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Specifications
Operating Current:
2mA
Operation Points:
5mT
Release Points:
-5mT
Operating Temperature:
-40℃~+125℃
Voltage - Supply:
2.2V~20V
Mfr. Part #:
AH372-SA-7
Package:
SOT-23F
Key Attributes
Model Number:
AH372-SA-7
Product Description
Product Overview
The AH372 is a single-digital-output Hall-Effect latch sensor designed for high-temperature operation. It features an internal pull-up resistor, on-chip Hall voltage generator, amplifier, comparator with hysteresis for noise rejection, and an output driver. The device operates over a wide supply range with temperature compensation. It switches output ON when magnetic flux density exceeds the operating point (BOP) and switches OFF when the magnetic flux density reversal falls below the release point (BRP). The AH372 is available in SIP-3, SC59, and SOT23 packages.
Product Attributes
- Brand: Diodes Incorporated
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
- Applications: Rotor position sensing for motor commutations, Encoders, Speed measurements (RPM monitors), Contact-less current switches
- Note: The AH372 is NOT RECOMMENDED FOR NEW DESIGNS. PLEASE USE THE AH3724.
Technical Specifications
| Characteristic | Conditions | Min | Typ | Max | Unit |
| Supply Voltage | Operating | 2.2 | - | 20 | V |
| Operating Temperature Range | Operating | -40 | - | +125 | C |
| Output On Voltage | IOUT = 20mA | - | 300 | 400 | mV |
| Supply Current | B < BRP | - | 2 | 4 | mA |
| Output Leakage Current | Output off | - | < 0.1 | 10 | A |
| Internal Pull-up Resistor | - | - | 7 | 10 | 13 k |
| Operation Point (BOP) | South Pole to Part Marking Side for SIP-3 (Ammo Pack), SIP-3 (Bulk Pack) and SOT23; North Pole to Part Marking Side for SC59 | 5 | 30 | 60 | Gauss |
| Release Point (BRP) | South Pole to Part Marking Side for SIP-3 (Ammo Pack), SIP-3 (Bulk Pack) and SOT23; North Pole to Part Marking Side for SC59 | -60 | -30 | -5 | Gauss |
| Hysteresis (BHY) | |BOPX|-|BRPX| | - | 60 | - | Gauss |
| Output Sink Capability | - | - | - | 25 | mA |
| Package Power Dissipation | SIP-3 (Ammo Pack) and SIP-3 (Bulk Pack) | - | - | 550 | mW |
| Package Power Dissipation | SC59 and SOT23 | - | - | 230 | mW |
2412251151_DIODES-AH372-SA-7_C842124.pdf
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