オンチップ線形化とインクリメンタル出力に対応する高精度角度センサIC

AAS33001

AAS33001は、オンチップの線形化とインクリメンタル出力を備えた非接触の高精度な角度測定を提供し、正確なモータ制御や位置検出が可能になります。SPI、PWM、UVW/ABI出力に対応しています。

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