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MagnTek

MT1401A Datasheet Preview

MT1401A Datasheet

Hall-Effect Magnetic Position Sensors

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MT1401 Series
CMOS, Latch, Hall-Effect Magnetic Position Sensors
Features and Benefits
CMOS Technology
Magnetic Type: Latch
Wide Operating Voltage Range:
Supply Voltage 3.0~18V
℃ ℃Specified Operating Temperature Range:
From –40 ~125
High Magnetic Sensitivity
Bop=20Gauss, Brp=-20Gauss (typical)
Lower Power Consumption
Supply Current <3mA
Lead Free Package
Flat TO-92, SOT-23, SOT-89B
High ESD Rating
Open Drain Output
Reversed Power Supply Protection
RoHS Compliant
2011/65/EU
Applications
Automotive, Home appliances, Industrial
Electric Fan,Electric tools
Brushless DC Motor Communication
Magnetic Encoder
Solid-State Switch
Water Flow Sensor
Family Members
Part number
MT1401A
MT1401A-T
MT1401AT
MT1401BT
MT1401ET
Description
Flat TO-92 package, bulk packaging (1000pcs/bag)
Flat TO-92 package, Radial lead, bulk packaging (1000pcs/bag)
SOT-23 package, tape and reel packaging (3000pcs/bag)
SOT-89B package, tape and reel packaging (1000pcs/bag)
SOT-23(thin outline) package, tape and reel packaging (3000pcs/bag)
General Description
The MT1401 family, produced with CMOS technology, The Hall IC internally includes an on-chip Hall
voltage generator, a voltage regulator for operation with supply voltages of 3.0 to 18V, temperature
compensation circuitry, small-signal amplifier, Hall sensor with dynamic offset cancellation system,
Schmitt trigger and an open-drain output.
They are designed to respond to alternating North and South poles. While the magnetic flux density(B) is
larger than operate point (Bop), the output will be turned on (Low), the output is held until the magnetic flux
density(B) is lower than release point (Brp), then turn off (High).
The MT1401 family provides a variety of packages to customers: SOT-23/SOT-89B for surface mount and
TO-92 flat for through-hole mount. All packages are RoHS compliant.
www.magntek.de
Rev.8 12/2014
01/10




MagnTek

MT1401A Datasheet Preview

MT1401A Datasheet

Hall-Effect Magnetic Position Sensors

No Preview Available !

MT1401 Series
CMOS, Latch, Hall-Effect Magnetic Position Sensors
VS
Reference
Regulator
OSC
Dynamic offset
cancellation
Hall
element
Output
ITA COMP
Stage
GND
Functional Block Diagram
VOUT
Function Description
Definition of Magnetic Parameters
BOP:
Operating Point
Magnetic flux density applied on the branded side of the package which
turns the output driver ON (VOUT = Low)
BRP:
Release Point
Magnetic flux density applied on the branded side of the package which
turns the output driver OFF (VOUT = high)
BHYST: Hysteresis Window
BOP-BRP
Definition of Switching Function
Output (V)
Output (V)
North Pole BOP 0 BRP South Pole
Switching Behavior of AT
North Pole BRP 0 BOP South Pole
Switching Behavior of A, BT and ET
www.magntek.de
Rev.8 12/2014
02/10


Part Number MT1401A
Description Hall-Effect Magnetic Position Sensors
Maker MagnTek
Total Page 10 Pages
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