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DRV5055A4QDBZR
Ratiometric linear hall effect sensor with analog output
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Manufacturer:
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Mfr.Part #:
DRV5055A4QDBZR
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Datasheet:
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Type:
Ratiometric bipolar
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Sensitivity (typ) (V/mT):
12.5, 25, 50, 100
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Accuracy (%):
5
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Bandwidth (kHz):
20
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EDA/CAD Models:
Availability: 7011 PCS
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DRV5055A4QDBZR General Description
The DRV5055 is a linear Hall effect sensor that responds proportionally to magnetic flux density. The device can be used for accurate position sensing in a wide range of applications.
The device operates from 3.3-V or 5-V power supplies. When no magnetic field is present, the analog output drives half of VCC. The output changes linearly with the applied magnetic flux density, and four sensitivity options enable maximal output voltage swing based on the required sensing range. North and south magnetic poles produce unique voltages.
Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.
The device uses a ratiometric architecture that can eliminate error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for its reference. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide –40°C to 125°C temperature range. Device options for no temperature compensation of magnet drift are also available.
Key Features
- Ratiometric Linear Hall Effect Magnetic Sensor
- Operates From 3.3-V and 5-V Power Supplies
- Analog Output With VCC / 2 Quiescent Offset
- Magnetic Sensitivity Options (At VCC = 5 V):
- A1/Z1: 100 mV/mT, ±21-mT Range
- A2/Z2: 50 mV/mT, ±42-mT Range
- A3/Z3: 25 mV/mT, ±85-mT Range
- A4/Z4: 12.5 mV/mT, ±169-mT Range
- Fast 20-kHz Sensing Bandwidth
- Low-Noise Output With ±1-mA Drive
- Compensation For Magnet Temperature Drift for A1/A2/A3/A4 Versions and None for Z1/Z2/Z3/Z4 Versions
- Standard Industry Packages:
- Surface-Mount SOT-23
- Through-Hole TO-92
Specifications
Type | Ratiometric bipolar | Sensitivity (typ) (V/mT) | 12.5, 25, 50, 100 |
Accuracy (%) | 5 | Bandwidth (kHz) | 20 |
Output | 0.2 V to Vcc | Supply voltage (min) (V) | 3 |
Supply voltage (max) (V) | 5.5 | Rating | Catalog |
Operating temperature range (°C) | -40 to 125 |
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Availability: 7011 PCS
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