The AAL024-10E high-performance magnetometer has high sensitivity, high linearity, low-hysteresis, and cross-axis sensitivity, making it ideal for noncontact current-sensing.
Features:
3.6 mv/V/Oe typical sensitivity for large output signals and low noise
Wide linear range: 0.15 – 1.05 mT; 1.5 mT saturation
2.2 kΩ bridge resistance/1.1 kΩ output impedance for easy interface
Low offset: 4 mV/V max.
Low hysteresis: 2% max. for excellent repeatability
Wide bandwidth: 100 kHz
63 V minimum inherent isolation (pad to electrical connections)
Ultraminiature 2.5 mm x 2.5 mm TDFN6 package
Applications:
Current sensing
Low-field sensing for magnetic media
Earths magnetic field detection
Low-Hysteresis Magnetometer
senses fields from permanent magnets, earth, and current sources.
Typ. Saturation Field (Oe)
Linear Range(|Oe|)
min.-max.
Sensitivity (mV/V/Oe)
min.-max.
Resistance
(Ohms)
Package
15
1.5 - 10.5
3.0 - 4.2
2200 ±20%
TDFN6
(RoHS)
Note: Parts are sold in increments of 100 for quantities of 100 or more.
This part is RoHS compliant.
The
ACT001-10E is a high-sensitivity, inline analog TMR current sensor for AC or DC
measurements. An integrated current strap senses current, and a TMR bridge sensor
element provides a Wheatstone bridge differential output. The output is bipolar
and proportional to the current through the strap. The sensor has a -500 mA to
+500 mA linear range, with a typical sensitivity of 0.04 mV/V-mA.
The part comes in an ultraminiature DFN6 package.
The evaluation board includes three sensor over current-trace modules with three AAL024-10E TDFN current sensors.
The board measures 1.565" x 2.915" (40 mm by 74 mm), and includes three separable modules. The three modules are optimized to measure currents of 0-0.75A, 0-5A, and 0-50A.
This demonstration features the ALT025 low hysteresis, high-speed TMR magnetometer and a high current PCB layout, optimized for the detection of +/- 200 amps. The board has sturdy screw terminal connections for current input, and it has header pins for sensor power and output.
The AG951-07 Evaluation Kit has everything you need to calibrate, test, and evaluate
the remarkable SM324-10E Smart TMR Magnetometer. The kit includes:
An evaluation board with:
- an SM324-10E sensor.
- a microcontroller connected to the sensor via I²C.
- a current-carrying trace under the sensor for evaluating as a current sensor.
A powerful, intuitive graphical user interface.
Simple software installation.
Flexibility to power from USB or an external power supply.
Isolated USB interface for safety and noise minimization.
USB cable to connect the Evaluation Board to a computer.
A small ceramic magnet for evaluating as a proximity sensor.
The AG952-07 Evaluation Kit has everything you need to calibrate, test, and evaluate
the easy-to-use SM124-10E Smart Magnetometer. The kit includes:
A 1" x 1.6" (25 mm x 41 mm) evaluation board with:
- an SM124-10E sensor.
- a microcontroller connected to the sensor via I²C.
- a current-carrying trace under the sensor for evaluating as a current sensor.
A simple, intuitive graphical user interface.
Simple software installation.
USB cable to connect the Evaluation Board to a computer.
A small ceramic magnet for evaluating as a proximity sensor.
The AG953-07 Evaluation Kit has everything you need to test and evaluate
the easy-to-use SM225-10E Smart Magnetometer. The kit includes:
A 1" x 1.6" (25 mm x 41 mm) evaluation board with:
- an SM225-10E sensor.
- a microcontroller connected to the sensor via SPI.
- a current-carrying trace under the sensor for evaluating as a current sensor.
A PWM board output for an analog representation of the measured magnetic field.
A simple, intuitive graphical user interface.
Simple software installation.
USB cable to connect the Evaluation Board to a computer.
A small ceramic magnet for evaluating as a proximity sensor.
