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three axis linear accelerometer ST LIS2DTW12TR with integrated temperature sensor and FIFO memory buffer

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three axis linear accelerometer ST LIS2DTW12TR with integrated temperature sensor and FIFO memory buffer

Product Overview

The LIS2DTW12 is an ultra-low-power, high-performance three-axis linear accelerometer and temperature sensor from the "femto" family. It offers user-selectable full scales of 2g/4g/8g/16g, measuring accelerations with output data rates from 1.6 Hz to 1600 Hz. The device features an embedded temperature sensor with 0.8 C typical accuracy and ODRs from 50 to 1.6 Hz. Its integrated 32-level FIFO buffer minimizes host processor intervention, and a self-test capability verifies sensor functionality. The LIS2DTW12 includes a dedicated engine for motion and acceleration detection, including free-fall, wakeup, tap recognition, activity/inactivity, stationary/motion detection, and orientation detection. It is available in a small, thin plastic land grid array (LGA) package and operates over an extended temperature range of -40 C to +85 C.

Product Attributes

  • Brand: STMicroelectronics
  • Certifications: ECOPACK, RoHS, Green compliant

Technical Specifications

ParameterValueUnit
Supply Voltage (Vdd)1.62 to 3.6V
I/O Supply Voltage (Vdd_IO)1.62 to Vdd+0.1V
Current Consumption (Power-down)50nA
Current Consumption (Low-Power Mode, ODR 100 Hz)5A
Current Consumption (High-Performance Mode, 12.5 Hz - 1600 Hz)90A
Accelerometer Full Scale2g / 4g / 8g / 16g
Accelerometer Noise Density (High-Performance Mode, 2g)90g/Hz
Accelerometer RMS Noise (Low-Power Mode, 2g)1.3mg(RMS)
Temperature Sensor Accuracy (0 C to 70 C)0.8C
Temperature Sensor Accuracy (-40 C to +85 C)1.3C
Accelerometer Data Output Resolution16-bit
Temperature Data Output Resolution8 to 12-bit
FIFO Buffer Size32-level
Communication InterfaceIC / SPI
SPI Clock FrequencyUp to 10MHz
IC Clock Frequency (Fast Mode)Up to 400kHz
Operating Temperature Range-40 to +85C
Shock Survivability10000g

2106080035_ST-LIS2DTW12TR_C2655085.pdf

Quality three axis linear accelerometer ST LIS2DTW12TR with integrated temperature sensor and FIFO memory buffer for sale
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