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L3GD20TR - STMicroelectronics

Description: MEMS motion sensor: three-axis digital output gyroscope

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L3GD20TR - STMicroelectronics - PCB symbol
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L3GD20TR - STMicroelectronics PCB footprint - Other - Other - L3GD20TR
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L3GD20TR Details

  • Manufacturer Part Number:

    L3GD20TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    LGA

  • Package Description:

    LGA-16

  • Pin Count:

    16

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-PBGA-BU16

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFLGA

  • Package Equivalence Code:

    LCC16,.16SQ,25

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.4 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Gold (Ni/Au)

  • Terminal Form:

    BUTT

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    BOTTOM

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4 mm

L3GD20TR Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to first apply VDDIO, then VDD, and finally enable the gyroscope by setting the CS pin low. This ensures proper initialization and prevents damage to the device.
  • The self-test feature is enabled by setting the ST1 and ST0 bits in the CTRL_REG4 register. During self-test, the gyroscope outputs a predefined pattern. The device should be in standby mode (CS pin high) before enabling self-test, and the output should be ignored during this time.
  • The HP_FILTER_CUT_OFF register sets the high-pass filter cutoff frequency, which helps to remove the gravity component from the output data. This is useful for applications where the gyroscope is subject to vibrations or movements that are not of interest.
  • The raw output data is in 16-bit two's complement format, with a sensitivity of 8.75 mdps/LSB (least significant bit). To convert the raw data to angular rate values, multiply the raw data by the sensitivity value and divide by 32768 (2^15).
  • The L3GD20TR is a sensitive device and requires careful PCB layout and placement. Keep the device away from noise sources, use a solid ground plane, and minimize signal traces near the device. Use a decoupling capacitor (e.g., 100 nF) close to the device's power pins.

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L3GD20TR 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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