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Specifications
Sample Frequency:
15kHz
Operation Points:
3mT
Operating Current:
8uA
Release Points:
2mT
Operating Temperature:
-40℃~+85℃
Output Current:
1mA
Voltage - Supply:
2.5V~5.5V
Mfr. Part #:
AH9247-W-7
Package:
SC-59
Key Attributes
Model Number:
AH9247-W-7
Product Description
Product Overview
The AH9247 is a high-sensitivity, micropower Hall-effect switch designed for battery-operated handheld equipment. It features internal pull-up resistor, chopper-stabilized amplifier for improved stability, and a sleep-awake logic to reduce average current consumption. The output latches its previous state during sleep mode, consuming only a few microamperes. It can be activated by either the north or south pole of a magnet. Available in TO92S (TYPE B), SC59, and DFN-2X2-3 packages, it is suitable for applications like cover switches, handheld wireless applications, and low duty cycle magnet switches.
Product Attributes
- Brand: Diodes Incorporated
- Origin: Not specified
- Material: Not specified
- Color: Not specified
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
Technical Specifications
| Parameter | Conditions | Min | Typ | Max | Unit | Notes |
| Electrical Characteristics | ||||||
| Supply Voltage | Operating | 2.5 | 3 | 5.5 | V | |
| Supply Current Awake | 1.8 | 3 | mA | |||
| Supply Current Sleep | 4 | 10 | A | |||
| Average Supply Current | 8 | 15 | A | |||
| Output Current | 1.0 | mA | ||||
| Saturation Voltage | IOUT=1.0mA | 0.4 | V | |||
| Awake Mode Time | Operating | 120 | s | |||
| Sleep Mode Time | Operating | 80 | 120 | ms | ||
| Duty Cycle | 0.15 | % | ||||
| Chopper Frequency | 15 | kHz | ||||
| Magnetic Characteristics (TO92S TYPE B) | ||||||
| Operating Point (South Pole) | B>BOPS, VOUT=low | 15 | 30 | 55 | Gauss | |
| Operating Point (North Pole) | B>BOPN, VOUT=low | -55 | -30 | -15 | Gauss | |
| Releasing Point (South Pole) | B<BRPS, VOUT=high | 5 | 20 | 45 | Gauss | |
| Releasing Point (North Pole) | B<BRPN, VOUT=high | -45 | -20 | -5 | Gauss | |
| Hysteresis | |BOPX - BRPX| | 10 | Gauss | 7 | ||
| Magnetic Characteristics (SC59 and DFN-2X2-3) | ||||||
| Operating Point (South Pole) | B>BOPS, VOUT=low | 20 | 30 | 40 | Gauss | |
| Operating Point (North Pole) | B>BOPN, VOUT=low | -40 | -30 | -20 | Gauss | |
| Releasing Point (South Pole) | B<BRPS, VOUT=high | 5 | 20 | 32 | Gauss | |
| Releasing Point (North Pole) | B<BRPN, VOUT=high | -32 | -20 | -5 | Gauss | |
| Hysteresis | |BOPX - BRPX| | 10 | Gauss | 7 | ||
| Absolute Maximum Ratings | ||||||
| Supply Voltage | 7 | V | ||||
| Supply Current (Fault) | 6 | mA | ||||
| Output Voltage | 7 | V | ||||
| Output Current | 2 | mA | ||||
| Power Dissipation (TO92S TYPE B) | @TA=+25C | 400 | mW | |||
| Power Dissipation (SC59) | @TA=+25C | 230 | mW | |||
| Power Dissipation (DFN-2X2-3) | @TA=+25C | 230 | mW | |||
| Storage Temperature | -55 | +150 | C | |||
| Junction Temperature | +150 | C | ||||
| ESD (Human Body Model) | 6000 | V | 5 | |||
| ESD (Machine Model) | 400 | V | 5 | |||
2304140030_DIODES-AH9247-W-7_C176937.pdf
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