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Specifications
Operating Current:
3.5mA
Operating Temperature:
-40℃~+125℃
Voltage - Supply:
3V~20V
Mfr. Part #:
AH173-WG-7-A
Package:
SC-59
Key Attributes
Model Number:
AH173-WG-7-A
Product Description
Product Overview
The AH173 is a single-digital-output Hall effect latch sensor designed for high-temperature operation. It features an internal pullup resistor, making it suitable for applications requiring reliable magnetic sensing in demanding environments. The device integrates a Hall voltage generator, amplifier, comparator with hysteresis for noise rejection, and an output driver. It operates over a wide supply voltage range and provides a temperature-compensated supply voltage. The output switches low when magnetic flux density exceeds the operate point (Bop) and switches off when it falls below the release point (Brp).
Product Attributes
- Brand: Diodes Incorporated
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
- Availability: SIP-3 (Ammo Pack), SIP-3 (Bulk Pack), and SC59 packages
- Note: AH173 is NOT RECOMMENDED FOR NEW DESIGNS. PLEASE USE THE AH3722A/AH3724A.
Technical Specifications
| Characteristic | Value | Unit | Conditions |
| Supply Voltage (VCC) | 3 to 20 | V | Operating |
| Operating Ambient Temperature | -40 to +125 | C | Operating |
| Output Saturation Voltage (VSAT) | 300 to 400 | mV | VCC = 12V, OUT "ON", IO = 10mA |
| Supply Current (ICC) | 3.5 to 6 | mA | VCC = 12V, OUT "OFF" |
| Internal Pullup Resistor (Rpu) | 7 to 13 | k | |
| Dropout Voltage (Vd) | 0.3 | V | |
| Output Sink Current (IO (Sink)) | 25 | mA | |
| Storage Temperature Range | -65 to +150 | C | |
| Maximum Junction Temperature (TJ) | +150 | C | |
| Power Dissipation (PD) - SIP-3 | 550 (max at 25C) | mW | |
| Power Dissipation (PD) - SC59 | 230 (max at 25C) | mW | |
| Operation Point (Bops) - A Grade | 15 to 60 | Gauss | South Pole to Brand Side |
| Release Point (Brps) - A Grade | -60 to -15 | Gauss | South Pole to Brand Side |
| Hysteresis (Bhy) - A Grade | 80 | Gauss | |Bopx|-|Brpx| |
| Operation Point (Bops) - B Grade | 5 to 80 | Gauss | South Pole to Brand Side |
| Release Point (Brps) - B Grade | -80 to -5 | Gauss | South Pole to Brand Side |
| Hysteresis (Bhy) - B Grade | 80 | Gauss | |Bopx|-|Brpx| |
2412251151_DIODES-AH173-WG-7-A_C842067.pdf
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