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Diodes Semiconductor Electronic Components Datasheet


AH49F

LINEAR HALL EFFECT IC


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AH49F pdf
A Product Line of
Diodes Incorporated
AH49F
LINEAR HALL EFFECT IC
Description
The AH49F 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 components. It also includes
precision resistors to provide increased temperature stability and
accuracy. The operating temperature range of these linear Hall
sensors is -40°C to +105°C, appropriate for commercial, consumer,
and industrial environments.
The AH49F is available in standard TO-92S, SC59 and U-DFN2020-6
packages.
Pin Assignments
(Front View)
3
2
1
TO-92S
OUT
GND
VCC
(Top View)
GND
3
1
VCC
2
OUT
SC59
Features
Power Consumption of 3.0mA at VCC = 5V for Energy Efficiency
Single Current Sourcing Output
Linear Voltage Output for Circuit Design Flexibility
Low Noise Output Virtually Eliminates the Need for Filtering
A Stable and Accurate Output
Temperature Range: -40°C to +105°C
Responds to Either Positive or Negative Gauss
The Maximum Instantaneous Supply Voltage Up to 50V
High ESD Rating: 6000V (Human Body Model)
600V (Machine Model)
Small low profile U-DFN2020-6 and Industry Standard SC59 and
TO-92S Packages
Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. GreenDevice (Note 3)
(Top View)
OUT 1
NC 2
VCC 3
6 NC
5 GND
4 NC
U-DFN2020-6
Applications
Position Sensing
Liquid Level Sensing
Weight Sensing
Ferrous Metal Detector
Vibration Sensing
Rotary Encoder
Magnetic Code Reading
Motor Control
Current Sensing
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AH49F
Document number: DS36518 Rev. 2 - 2
1 of 12
www.diodes.com
June 2014
© Diodes Incorporated



No Preview Available !

AH49F pdf
A Product Line of
Diodes Incorporated
Pin Descriptions
Package Type: TO-92S
Pin Number
1
2
3
Pin Name
VCC
GND
OUT
Power supply pin
Ground pin
Output pin
Description
Package Type: SC59
Pin Number
1
2
3
Pin Name
VCC
OUT
GND
Power supply pin
Output pin
Ground pin
Description
Package Type: U-DFN2020-6
Pin Number
1
2
3
4
5
6
Pad
Pin Name
OUT
NC
VCC
NC
GND
NC
Pad
Description
Output pin
No connection (Note 4)
Power supply pin
No connection (Note 4)
Ground pin
No connection (Note 4)
Center exposed pad is internally connected to GND. It can
be connected to GND or left open circuit on the PCB.
(Note 5)
Notes: 4. NC is “No Connection” pin and is not connected internally. This pin can be left open or tied to ground.
5. PAD is bottom side exposed pad;
Functional Block Diagram
AH49F
Hall Sensor
A(B)[C]
A for TO-92S
B for SC59
C for U-DFN2020-6
AH49F
Document number: DS36518 Rev. 2 - 2
1 (1) [3] VCC
Amplifier
65mA
(Typical)
3 (2) [1] OUT
2(3) [5]
GND
2 of 12
www.diodes.com
June 2014
© Diodes Incorporated



Part Number AH49F
Description LINEAR HALL EFFECT IC
Maker Diodes - Diodes
Total Page 12 Pages
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