LIS33DETR datasheet by STMicroelectronics

LIS33DETR Frequently Asked Questions (FAQs)

• What is the recommended power-on sequence for the LIS33DETR?
  The recommended power-on sequence is to apply VDDIO before VDD. This ensures that the internal voltage regulators are properly powered up.
• How do I configure the LIS33DETR for low-power mode?
  To configure the LIS33DETR for low-power mode, set the LPEN bit in the CTRL_REG1 register to 1. This reduces the current consumption to approximately 10 μA.
• What is the purpose of the self-test feature in the LIS33DETR?
  The self-test feature is used to verify the integrity of the sensor's mechanical structure and the electrical connections. It applies a known stimulus to the sensor and measures the response to ensure proper operation.
• How do I interpret the output data from the LIS33DETR?
  The output data from the LIS33DETR is a 16-bit, two's complement value representing the acceleration in each axis (x, y, z). The data is scaled according to the selected full-scale range (±2g, ±4g, ±8g, or ±16g).
• What is the maximum sampling rate of the LIS33DETR?
  The maximum sampling rate of the LIS33DETR is 1.6 kHz (ODR = 1600 Hz) in normal mode, and 3.2 kHz (ODR = 3200 Hz) in low-power mode.