I²C、SPI、SENTインターフェース対応の高精度角度センサIC

A1335

A1335は、複数のインターフェースオプション (I²C、SPI、SENT)、プログラム可能な線形化、柔軟に設定できるオンチップEEPROMに対応し、多用途で高精度の角度測定を提供します。自動車用途に最適です。

360° contactless high-resolution angle position sensor
CVH (Circular Vertical Hall) technology
Available with either a single die or dual independent die housed within a single package
Digital output format selectable among SPI, I2C, and SENT (Single-Edge Nibble Transmission)
SENT output is SAEJ2716 JAN2010 compliant, with Allegro proprietary enhanced programmable features
Customer-programmable SENT tick times, ranging from 0.5 to 7.9 μs
SPI interface allows use of multiple independent sensor ICs for applications requiring redundancy
Refresh rate: 32 μs, 12-bit resolution
Wide range of diagnostics enable automotive applications to achieve ASIL-D compliance
Programmable via Manchester encoding on the VCC line, reducing external wiring
Automotive temperature range: –40°C to 150°C
AEC-Q100 automotive qualified
Two types of linearization algorithms offered: harmonic linearization and segmented linearization
- Enables off-axis operation
Programmable range—can scale 22.5° to full-scale digital output
Microprocessor-based output linearization
EEPROM with Error Correction Control (ECC) for trimming calibration
1 mm thin (TSSOP) package
Improved air gap performance, based on continuous background calibration
Allegro Sensor Bias LDO