A1333

A1333 2 - Precision, High Speed, Hall-Effect Angle Sensor IC with Integrated Diagnostics for Safety-Critical Applications FEATURES AND BENEFITS Contactless 0° to 360° angle sensor IC, for angular position, rotational speed, and direction measurement □ Capable of sensing magnet rotational speeds targeting 12b effective resolution with 900 G field □ Circular Vertical Hall (CVH) technology provides a single channel sensor system supporting operation across a wide range of air gaps Developed in accordance with ISO 26262:2011 requirements for hardware product development for use in safety-critical applications □ Single die version designed to meet ASIL B requirements when integrated and used in conjunction with the appropriate system-level control, in the manner prescribed in the A1333 Safety Manual □ Dual die version designed to meet ASIL D requirements when integrated and used in conjunction with the appropriate system-level control, in the manner prescribed in the A1333 Safety Manual High diagnostic coverage □ On-chip diagnostics include logic built-in self-test (LBIST), signal path diagnostics, and watchdogs to support safety-critical (ASIL) applications □ 4-bit CRC on SPI On-chip EEPROM for storing factory and customer calibration parameters □ Single-bit error correction, dual-bit error detection through the use of error correction control (ECC) Continued on next page... DESCRIPTION The A1333 is a 360° angle sensor IC that provides contactless high-resolution ang...