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 V | 54.4 |
| 1.8 V | 49.2 |
| 2.5 V | 30.4 |
| 3.6 V | 20.4 |
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.
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input capacitance | CI | 10 | pF | |||
| Output fall time | tF | 1 MHz | 20+0.1CB | 120 | ns | |
| Output fall time | tF | 3.4 MHz | 20+0.1CB | 120 | ns | |
| Output rise time | tR | 1 MHz | 300 | ns | ||
| Output rise time | tR | 3.4 MHz | 120 | ns | ||
| Setup time (start condition) | tSU.STA | 260 | ns | |||
| Hold time (start condition) | tHD.STA | 260 | ns | |||
| Setup time (stop condition) | tSU.STO | 260 | ns | |||
| Hold time (data) | tHD.DAT | 0 | ns | |||
| Setup time (data) | tSU.DAT | 50 | ns | |||
| Bus free time between stop and start condition | tBUF | 500 | ns | |||
| Clock low period | tLOW | 250 | ns | |||
| Clock high period | tHIGH | 60 | ns | |||
| Spike suppression time | tSP | 50 | ns | |||
| Pulse width of noise spike | tNOISE | 0 | 50 | ns | ||
| SDA setup time (repeated start condition) | tSU.REC | 50 | ns | |||
| SDA hold time (repeated start condition) | tHD.REC | 0 | ns | |||
| SDA setup time (stop condition) | tSU.STO | 260 | ns | |||
| SDA hold time (stop condition) | tHD.STO | 0 | ns | |||
| SDA setup time (data) | tSU.DAT | 50 | ns | |||
| SDA hold time (data) | tHD.DAT | 0 | ns | |||
| SDA setup time (start condition) | tSU.STA | 260 | ns | |||
| SDA hold time (start condition) | tHD.STA | 260 | ns | |||
| SDA bus free time between stop and start condition | tBUF | 500 | ns | |||
| SDA clock low period | tLOW | 250 | ns | |||
| SDA clock high period | tHIGH | 60 | ns | |||
| SDA spike suppression time | tSP | 50 | ns | |||
| SDA pulse width of noise spike | tNOISE | 0 | 50 | ns |
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 Number | Manufacturer | Package |
|---|---|---|
| LIS2DW12 | STMicroelectronics |
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