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 (A, B, I) outputs. It features on-chip EEPROM for flexible end-of-line calibration parameter programming, supporting up to 100 read/write cycles. Ideal for automotive applications like electronic power steering (EPS), rotary PRNDLs, and throttle systems, the A1333 is designed for safety-critical applications and is available in dual-die 24-pin eTSSOP and single-die 14-pin TSSOP packages.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: 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. Dual die version designed to meet ASIL D requirements.
- Material: Lead (Pb) free with 100% matte-tin leadframe plating.
- Origin: U.S.A.
Technical Specifications
| Part Number | System | Package | Packing | Interface | Voltage | RJA (LP-24) | RJA (LE-14) |
|---|---|---|---|---|---|---|---|
| A1333LLPTR-DD-T | Dual | 24-pin eTSSOP | 4000 pieces per 13-in. reel | SPI | 3.3 V | 69 C/W | 82 C/W |
| A1333LLETR-T | Single | 14-pin TSSOP | 4000 pieces per 13-in. reel | SPI | 3.3 V | 69 C/W | 82 C/W |
| A1333LLPTR-5-DD-T | Dual | 24-pin eTSSOP | 4000 pieces per 13-in. reel | SPI | 5 V | 69 C/W | 82 C/W |
| A1333LLETR-5-T | Single | 14-pin TSSOP | 4000 pieces per 13-in. reel | SPI | 5 V | 69 C/W | 82 C/W |
2409302135_ALLEGRO-A1333LLETR-5-T_C2153609.pdf
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