Current Sensors
SM324-10E: Ultraprecise Smart TMR Magnetometer, I2C, DFN6
The SM324-10E Smart Magnetometer combines a Tunneling Magnetoresistance (TMR) sensor element with
sophisticated digital signal processing for unmatched accuracy and precision. An I²C interface provides data as well as an external programming interface, and a digital output provides precise, programmable thresholds.
Unlike awkward, old-fashioned Hall-effect sensors, TMR is sensitive in-plane for
optimal current sensing and easy mechanical interfaces. Key features include:
• -2 to +2 mT
• Detects polarity
• Can detect magnets more than 50 mm away
• I²C and digital threshold outputs
• 24-bit output resolution
• In-plane sensitivity more usable than Hall effect sensors
• Programmable offset and gain compensation
• Calibrated internal temperature sensor
• Internal temperature compensation
• 1.68 to 3.6 volt supply
• Ultraminiature 2.5 x 2.5 x 0.8 mm DFN package
- Part Number:
- SM324-10E
- Quantity in Stock:
- 318
$6.88
SM228-10E: Smart TMR Magnetometer, 15 mT, I2C, TDFN6
The SM228-10E 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.
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 150 Oe / 0 to 15 mT linear range
• Can detect magnets more than 50 mm away
• 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
- Part Number:
- SM228-10E
- Quantity in Stock:
- 112
$6.88
SM225-10E: High-Speed Smart TMR Magnetometer, 15mT, SPI, TDFN6
The SM225-10E Smart Magnetometer combines a Tunneling Magnetoresistance (TMR) sensor element with
sophisticated digital signal processing for a unique combination of speed and precision. An SPI interface provides data as well as an external programming interface.
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 150 Oe / 0 to 15 mT linear range
• Can detect magnets more than 50 mm away
• SPI interface
• 2% of full-scale accuracy for 0 to 125°C
• Fast 15000 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 TDFN package
- Part Number:
- SM225-10E
- Quantity in Stock:
- 637
$6.88
SM223-10E: High-Speed Smart TMR Magnetometer, 1.5mT, I2C, TDFN6
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
- Part Number:
- SM223-10E
- Quantity in Stock:
- 5
$6.88
SM125-10E: General-Purpose 4 mT Smart GMR Magnetometer, TDFN6
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
- Part Number:
- SM125-10E
- Quantity in Stock:
- 2374
$6.88
SM124-10E: General-Purpose 1 mT Smart GMR Magnetometer, TDFN6
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
- Part Number:
- SM124-10E
$6.88
ALT025-10E: 0-10 mT TMR Bipolar Analog Sensor, 20 KOhm, x-axis, TDFN6
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 (
- Part Number:
- ALT025-10E
$12.00
ALT023-10E: 0-1 mT TMR Bipolar Analog Sensor, 20 KOhm, x-axis, TDFN6
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 (
- Part Number:
- ALT023-10E
- Quantity in Stock:
- 15
$12.00
ALT023-10E-EVB04: 50A TMR Current Sensor Evaluation Board
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)
- Part Number:
- ALT023-10E-EVB04
- Quantity in Stock:
- 48
$24.95
ALT023-10E-EVB03: 7A TMR Current Sensor Evaluation Board
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)
- Part Number:
- ALT023-10E-EVB03
- Quantity in Stock:
- 50
$24.95
ALT023-10E-EVB02: 1A TMR Current Sensor Evaluation Board
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)
- Part Number:
- ALT023-10E-EVB02
- Quantity in Stock:
- 50
$24.95
ALT021-10E: 0-0.25 mT TMR Bipolar Analog Sensor, 20 KOhm, x-axis, TDFN6
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
- Part Number:
- ALT021-10E
- Quantity in Stock:
- 9318
$12.00
AG974-07E: ACT001-10E Isolated Current Sensor Evaluation Board
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.
- Part Number:
- AG974-07E
- Quantity in Stock:
- 13
$50.00
AG973-07E: SM223-10E Smart I²C TMR Magnetometer Evaluation Kit
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.
- Part Number:
- AG973-07E
- Quantity in Stock:
- 6
$95.00
AG962-07E: SM125-10E Smart GMR Magnetometer Evaluation Kit
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.
- Part Number:
- AG962-07E
- Quantity in Stock:
- 3
$95.00
AG953H-07E: SM225-10E Bussbar Current Sensor Demonstration
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.
- Part Number:
- AG953H-07E
- Quantity in Stock:
- 1
$129.00
AG953-07E: SM225-10E Smart TMR Magnetometer Evaluation Kit
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.
- Part Number:
- AG953-07E
- Quantity in Stock:
- 3
$95.00
AG952-07E: SM124-10E Smart GMR Magnetometer Evaluation Kit
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.
- Part Number:
- AG952-07E
- Quantity in Stock:
- 5
$95.00
AG951-07E: SM324-10E Smart TMR Magnetometer Evaluation Kit
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.
- Part Number:
- AG951-07E
- Quantity in Stock:
- 20
$245.00
AG905-07E: ALT025 High Current PCB Demonstration
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.
- Part Number:
- AG905-07E
$75.00
