Magnetic field sensor DIODES AH3522-SA-7 with wide supply voltage range and stable output performance
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MOQ:
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Delivery Time:
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Product Description
Product Overview
The AH3522/AH3524 is a high-voltage, high-sensitivity Hall-effect omnipolar switch IC designed for proximity, position, and level sensing applications. It operates over a wide supply range of 3.0V to 28V and features a chopper-stabilized architecture for reliable performance across temperature variations. The device offers a robust solution with integrated protection features like a reverse blocking diode and Zener clamps. Its single open-drain output activates with either a South or North magnetic pole of sufficient strength.
Product Attributes
- Brand: Diodes Incorporated
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
- Packages: SOT23 (Type S), SIP-3 (Ammo Pack), SIP-3 (Bulk Pack)
Technical Specifications
| Parameter | AH3522 (Typical) | AH3524 (Typical) | Unit | Conditions |
| Operating Voltage | 3.0 to 28 | V | ||
| Operating Temperature | -40 to +125 | C | ||
| Supply Current (IDD) | 3 | mA | Output open, TA = +25C | |
| Output On Voltage (VOUT_ON) | 0.2 | V | IOUT = 20mA, B > BOP | |
| Output Current Limit (IOCL) | 30 to 55 | mA | B > BOP | |
| Chopping Frequency (fC) | 500 | kHz | VDD 3V | |
| Power-On Time (tP_ON) | 10 | s | VDD 3V, B > BOP | |
| Response Time Delay (tD) | 4 | s | ||
| Output Rising Time (tR) | 0.2 to 1 | s | RL = 1k, CL = 20pF | |
| Output Falling Time (tF) | 0.1 to 1 | s | RL = 1k, CL = 20pF | |
| Zener Clamp Voltage (VZ) | 28 | V | IDD = 5mA, TA = +25C | |
| ESD HBM | 8 | kV | ||
| BOP (South Pole) | 8 to 30 | 20 to 60 | Gauss | Part Marking Side |
| BOP (North Pole) | -30 to -8 | -60 to -20 | Gauss | Part Marking Side |
| BRP (South Pole) | 2 to 25 | 10 to 45 | Gauss | Part Marking Side |
| BRP (North Pole) | -25 to -2 | -45 to -10 | Gauss | Part Marking Side |
| Hysteresis (BHY) | 2 to 19 | 9 to 22 | Gauss | |
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