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Specifications
Sensitivity:
2.25mV/Gs;3.8mV/Gs
Current - Supply:
8.9uA
Operating Temperature:
-40℃~+85℃
Voltage - Supply:
1.6V~3.6V
Sensitivity Temperature Bleaching:
±3%/℃
Magnetic Field Range:
±40mT
Mfr. Part #:
AH8501-FDC-7
Package:
DFN2020-6
Key Attributes
Model Number:
AH8501-FDC-7
Product Description
Product Overview
The AH8501 is a high-accuracy, low-power linear Hall effect sensor featuring an 8-bit output resolution. Its output voltage is ratiometric to the supply voltage and proportional to magnetic flux density. Designed for a wide range of applications from battery-powered consumer electronics to industrial equipment, it operates from 1.6V to 3.6V and utilizes an externally controlled ENABLE pin for power-saving clocking. The device offers a typical sensitivity of 2.25mV/G at 1.8V and 3.8mV/G at 3V, with an accuracy of 3% at 25C. Available in a compact U-DFN2020-6 package, it minimizes PCB space.
Product Attributes
- Brand: Diodes Incorporated
- Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)
Technical Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
| Supply Voltage (VDD) | Operating | 1.6 | - | 3.6 | V |
| Operating Temperature Range | Operating | -40 | - | +85 | C |
| Supply Current (IDD_AWAKE) | Awake Period, VDD=1.8V | - | 1.35 | 1.7 | mA |
| Supply Current (IDD_AWAKE) | Awake Period, VDD=3V | - | 1.92 | 2.4 | mA |
| Supply Current (IDD_SLEEP) | Sleep Mode, VDD=1.8V | - | 8.93 | 15 | A |
| Supply Current (IDD_SLEEP) | Sleep Mode, VDD=3V | - | 11.1 | 18 | A |
| Supply Current (IDD_20Hz) | 20Hz Sample Rate, VDD=1.8V | - | 12.1 | 20 | A |
| Supply Current (IDD_20Hz) | 20Hz Sample Rate, VDD=3V | - | 15.7 | 25 | A |
| Supply Current (IDD_7kHz) | 7.14kHz Sample Rate, VDD=1.8V | - | 1.16 | 1.5 | mA |
| Supply Current (IDD_7kHz) | 7.14kHz Sample Rate, VDD=3V | - | 1.65 | 2.1 | mA |
| Supply Current (IDD_AUTORUN) | Auto-Run Mode, VDD=1.8V | - | 1.01 | 1.3 | mA |
| Supply Current (IDD_AUTORUN) | Auto-Run Mode, VDD=3V | - | 1.44 | 1.8 | mA |
| Initial Power On Time (tON_INITIAL) | VDD=1.8V, TA=+25C, CIN=0.1uF, VDD rise time=10us | - | 1 | - | ms |
| Initial Power On Time (tON_INITIAL) | VDD=3V, TA=+25C, CIN=0.1uF, VDD rise time=10us | - | 0.2 | - | ms |
| Minimum Pulse Width on ENABLE Pin (ten) | To Start One Conversion Cycle | - | 20 | - | s |
| Minimum Period of One Sample/Conversion Cycle (TCONV) | - | 100 | 140 | 200 | s |
| Maximum Sampling Frequency (fMAX) | - | - | 7.14 | - | kHz |
| Sampling Frequency (fEN_HIGH) | ENABLE = Logic High Continuously | - | 6.25 | - | kHz |
| Enable pin input low voltage (VEN_LOW) | VDD=1.8V | 0.4 | 0.5 | 0.6 | V |
| Enable pin input low voltage (VEN_LOW) | VDD=3.0V | 0.8 | 0.9 | 1 | V |
| Enable pin input high voltage (VEN_HIGH) | VDD=1.8V | 1.2 | 1.3 | 1.4 | V |
2210281000_DIODES-AH8501-FDC-7_C842151.pdf
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