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STK8321
Digital Output 3-axis MEMS Accelerometer
1. OVERVIEW
Description
The STK8321 is a ±2g/±4g/±8g, 3-axis linear accelerometer, with digital output (I2C and SPI). It is a low profile capacitive MEMS sensor featuring, compensation for 0g offset and gain errors, and conversion to 12-bit digital values at user configurable samples per second. The device can be arranged for sensor data changes through the interrupt pins. The STK8321 is available in a small 2.0mm x 2.0mm x 1.0 mm LGA package and it is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.
Feature
Low Voltage Operation:
- Supply Internal Domain Voltage: 1.7V~3.6V
- I/O Voltage Range: 1.62V~3.6V
±2g/±4g±/8g dynamically selectable full-scale
I2C digital output interface
3-wire and 4-wire SPI digital output
2 physical interrupts
Low noise
12 bit data output
10000 g high shock survivability
2.0mm x 2.0mm x 1.0 mm LGA Package
Configurable Samples from 14 to 2000 samples per second
Sleep Feature for Low Power Consumption
On-chip interrupt controller, motion-triggered interrupt-signal generation for
- New data
- Any-motion (slope) detection
- Significant motion
On-chip FIFO, integrated 32 frames FIFO buffer
RoHS Compliant
Halogen Free
Environmentally Preferred Product
Moisture Sensitivity Level 3
Applications
Display orientation
Gaming and virtual reality input devices
Impact recognition and logging
Vibration monitoring and compensation
Pedometer
Activity trackers for fitness apps
Smart power management for mobile devices
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