Product Overview
The A1333 is a 360 angle sensor IC utilizing Circular Vertical Hall (CVH) technology to provide high-resolution angular position information. Its system-on-chip (SoC) architecture integrates a CVH front end, digital signal processing, and motor commutation (UVW) or encoder outputs (A, B, I). Featuring on-chip EEPROM for flexible calibration parameter programming (up to 100 read/write cycles), it is ideal for automotive applications like electronic power steering (EPS), rotary PRNDLs, and throttle systems. The A1333 is designed for integration into safety-critical applications and is available in dual-die 24-pin eTSSOP and single-die 14-pin TSSOP packages.
Product Attributes
- Brand: Allegro MicroSystems
- Origin: U.S.A.
- Certifications: Developed in accordance with ISO 26262 requirements for hardware product development for use in safety-critical applications. Single die version designed to meet ASIL B requirements. Dual die version designed to meet ASIL D requirements.
- Material: Lead (Pb) free with 100% matte-tin leadframe plating.
Technical Specifications
| Part Number | System | Package | Packing | Interface | Voltage |
|---|---|---|---|---|---|
| A1333LLPTR-DD-T | Dual | 24-pin eTSSOP | 4000 pieces per 13-in. reel | SPI | 3.3 V |
| A1333LLETR-T | Single | 14-pin TSSOP | 4000 pieces per 13-in. reel | SPI | 3.3 V |
| A1333LLPTR-5-DD-T | Dual | 24-pin eTSSOP | 4000 pieces per 13-in. reel | SPI | 5 V |
| A1333LLETR-5-T | Single | 14-pin TSSOP | 4000 pieces per 13-in. reel | SPI | 5 V |
2401301155_ALLEGRO-A1333LLETR-T_C3825364.pdf
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