Product Overview
The AH175 is a single-digital-output Hall-Effect latch sensor designed for high-temperature operation. It features an on-chip Hall voltage generator, amplifier, comparator with hysteresis for noise rejection, and an open-collector output pre-driver. An internal band-gap regulator ensures a temperature-compensated supply voltage across a wide operating range. The device switches its output low when magnetic flux density exceeds the operate point (Bop) and remains low until the flux density reversal 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: AH175 is NOT RECOMMENDED FOR NEW DESIGNS. PLEASE USE THE AH3724.
Technical Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit | Conditions |
| Electrical Characteristics | ||||||
| Supply Voltage | VCC | 3.5 | 20 | V | Operating | |
| Output Saturation Voltage | VOUT (SAT) | 300 | 400 | mV | VCC = 12V, OUT "ON", IO = 10mA | |
| Supply Current | ICC | 3.5 | 6 | mA | VCC = 12V, OUT "OFF" | |
| Magnetic Characteristics (A Grade) | ||||||
| Operation Point (South Pole to Brand Side) | Bops | 15 | 60 | Gauss | TA = +25C | |
| Release Point (South Pole to Brand Side) | Brps | -60 | -15 | Gauss | TA = +25C | |
| Hysteresis | Bhy | 30 | 80 | 120 | Gauss | TA = +25C |
| Magnetic Characteristics (B Grade) | ||||||
| Operation Point (South Pole to Brand Side) | Bops | 5 | 80 | Gauss | TA = +25C | |
| Release Point (South Pole to Brand Side) | Brps | -80 | -5 | Gauss | TA = +25C | |
| Hysteresis | Bhy | 10 | 80 | 160 | Gauss | TA = +25C |
| Absolute Maximum Ratings | ||||||
| Supply Voltage | VCC | 20 | V | |||
| Output "Off" Voltage | VOUT (off) | 20 | V | |||
| Output "On" Current | IO (sink) | 25 | mA | |||
| Storage Temperature Range | TS | -65 | 150 | C | ||
| Maximum Junction Temperature | TJ | 150 | C | |||
| Power Dissipation | ||||||
| SIP-3 (Ammo Pack) / SIP-3 (Bulk Pack) | PD | 550 | mW | TA = +25C | ||
| SC59 | PD | 230 | mW | TA = +25C | ||
| Recommended Operating Conditions | ||||||
| Operating Ambient Temperature | TA | -40 | 150 | C | ||
2412251151_DIODES-AH175-WG-7-A_C842068.pdf
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