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NPI Body

Broadcom AEDR-9820/9830 3-channel incremental encoder

The AEDR-9820 (225LPI) and AEDR-9830 (318LPI) are miniature reflective analog/digital incremental encoders operating at extended temp & freq ranges

The AEDR-9820 (225LPI) and AEDR-9830 (318LPI) are miniature reflective analog/digital incremental encoders operating at extended temp & freq ranges. They offer a two-channel differential analog (AB) with a third channel (I) differential analog Index or digital Index output, or three channels differential (ABI) digital index outputs for linear and rotary applications, starting at 4.6 mm optical radius. The differential or TTL compatible output signals can be directly interfaced to most signal processors. Their compact size and programmable resolution provide easy integration into small motors, actuators, linear stages, and medical equipment.

Key features

Miniature size: 4 x 4 mm
For small size motor, high speed and high temperature applications
Built-in pin selectable interpolation
Suitable for linear and rotary applications

Additional features

Operating Voltage: 3.3 V...5 V
High encoding resolution (Lines Per Inch/mm - LPI/LPmm):
- AEDR-9820 225 LPI (8.86 LPmm)
- AEDR-9830 318 LPI (12.52 LPmm)
Examples:
- AEDR-9820 (RoP base 4.6 mm, 256 CPR)
- AEDR-9830 (RoP base 7.95 mm, 625 CPR)
Base frequency 200 kHz and up to 2 MHz at 16 x interpolation
Pin-selectable interpolation up to 16 x
Pin-selectable analog or digital output
Infrared (IR) light source:
- More robust to contamination
Operating Temperature range:
- -40...115 °C (extended industrial temperature range)
Optional parts (AEDR-9820A and AEDR-9830A):
- Automotive Grade 1 (-40...125 °C)
- Automotive AEC-Q100 qualified
- Market release Q4FY20