AEDR-871x (Digital)/AEDR-872x (Analog) Encoder Devices

Broadcom features their 3-channel reflective encoder with analog and digital outputs

Image of Broadcom's AEDR-871x (Digital)/AEDR-872x (Analog) Encoder DevicesBroadcom's AEDR-871x and AEDR-872x are 3-channel reflective optical encoder devices providing dual channel quadrature digital outputs (AEDR-871x) and analog outputs (AEDR-872x) along with 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. The differential analog outputs (Sin, /Sin, Cos, /Cos) can interface directly with most commercially available interpolator devices for high precision motion control measurements. As such, the device can be easily designed in and integrated into existing motion control system.

The AEDR-871x/872x house an LED light source and a photo-detecting circuitry in a compact package. The miniature package coupled with low operating voltage options, 3.3 V (AEDR-871x) and 5.0 V (AEDR-872x), which allow these devices 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°C to +85°C temperature range suitable for both commercial and industrial end applications.

Features Applications
  • 3-channel outputs
    • Dual channel digital outputs
    • Index channel digital output
  • Built-in interpolator for 4x, 8x, and 16x interpolation
  • Built-in automatic LED current regulation
  • Encoding resolution: 318 LPI (up to 1.25 µm pitch)
  • Power supply voltage: 3.3 V or 5 V
  • Operating temperature range: -20°C to +85°C
  • Surface mount leadless package: 3.95 mm (L) x 3.4 mm (W) x 0.956 mm (H)
  • Closed-loop stepper motors
  • Miniature motors
  • Printers, copiers
  • Card readers
  • Scanners
  • Projectors
  • Portable medical equipment
  • Optometric equipment
  • Consumer and industrial product applications

AEDR-871x Digital Encoder Devices

ImageManufacturer Part NumberDescriptionVoltage - SupplyAvailable QuantityView Details
AEDR-8710-102 datasheet linkENCODER REFL 3CH 9PIN SMDAEDR-8710-102ENCODER REFL 3CH 9PIN SMD3.3V, 5V4313 - Immediate
AEDR-8710-102 product page link

AEDR-872x Analog Encoder Devices

ImageManufacturer Part NumberDescriptionVoltage - SupplyAvailable QuantityView Details
AEDR-8723-102 datasheet linkENCODER REFL 3CH 9PIN SMDAEDR-8723-102ENCODER REFL 3CH 9PIN SMD4.5 V ~ 5.5 V757 - Immediate
AEDR-8723-102 product page link
Published: 2017-09-06