Overview
The AH175 is a single-digital-output Hall-Effect latch sensor designed for high-temperature operation. It features an integrated Hall voltage generator, amplifier, comparator with hysteresis for noise rejection, and an open-collector output pre-driver. A band-gap regulator ensures a temperature-compensated supply voltage and a wide operating supply range. The device switches its output low when magnetic flux density exceeds the operate point (Bop) and remains low until the flux density falls below the release point (Brp), at which point it switches off. The AH175 is available in SIP-3 (Ammo Pack), SIP-3 (Bulk Pack), and SC59 packages.
Product Attributes
- Brand: Diodes Incorporated
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
- Package Types: SIP-3 (Ammo Pack), SIP-3 (Bulk Pack), SC59
- Note: The AH175 is not recommended for new designs; use AH3724 instead.
Technical Specifications
| Feature | Specification |
| Product Type | Hall-Effect Latch Sensor |
| Operating Voltage | 3.5V to 20V DC |
| Output Type | Open Collector Pre-Driver |
| Output Sink Current | 25mA |
| Power Reverse Protection | Built-in |
| Operating Temperature | -40C to +150C |
| A Grade Bop (South Pole to Brand Side) | 15 - 60 Gauss |
| A Grade Brp (South Pole to Brand Side) | -60 - -15 Gauss |
| A Grade Bhy (Hysteresis) | 30 - 120 Gauss |
| B Grade Bop (South Pole to Brand Side) | 5 - 80 Gauss |
| B Grade Brp (South Pole to Brand Side) | -80 - -5 Gauss |
| B Grade Bhy (Hysteresis) | 10 - 160 Gauss |
| Output Saturation Voltage (VOUT(SAT)) | 300 - 400 mV (Typ. 300mV at VCC=12V, IO=10mA) |
| Supply Current (ICC) | 3.5 - 6 mA (Typ. 3.5mA at VCC=12V, OUT "OFF") |
| Power Dissipation (SIP-3) | 550 mW (Max at 25C) |
| Power Dissipation (SC59) | 230 mW (Max at 25C) |
2412251151_DIODES-AH175-PG-A-B_C842083.pdf
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