AR18/AR35 Series Single-Turn Absolute Encoders

24 July, 2020

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Broadcom’s AR18 and AR35 series miniature programmable single-turn absolute encoders with resolution ranging from 17-bits to 21-bits

Broadcom’s AR18 and AR35 series are the miniature absolute encoder ASICs designed to cater to the growing demand for space-constrained applications. The AR18 encoder is designed for an overall diameter of 18 mm and offers user-programmable resolution ranging from 17-bit, 19-bit, and 21-bit single-turn absolute output. The AR35 encoder is designed for an overall diameter of 35 mm and offers 17-bit and 21-bit single-turn absolute output. Both the AR18 and AR35 series provide the incremental ABI and UVW in differential mode. Both come with a recommended temperature range of -40°C to +115°C suitable for most industrial applications. Dual-mode operating voltages of 3.3 V and 5 V enable handheld and portable device applications.

Features
Miniature absolute encoder ASIC surface mount DFN package: 10.9 mm (L) x 9.1 mm (W) x 1.5 mm (H) User-programmable resolution ranging from: 17-bit, 19-bit, and 21-bit single turn (OD18) 17-bit and 21-bit single turn (OD35) User-programmable incremental output (ABI) resolution ranging from 128 CPR to 8192 CPR Selectable SSI mode communication protocol RoHS-compliant	User-programmable commutation signal (UVW) in 2-pole, 3-pole, 4-pole, 5-pole, 12-pole, 30-pole, 32-pole pairs Differential output for ABI and UVW High temperature range of -40°C to +115°C suitable for most of the industrial operation Dual-mode operating voltage of 3.3 V and 5 V, enabling handheld and portable device applications Selectable RS485 mode communication protocol

more information: www.broadcom.com

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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