Product Overview
The A1233 is a dual-channel Hall-effect sensor IC designed for speed and direction sensing applications using encoder ring-magnet targets. It provides output signals indicating target rotation speed and direction. The sensor features photolithographically aligned Hall elements with precise displacement for accurate detection in fine-pitch applications. Its high sensitivity and temperature stability make it suitable for harsh automotive and industrial environments. The device operates from a wide voltage range (3.5 to 24 V) due to an on-chip regulator and utilizes Allegro's high-frequency chopper stabilization to cancel offsets and ensure stable operation.
Product Attributes
- Brand: Allegro
- Certifications: AEC-Q100 automotive qualified, Quality Managed (QM), ISO 26262:2011 compliant
- Material: Lead (Pb) free, 100% matte-tin leadframe plating
- Origin: U.S.A.
Technical Specifications
| Part Number | Package | Packing | TA (C) | VCC (V) | ICC (mA) | BOP (G) | BRP (G) | Bhys (G) |
|---|---|---|---|---|---|---|---|---|
| A1233LK-T | 4-pin through hole SIP | Bulk bag, 500 pieces/bag | 40 to 150 | 3.5 24 | 2.5 8.0 | 35 55 | 55 35 | 10 60 |
| A1233LLTR-T | 8-pin surface mount SOIC | Tape and reel, 3000 pieces/reel | 40 to 150 | 3.5 24 | 2.5 8.0 | 35 55 | 55 35 | 10 60 |
2410010131_ALLEGRO-A1233LLTR-T_C459238.pdf
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