The AG953H-07 demonstrates high current measurement with the SM225-10E Smart TMR Magnetometer. A 1/4" x 1/2" busbar is mounted to the PCB, and the sensor can detect up to +/-650 amps. Based on the AG953-07E Evaluation Kit, a powerful, intuitive graphical user interface allows the user to control sensor offset, calibration, filtering, and memory.
The AG962-07 Evaluation Kit has everything you need to calibrate, test, and evaluate
the easy-to-use SM125-10E Smart Magnetometer. The kit includes:
A 1" x 1.6" (25 mm x 41 mm) evaluation board with:
- an SM125-10E sensor.
- a microcontroller connected to the sensor via I²C.
- a current-carrying trace under the sensor for evaluating as a current sensor.
A simple, intuitive graphical user interface.
Simple software installation.
USB cable to connect the Evaluation Board to a computer.
A small ceramic magnet for evaluating as a proximity sensor.
The AG973-07 Evaluation Kit has everything you need to test and evaluate
the easy-to-use SM223-10E I2C Smart Magnetometer. The kit includes:
A 1" x 1.6" (25 mm x 41 mm) evaluation board with:
- an SM228-10E sensor.
- a microcontroller connected to the sensor via I2C.
- a current-carrying trace under the sensor for evaluating as a current sensor.
An LED indicating the state of the threshold output.
A PWM board output for an analog representation of the measured magnetic field.
A simple, intuitive graphical user interface.
Simple software installation.
USB cable to connect the Evaluation Board to a computer.
A small ceramic magnet for evaluating as a proximity sensor.
This 2” x 2” square evaluation board allows you to test the remarkable
ACT001-10E current sensor and a common application circuit.
The ACT001-10E is a fully-isolated, inline current sensor with
an on-chip current strap. A Wheatstone bridge manufactured
with NVE’s state-of-the-art tunneling magnetoresistance (TMR)
sensor elements detects the magnetic field from the input current
across NVE’s unique polymer isolation barrier.
The ALT021 is an ultrahigh sensitivity Tunneling Magnetoresistance (TMR) analog bridge magnetic sensor. The differential bridge
output is bipolar, meaning it is positive for a positive field and negative for an opposite field polarity.
Features:
±0.25 mT linear range
Ultrahigh sensitivity (500 mV/V/mT typical)
Large output signal (200 mV/V/mT typical)
0 - 10 V power supply
Wheatstone bridge magnetometer configuration
20 kiloohm device resistance for low power
Up to 300 kHz frequency bandwidth
2.5 x 2.5 mm TDFN6 package
–40 to 125°C
Applications:
Motion, speed, and position control
Non-contact current sensing
Mechatronics and robotics
Navigation
The ALT023-10E is a Tunneling Magnetoresistance (TMR) analog bridge magnetic sensor
with extraordinary sensitivity. The differential bridge
output is bipolar, meaning it is positive for a positive field and negative for
an opposite field polarity.
Features:
±1 mT linear range
Large signal (200 mV/V typical)
Extraordinary sensitivity (200 mV/V/mT typical)
Wheatstone bridge magnetometer configuration
0 - 10 V power supply
20 kiloohm device resistance for low power
High linearity output (
This evaluation board measures zero to one amp with just four connections--two for the power supply and two for a differential output. The board is based on the revolutionary ALT023-10E TMR magnetometer, which is ideal for noncontact current sensing. The current-over-trace configuration provides inherent isolation and is more efficient than a shunt.
The board has a sensor plus screw terminals for current connections, a standard 0.1-inch header for sensor connections, and a 1 mm pitch card-edge connector.
The board comes with a business-card size guide with pinouts and specifications. A QR code provides a link to the sensor datasheet.
The board measures 0.9" x 0.5" x 0.063" (22 x 12 x 1.6 mm)
This evaluation board measures zero to seven amps with just four connections--two for the power supply and two for a differential output. The board is based on the revolutionary ALT023-10E TMR magnetometer, which is ideal for noncontact current sensing. The current-over-trace configuration provides inherent isolation and is more efficient than a shunt.
The board has a sensor plus screw terminals for current connections, a standard 0.1-inch header for sensor connections, and a 1 mm pitch card-edge connector.
