Precision Angle Sensor IC with I²C, SPI, and SENT Interfaces

A1335

The A1335 offers versatile and precise angle measurement with multiple interface options (I²C, SPI, SENT), programmable linearization, and on-chip EEPROM for flexible configuration. Ideal for automotive applications.

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Product Details

Top Features

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