☀FULL RESOLUTION: where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all g ranges)
☀MULTIPLE SENSING DETECT: Activity and inactivity sensing detect the presence or lack of motion by comparing the acceleration on any axis with user-set thresholds. Tap sensing detects single and double taps in any direction. Free fall sensing detects if the device is falling.
☀COMMUNICATION: It uses both I2C and SPI (supports 3-, 4-wire SPI) interface.
☀WIDELY APPLICATIONS: Handsets, Medical instrumentation, Gaming and pointing devices, Industrial instrumentation, Personal navigation devices, Hard disk drive (HDD) protection, Portable gaming.
☀ULTRA LOW POWER: as low as 23 μA in measurement mode and 0.1 μA in standby mode at VS = 2.5 V (typical).
وصف
The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.
Accelerometer Features:
Supply voltage range: 2.0 V to 3.6 V
Digital-output triple-axis accelerometer with a programmable full scale range of ±2g, ±4g, ±8g and ±16g and integrated 16-bit ADCs
Accelerometer normal operating current: 450µA
Ultralow power: as low as 23 μA in measurement mode and 0.1 μA in standby mode at VS = 2.5 V (typical)
Sleep mode current: 8µA
Communication: SPI (3- and 4-wire) and I2C digital interfaces
User-programmable interrupts
Wake-on-motion interrupt for low power operation of applications processor
Package inlcuded:
3 X GY-291 ADXL345 3-Axis Digital Acceleration of Gravity Tilt Module
-9%
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