Details, datasheet, quote on part number: AH49E
DescriptionLinear Hall-effect IC
CompanyBCD Semiconductor
DatasheetDownload AH49E datasheet
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Features, Applications
Preliminary Datasheet LINEAR HALL-EFFECT IC General Description

The is a small, versatile linear Hall-effect device that is operated by the magnetic field from a permanent magnet or an electromagnet. The output voltage is set by the supply voltage and varies in proportion to the strength of the magnetic field. The integrated circuitry features low noise output, which makes it unnecessary to use external filtering. It also includes precision resistors to provide increased temperature stability and accuracy. The operating temperature range of these linear Hall sensors to 85oC, appropriate for commercial, consumer and industrial applications. The AH49E is available in standard TO-92S package.

Miniature Construction Power Consumption at VCC=5V for Energy Efficiency Single Current Sourcing Output Linear Output for Circuit Design Flexibility Low Noise Output Virtually Eliminates the Need for Filtering A Stable and Accurate Output Temperature Range to 85oC Responds to Either Positive or Negative Gauss


Current Sensing Motor Control Position Sensing Magnetic Code Reading Ferrous Metal Detector Vibration Sensing Liquid Level Sensing Weight Sensing

Pin Number 2 3 Pin Name VCC GND OUT Supply voltage Ground pin Output Function
Preliminary Datasheet LINEAR HALL-EFFECT IC Functional Block Diagram AH49E
AH49E Circuit Type Package TO-92S E1: Lead Free G1: Green Blank: Bulk

BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green package.


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