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AEDR-9940-100: Three-Channel Reflective Incremental Encoder with Analog or Digital Differential Output (198.4 LPI)

AEDR-9940-100 Product Description:

AEDR-9940-100 is a three-channel reflective optical encoder. Selectable and programmable options are available for three-channel digital or analog differential A, B, and I output. The AEDR-9940 digital encoder mode offers two-channel (AB) quadrature digital outputs and a third channel digital index outputs. Being TTL compatible, the outputs of the AEDR-9940 encoder can be interfaced with most of the signal processing circuitries. 

AEDR-9940-100 Key Features:

Analog Output option – Three-channel single-ended and differential analog output and analog or digital index output.

Digital Output option – Three-channel differential or TTL compatible; two channel quadrature (AB) digital outputs for direction sensing and a third channel, index (I) digital output. 

SPI programmable interpolator from 1X to 1024X.

Surface-mount leadless package – 4.0 mm (L) x 4.0 mm (W) x 0.7 mm (H).

Operating voltage of 3.3V and 5.0V supply.

Built-in LED current regulation.

Wide operating temperature range from –40°C to 115°C.

High encoding resolution: 198.4375 LPI (lines/inch) or 7.8125 LP mm (lines/mm) or 0.128 mm (pitch).

Translucent protection compound.

Applications:

Closed-loop stepper motors

Small motors, actuators

Industrial printers

Robotics

Card readers

PTZ camera

Portable medical equipment

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