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LSM303AHTR - STMicroelectronics

Description: Ultra-compact high-performance eCompass module: ultra-low-power 3D accelerometer and 3D magnetometer

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LSM303AHTR - STMicroelectronics - PCB symbol
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PCB Footprints
LSM303AHTR - STMicroelectronics PCB footprint - Other - Other - LGA-12
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3D Models
LSM303AHTR - STMicroelectronics - 3D model - Other - LGA-12
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LSM303AHTR Details

  • Manufacturer Part Number:

    LSM303AHTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    LGA-12

  • Manufacturer Package Code:

    LGA 2X2X1 12LD PITCH 0.5MM

  • Country Of Origin:

    Malta

  • ECCN Code:

    EAR99

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-PBGA-B12

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFLGA

  • Package Equivalence Code:

    LCC12,.08SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    1.98 V

  • Supply Voltage-Min (Vsup):

    1.71 V

  • Supply Voltage-Nom (Vsup):

    1.8 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    BUTT

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

  • Width:

    2 mm

LSM303AHTR Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to power up the accelerometer (ACC) first, followed by the magnetometer (MAG). This ensures proper initialization and avoids any potential issues with the device.
  • The LSM303AHTR has multiple operating modes, including low-power, normal, and high-resolution modes. The mode selection is done through the CTRL_REG1 and CTRL_REG2 registers. Refer to the datasheet for specific register settings and mode descriptions.
  • The internal low-pass filter helps to reduce noise and aliasing effects in the accelerometer and magnetometer outputs. It can be enabled or disabled through the CTRL_REG1 register. The filter cutoff frequency is approximately 220 Hz.
  • The magnetometer requires calibration to compensate for hard-iron and soft-iron effects. This can be done through a process called 'hard-iron calibration' and 'soft-iron calibration'. Refer to application notes and example code from STMicroelectronics for guidance on the calibration process.
  • The maximum sampling rate of the LSM303AHTR is 10 kHz for the accelerometer and 80 Hz for the magnetometer. However, the actual sampling rate may be limited by the host system's I2C or SPI bus speed.

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LSM303AHTR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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