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LINEAR HALL-EFFECT IC AH49E

Data Sheet

Aug. 2010 Rev. 1. 3 BCD Semiconductor Manufacturing Limited

General Description

The AH49E 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 pro-

portion 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 tem-

perature range of these linear Hall sensors is -40

C to

C, appropriate for commercial, consumer and

industrial applications.

The AH49E is available in standard TO-92S and SOT-

23-3 packages.

Features

· Miniature Construction

· Power Consumption of 3.5mA at V

=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 of -40

C to 85

· Responds to Either Positive or Negative Gauss

Applications

· Current Sensing

· Motor Control

· Position Sensing

· Magnetic Code Reading

· Ferrous Metal Detector

· Vibration Sensing

· Liquid Level Sensing

· Weight Sensing

Figure 1. Package Types of AH49E

TO-92S

SOT-23-3

1 2 3 4 5 6 7 8 9 10

Inhaltsverzeichnis

Seite 1

LINEAR HALL-EFFECT IC AH49E Data Sheet1Aug. 2010 Rev

Seite 2 - Pin Description

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Seite 3 - Ordering Information

LINEAR HALL-EFFECT IC AH49E Data Sheet2Aug. 2010 Rev

Seite 4

LINEAR HALL-EFFECT IC AH49E Data Sheet3Aug. 2010 Rev

Seite 5 - Electrical Characteristics

LINEAR HALL-EFFECT IC AH49E Data Sheet4Aug. 2010 Rev

Seite 6 - Transfer Characteristics (V

5Aug. 2010 Rev. 1. 3 BCD Semiconductor Manufacturing LimitedLINEAR HALL-EFFECT IC

Seite 7

LINEAR HALL-EFFECT IC AH49E Data Sheet6Aug. 2010 Rev

Seite 8 - Mechanical Dimensions

7Aug. 2010 Rev. 1. 3 BCD Semiconductor Manufacturing LimitedLINEAR HALL-EFFECT IC

Seite 9 - SOT-23-3 Unit: mm(inch)

LINEAR HALL-EFFECT IC AH49E Data Sheet8Aug. 2010 Rev

Seite 10

9Aug. 2010 Rev. 1. 3 BCD Semiconductor Manufacturing LimitedLINEAR HALL-EFFECT IC

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