LIS2DW12TR

LIS2DW12

Manufacturer

STMicroelectronics

Category

Sensors, Transducers

Package

12-WFLGA

Lifecycle

Active

Overview

Part: LIS2DW12

Type: 3-axis Accelerometer

Key Specs:

  • Power consumption (power-down mode): 50 nA
  • Power consumption (active low-power mode): below 1 μA
  • Noise (low-power mode): down to 1.3 mg RMS
  • Supply voltage: 1.62 V to 3.6 V
  • Full scale: ±2g/±4g/±8g/±16g
  • Output data rates: 1.6 Hz to 1600 Hz
  • High shock survivability: 10000 g
  • Operating temperature range: -40°C to +85°C

Features:

  • Ultralow power consumption: 50 nA in power-down mode, below 1 μA in active low-power mode
  • Very low noise: down to 1.3 mg RMS in low-power mode
  • Multiple operating modes with multiple bandwidths
  • Android stationary detection, motion detection
  • Independent I/O supply
  • High-speed I²C/SPI digital output interface
  • Single data conversion on demand
  • 16-bit data output
  • Embedded temperature sensor
  • Self-test
  • 32-level FIFO
  • 10000 g high shock survivability
  • ECOPACK and RoHS compliant
  • Dedicated internal engine for motion and acceleration detection (free-fall, wakeup, single/double-tap recognition, activity/inactivity, stationary/motion detection, portrait/landscape detection, and 6D/4D orientation)

Applications:

  • Motion detection for wearables
  • Gesture recognition and gaming
  • Motion-activated functions and user interfaces
  • Display orientation
  • Tap/double-tap recognition
  • Free-fall detection
  • Smart power saving for handheld devices
  • Hearing aids
  • Portable healthcare devices
  • Wireless sensor nodes
  • Motion-enabled metering devices

Package:

  • Small thin plastic, land grid array (LGA) package

Features

  • Ultralow power consumption: 50 nA in power-down mode, below 1 μA in active low-power mode
  • Very low noise: down to 1.3 mg RMS in low-power mode
  • Multiple operating modes with multiple bandwidths
  • Android stationary detection, motion detection
  • Supply voltage, 1.62 V to 3.6 V
  • Independent I/O supply
  • ±2g/±4g/±8g/±16g full scale
  • High-speed I²C/SPI digital output interface
  • Single data conversion on demand
  • 16-bit data output
  • Embedded temperature sensor
  • Self-test
  • 32-level FIFO
  • 10000 g high shock survivability
  • ECOPACK and RoHS compliant

Applications

  • Motion detection for wearables
  • Gesture recognition and gaming
  • Motion-activated functions and user interfaces
  • Display orientation
  • Tap/double-tap recognition
  • Free-fall detection
  • Smart power saving for handheld devices
  • Hearing aids
  • Portable healthcare devices
  • Wireless sensor nodes
  • Motion-enabled metering devices

Pin Configuration

SELF TEST

1.1 Block diagram

Figure 1. Block diagram

CLOCK

32 Level FIFO

TRIMMING

CIRCUITS REFERENCE

Electrical Characteristics

2.1 Mechanical characteristics

@Vdd = 1.8 V, T = 25°C unless otherwise noted. The product is factory calibrated at 1.8 V. The operational power supply range is from 1.62 V to 3.6 V.

| Vdd_IO | Resistor value for SDO/SA0 and CS pins |

Typ. (kΩ)
1.7 V54.4
1.8 V49.2
2.5 V30.4
3.6 V20.4

Table 3. Mechanical characteristics

1. Typical specifications are not guaranteed.

2. Noise density is the same for all ODRs. Low-noise setting enabled.

3. RMS noise is the same for all ODRs. Low-noise setting enabled.

4. Values after factory calibration test and trimming.

Absolute Maximum Ratings

Stresses above those listed as "absolute maximum ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

ParameterSymbolConditionsMinTypMaxUnit
Input capacitanceCI10pF
Output fall timetF1 MHz20+0.1CB120ns
Output fall timetF3.4 MHz20+0.1CB120ns
Output rise timetR1 MHz300ns
Output rise timetR3.4 MHz120ns
Setup time (start condition)tSU.STA260ns
Hold time (start condition)tHD.STA260ns
Setup time (stop condition)tSU.STO260ns
Hold time (data)tHD.DAT0ns
Setup time (data)tSU.DAT50ns
Bus free time between stop and start conditiontBUF500ns
Clock low periodtLOW250ns
Clock high periodtHIGH60ns
Spike suppression timetSP50ns
Pulse width of noise spiketNOISE050ns
SDA setup time (repeated start condition)tSU.REC50ns
SDA hold time (repeated start condition)tHD.REC0ns
SDA setup time (stop condition)tSU.STO260ns
SDA hold time (stop condition)tHD.STO0ns
SDA setup time (data)tSU.DAT50ns
SDA hold time (data)tHD.DAT0ns
SDA setup time (start condition)tSU.STA260ns
SDA hold time (start condition)tHD.STA260ns
SDA bus free time between stop and start conditiontBUF500ns
SDA clock low periodtLOW250ns
SDA clock high periodtHIGH60ns
SDA spike suppression timetSP50ns
SDA pulse width of noise spiketNOISE050ns

Table 9. Absolute maximum ratings

Note: Supply voltage on any pin should never exceed 4.8 V.

This device is sensitive to mechanical shock, improper handling can cause permanent damage to the part.

This device is sensitive to electrostatic discharge (ESD), improper handling can cause permanent damage to the part.

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
LIS2DW12STMicroelectronics
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