The board comes with a business-card size guide with pinouts and specifications. A QR code provides a link to the sensor datasheet.
The board measures 0.9" x 0.5" x 0.063" (22 x 12 x 1.6 mm)
This evaluation board measures zero to seven amps with just four connections--two for the power supply and two for a differential output. The board is based on the revolutionary ALT023-10E TMR magnetometer, which is ideal for noncontact current sensing. The current-over-trace configuration provides inherent isolation and is more efficient than a shunt.
The board has a sensor plus 1/4" screw terminals for current connections, a standard 0.1-inch header for sensor connections, and a 1 mm pitch card-edge connector.
The board comes with a business-card size guide with pinouts and specifications. A QR code provides a link to the sensor datasheet.
The board measures 2.0" x 1.9" x 0.63" (52 x 48 x 1.6 mm)
The ALT025 is a Tunneling Magnetoresistance (TMR) analog bridge magnetic sensor
with an extraordinary amount of signal and linear range. The differential bridge
output is bipolar, meaning it is positive for a positive field and negative for
an opposite field polarity. The ALT025 has cross-axis sensitivity (across the pads).
Features:
High sensitivity (8 mV/V/mT typical)
Wheatstone bridge magnetometer configuration
0 - 10 V power supply
20 kiloohm device resistance for low power
±10 mT (±100 Oe) linear range
High linearity output (
The SM124-10E Smart Magnetometer combines an omnipolar GMR sensor element with
with easy-to-use digital signal processing.
A digital output provides precise, programmable thresholds.
An I²C interface provides magnetic field data, as well as a
calibration interface. The device is factory calibrated for accuracy. Calibration coefficients are stored in internal nonvolatile memory.
All commands, data, and coefficients are a single byte, and a
slick, elegant data structure lets you get up and running with
a minimum of firmware.
Key features include:
Can detect magnets more than 50 mm away
I²C and digital threshold outputs
0-1 mT linear range
8-bit / 1% output resolution
−40°C to +125°C operating range
5% FS accuracy for 0 to 85°C
10 kSps sample rate for fast response
6 mA typical supply current
In-plane sensitivity more usable than Hall effect sensors
Programmable offset and gain compensation
Optional magnet temperature compensation
2.2 to 3.6 volt supply
Ultraminiature 2.5 x 2.5 x 0.8 mm TDFN package
The SM125-10E Smart Magnetometer combines an omnipolar GMR sensor element with
with easy-to-use digital signal processing.
A digital output provides precise, programmable thresholds.
An I²C interface provides magnetic field data, as well as a
calibration interface. The device is factory calibrated for accuracy. Calibration coefficients are stored in internal nonvolatile memory.
All commands, data, and coefficients are a single byte, and a
slick, elegant data structure lets you get up and running with
a minimum of firmware.
Key features include:
Can detect magnets more than 50 mm away
I²C and digital threshold outputs
0-4 mT linear range
8-bit / 1% output resolution
−40°C to +125°C operating range
5% FS accuracy for 0 to 85°C
10 kSps sample rate for fast response
6 mA typical supply current
In-plane sensitivity more usable than Hall effect sensors
Programmable offset and gain compensation
Optional magnet temperature compensation
2.2 to 3.6 volt supply
Ultraminiature 2.5 x 2.5 x 0.8 mm TDFN package
The SM223-10E Smart Magnetometer combines a Tunneling Magnetoresistance (TMR) sensor element with
sophisticated digital signal processing for a unique combination of speed and precision. An I2C interface provides data as well as an external programming interface, and allows setting a versatile digital threshold output.
Unlike awkward, old-fashioned Hall-effect sensors, TMR is sensitive in-plane for
optimal current sensing and easy mechanical interfaces. Key features include:
0 to 1.5 mT linear range
Can detect magnets more than 150 mm away
Simple I2C interface
Programmable digital threshold output
2% of full-scale accuracy for 0 to 125°C
Fast 10000 sample-per-second update rate
Factory calibrated
Programmable offset and gain compensation
-40°C to +125°C operating range
Ultraminiature 2.5 x 2.5 mm DFN6 package