broadcom AEDR-8500-102 designed for printers copiers and scanners for sale
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