AR25-AS01 25-Bit Smart Programmable Reflective Absolute Single-Turn Encoder Integrated Circuit Chip

AR25-AS01 is a miniature absolute encoder ASIC designed for space-constrained applications. Utilizing advanced reflective optical-encoding theory, the AR25 Series delivers high position accuracy with a correction algorithm that surpasses magnetic encoder capabilities.

• Miniature surface-mount QFN package: 6 mm (L) × 6 mm (W) × 1.05 mm (H)
• User-programmable absolute resolution: 15 bits to 25 bits
• User-programmable incremental output (ABI) resolutions ranging from 1 CPR to 220 CPRs
• User-programmable commutation signals (UVW), ranging from 1 to 32 pole-pairs
• High-temperature range of -40°C to 125°C suitable for most industrial operations
• Dual-mode operating voltages of 3.3V and 5V, enabling handheld and portable device applications
• Multi-turn integration: EHMT, gear, or battery backup
• Optical radius (ROP) flexibility: Blind-hollow or through-shaft applications
• Built-in line transceiver for protocol with selectable drivability strength
• Auto-accuracy calibration with a constant speed that is one click away
• Selectable communication protocols: RS485, ESL, SSI 2-wire, SPI 4-wire, BiSS-C
• External memory support up to 128 Kb
• Built-in temperature sensor
• RoHS compliant

• Robotic automation and engineering
• Factory automation and drones
• Medical and dentistry devices and equipment
• High-accuracy portable and handheld devices
• Miniature motor, servo motor, and linear actuator
• Through-shaft motor, gear motor, and speed reducer