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Part Number
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AD22157 |
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Manufacturer
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Analog Devices |
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Description
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Wheel Speed Sensor |
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Published
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Apr 13, 2015 |
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Detailed Description
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PRELIMINARY TECHNICAL DATA
Wheel Speed Sensor For ABS Systems
Preliminary Technical Data
FEATURES Speed and direction f...
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Datasheet
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AD22157
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Overview
PRELIMINARY TECHNICAL DATA
Wheel Speed Sensor For ABS Systems
Preliminary Technical Data
FEATURES Speed and direction from 0Hz to 2500Hz Air gap diagnostics 2-wire current-loop operation Wide Operating Temperature Range Functional during temperature excursions to 190C Reverse Supply Protected (-30V)
APPLICATIONS Automotive
Wheel speed and direction sensing Transmission speed sensing Industrial Incremental position sensing Proximity switching
Hall Array In Amps
AD22157
Functional Block Diagram
Vhigh
Tracker 1 PWM
7mA 7mA
Tracker 2
AD22157
Vlow
GENERAL DESCRIPTION The AD22157 is a mixed signal magnetic field transducer designed for applications where both speed sensing and direction se...
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