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LSM303AHTR

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e-Compass: 3D digital accelerometer, 3D digital magnetometer

Quantity $ per Unit Savings
1 - 9$5.8328%
10 - 24$4.540%
25 - 99$3.6819%
100 - 249$3.2528%
250 - 499$3.2030%
500$2.7440%
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$4.54
Parameter NameParameter Value
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameLGA 2X2X1 12LD PITCH 0.5MM

The LSM303AH is an ultra-low-power high-performance system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor.


The LSM303AH has user-selectable linear acceleration full scales of ±2g/±4g/±8g/±16 g and is capable of measuring accelerations with output data rates from 1 Hz to 6400 Hz. The device has a magnetic field dynamic range of ±50 gauss with output data rates from10 Hz to 100 Hz. The LSM303AH includes an I2C serial bus interface that supports standard, fast mode, fast mode plus, and high-speed (100 kHz, 400 kHz, 1 MHz, and 3.4 MHz) and an SPI serial standard interface.


The LSM303AH has an integrated 256-level first-in, first-out (FIFO) buffer allowing the user to store data in order to limit intervention by the host processor. The FIFO buffer applies only to the accelerometer.


The embedded self-test capability allows the user to check the functioning of the sensor in the final application.


The system can be configured to generate an interrupt signal for free-fall, motion detection and magnetic field detection. The magnetic and accelerometer blocks can be enabled or put into power-down mode separately.


The LSM303AH is available in a plastic land grid array package (LGA) and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.

Key features
  • 3 magnetic field channels and 3 acceleration channels
  • ±50 gauss magnetic dynamic range
  • ±2/±4/±8/±16 g selectable acceleration full scales
  • Anti-aliasing filter
  • 16-bit data output
  • SPI / I2C serial interfaces
  • Analog supply voltage 1.71 V to 1.98 V
  • Programmable interrupt generators for free-fall, motion and magnetic field detection
  • Embedded self-test
  • Embedded 256-level FIFO
  • Embedded temperature sensor
  • Embedded digital functions: step detector, step counter, significant motion and tilt
  • ECOPACK®, RoHS and “Green” compliant
Associated Products