The AAS33001 provides contactless angle measurements with on-chip linearization and incremental outputs for precise motor control and position sensing. Supports SPI, PWM, and UVW/ABI outputs.
Product Details
Product Details
Top Features
- Contactless 0° to 360° angle sensor IC, for angular position, rotational speed, and direction measurement
- Capable of sensing magnet rotational speeds targeting 12.5-bit effective resolution with 300 G field; higher effective resolution possible at higher field strengths
- Circular Vertical Hall (CVH) technology provides a single channel sensor system, with air gap independence
- On-chip 32 segment linearization to improve angle accuracy
- Reduces impact of magnet to sensor misalignment
- Reduces impact of imperfect magnetization of target magnet
- Developed as a Safety Element out of Context (SEooC) in accordance with ISO 26262:2011 requirements for hardware product development for use in safety-critical applications.
- High diagnostic coverage
- On-chip diagnostics include logic built-in self-test (LBIST), signal path diagnostics, and watchdogs to support safety critical applications
- 4-bit CRC on SPI
- On-chip EEPROM for storing factory and customer calibration parameters
- Single-bit error correction; dual-bit error detection, error correction control (ECC)
- Supports operating in harsh conditions required for automotive and industrial applications, including direct connection to 12 V battery
- Operating temperature range from –40°C to 150°C
- Operating supply voltage range from 3.7 to 18 V, absolute maximum of 28 V continuous
♦Can support ISO 7637-2 Pulse 5b up to 39 V
Target Application
Part Number Specifications and Availability
TechnicalDocumentationHeading
Application Note
Linearization Parameter Calculation for Allegro AAS33001 and AAS33051 Angle Sensor ICs
Application Note
Microcontroller-Based Linearization of Angular Sensor ICs
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