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AH8500

Diodes
Part Number AH8500
Manufacturer Diodes
Description LOW POWER/MICROPOWER LINEAR HALL EFFECT SENSOR
Published Aug 2, 2015
Detailed Description NEW PRODUCT AH8500 LOW POWER/MICROPOWER LINEAR HALL EFFECT SENSOR Description Pin Assignments The AH8500 is a low po...
Datasheet PDF File AH8500 PDF File

AH8500
AH8500

Overview
NEW PRODUCT AH8500 LOW POWER/MICROPOWER LINEAR HALL EFFECT SENSOR Description Pin Assignments The AH8500 is a low power/micropower linear Hall effect sensor with an 8-bit output resolution.
The output voltage is ratiometric to the supply voltage and proportional to the magnetic flux density perpendicular to the part marking surface.
The output null voltage is at half the supply voltage.
AH8500 has a typical sensitivity of 2.
1mV/G and 3.
55mV/G at 1.
8V and 3V.
The typical null voltage offset is less than 1% of VDD.
The device has a typical input referred rms noise of 0.
36G and 0.
24G at 1.
8V and 3.
0V.
Designed for battery powered consumer equipment to office equipment, home appliances and industrial applications, the AH8500 can operate over the supply range of 1.
6V to 3.
6V and uses an externally controlled ENABLE pin clocking system to control operating modes and sampling rates and to minimize the power consumption.
The typical average operating supply current is between 8.
9µA during “Sleep” mode and 1.
16mA at maximum sampling rate 1.
8V.
With a conversion pulse every 50ms at the ENABLE pin, the device achieves a micropower operation with the power consumption of 22µW typical at 1.
8V supply.
To minimize PCB space the AH8500 is available in small low profile U-DFN2020-6.
Features  Linear Hall Effect Sensor with +/-430G Sense Range and Output Voltage with 8-bit resolution  Supply Voltage of 1.
6V to 3.
6V  Sensitivity: 2.
1mV/G and 3.
55mV/G at 1.
8V and 3V at +25oC  Low Offset Voltage  Low Average Supply Current  8.
9µA Typical in Sleep Mode (Default) at 1.
8V  1.
01mA Typical in Auto-Run Mode ( 6.
25kHz) at 1.
8V  12µA Typical in External Drive Mode with 20Hz Sample Rate at 1.
8V  1.
16mA Typical in External Drive Mode with 7.
14kHz Sample Rate at 1.
8V  Chopper Stabilized Design with Superior Temperature Stability, Minimal Sensitivity Drift, Enhanced Immunity to Physical Stress  Output Voltage Maintained at „Sleep‟ Mode  -40°C to +85°C Operating Temperature  High ES...


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