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DRV5055 数据表(PDF) 1 Page - Texas Instruments |
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DRV5055 数据表(HTML) 1 Page - Texas Instruments |
1 / 30 page B south north OUT 0 mT 0 V VCC VL (MIN) VL (MAX) VCC / 2 OUT DRV5055 VCC Controller VCC GND ADC Copyright © 201 7, Texas Instrumen ts Incorpor ate d Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. DRV5055 SBAS640 – JANUARY 2018 DRV5055 Ratiometric Linear Hall Effect Sensor 1 1 Features 1 • 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: 100 mV/mT, ±21-mT Range – A2: 50 mV/mT, ±42-mT Range – A3: 25 mV/mT, ±85-mT Range – A4: 12.5 mV/mT, ±169-mT Range • Fast 20-kHz Sensing Bandwidth • Low-Noise Output With ±1-mA Drive • Compensation For Magnet Temperature Drift • Standard Industry Packages: – Surface-Mount SOT-23 – Through-Hole TO-92 2 Applications • Precise Position Sensing • Industrial Automation and Robotics • Home Appliances • Gamepads, Pedals, Keyboards, Triggers • Height Leveling, Tilt and Weight Measurement • Fluid Flow Rate Measurement • Medical Devices • Absolute Angle Encoding • Current Sensing 3 Description The DRV5055 device 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 Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DRV5055 SOT-23 (3) 2.92 mm × 1.30 mm TO-92 (3) 4.00 mm × 3.15 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Schematic Magnetic Response |
类似零件编号 - DRV5055 |
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类似说明 - DRV5055 |
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