DIODES AH3382 P B Hall Effect sensor IC featuring chopper stabilized design for enhanced reliability
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Delivery Time:
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Product Description
Product Overview
The AH3382 is a high voltage, ultra-high sensitivity Hall Effect Unipolar switch IC designed for proximity, position, and level sensing in industrial and consumer home appliances. It operates over a wide supply range of 3.0V to 28V and features a chopper-stabilized architecture for temperature compensation and reliability. The device includes internal pull-up resistors, over-current limits, and Zener clamps for robustness. It activates with a South pole of sufficient strength and remains off for North pole or no magnetic fields.
Product Attributes
- Brand: Diodes Incorporated
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free ("Green" Device)
Technical Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
| Supply Voltage (VDD) | Operating | 3.0 | - | 28 | V |
| Operating Temperature Range | Operating | -40 | - | +125 | C |
| Output ON Voltage (VOUT_ON) | IOUT = 20mA, B > BOP | - | 0.2 | 0.4 | V |
| Output Leakage Current (ILKG) | VOUT = 28V, B < BRP, Output off | - | <0.1 | 10 | A |
| Supply Current (IDD) | Output open, TA = +25C | - | 3 | 3.5 | mA |
| Supply Current (IDD) | Output open, TA = -40C to +125C | - | - | 4 | mA |
| Internal Pull-Up Resistance (RPU) | TA = -40C to 125C | 10 | 14 | 18 | k |
| Device Start-Up Time (tST) | VDD >= 3V, B > BOP | - | 10 | - | s |
| Chopping Frequency (fC) | - | - | 800 | - | kHz |
| Response Time Delay (tD) | Time from magnetic threshold reached to the start of the output rise or fall | - | 3.75 | - | s |
| Output Rising Time (tR) | RL = 1k, CL = 20pF | - | 0.2 | 1 | s |
| Output Falling Time (tF) | RL = 1k, CL = 20pF | - | 0.1 | - | s |
| Output Current Limit (IOCL) | B > BOP | 30 | - | 55 | mA |
| Zener Clamp Voltage (VZ) | IDD = 5mA | 28 | - | - | V |
| Operation Point (BOPS) | South pole to part marking side for SOT23 and SIP-3; South pole to non-part marking side for SC59. VDD = 12V, TA = +25C | - | 55 | - | Gauss |
| Operation Point (BOPS) | South pole to part marking side for SOT23 and SIP-3; South pole to non-part marking side for SC59. TA = -40C to +125C | 40 | 55 | 70 | Gauss |
| Release Point (BRPS) | South pole to part marking side for SOT23 and SIP-3; South pole to non-part marking side for SC59. VDD = 12V, TA = +25C | - | 35 | - | Gauss |
| Release Point (BRPS) | South pole to part marking side for SOT23 and SIP-3; South pole to non-part marking side for SC59. TA = -40C to +125C | 20 | 35 | 50 | Gauss |
| Hysteresis (BHY) | |BOPS|-|BRP| VDD = 12V, TA = +25C | - | 20 | - | Gauss |
| Hysteresis (BHY) | |BOPS|-|BRP| TA = -40C to +125C | 15 | 20 | 25 | Gauss |
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