Precision, Miniature MEMS IMU
Data Sheet
ADIS16505
FEATURES
GENERAL DESCRIPTION
Triaxial, digital gyroscope
The ADIS16505 is a precision, miniature microelectromechanical
system (MEMS) inertial measurement unit (IMU) that includes
a triaxial gyroscope and a triaxial accelerometer. Each inertial
sensor in the ADIS16505 combines with signal conditioning
that optimizes dynamic performance. The factory calibration
characterizes each sensor for sensitivity, bias, alignment,
linear acceleration (gyroscope bias), and point of percussion
(accelerometer location). As a result, each sensor has dynamic
compensation formulas that provide accurate sensor
12ꢀ°/sec, ꢀ00°/sec, 2000°/sec dynamic range models
2.3°/hr in-run bias stability (ADIS16ꢀ0ꢀ-1)
0.13°/√hr angular random walk, x-axis and y-axis, 1 σ
(ADIS16ꢀ0ꢀ-1)
0.2ꢀ° axis to axis misalignment error
Triaxial, digital accelerometer, 78.4 m/secꢁ dynamic range
26.ꢀ μm/secꢁ in-run bias stability (x-axis and y-axis)
Triaxial, delta angle and delta velocity outputs
Factory calibrated sensitivity, bias, and axial alignment
Calibration temperature range: −40°C to +8ꢀ°C
SPI compatible data communications
measurements over a broad set of conditions.
The ADIS16505 provides a simplified, cost effective method for
integrating accurate, multiaxis inertial sensing into industrial
systems, especially when compared with the complexity and
investment associated with discrete designs. All necessary motion
testing and calibration are part of the production process at the
factory, greatly reducing system integration time. Tight orthogonal
alignment simplifies inertial frame alignment in navigation
systems. The serial peripheral interface (SPI) and register
structure provide a simple interface for data collection and
configuration control.
Programmable operation and control
Automatic and manual bias correction controls
Data ready indicator for synchronous data acquisition
External sync modes: direct, scaled, and output
On demand self-test of inertial sensors
On demand self-test of flash memory
Single-supply operation (VDD): 3.0 V to 3.6 V
14,700 m/sec2 mechanical shock survivability
Operating temperature range: −40°C to +10ꢀ°C
The ADIS16505 is available in a 100-ball, ball grid array (BGA)
package that is approximately 15 mm × 15 mm × 5 mm.
APPLICATIONS
Navigation, stabilization, and instrumentation
Unmanned and autonomous vehicles
Smart agriculture and construction machinery
Factory/industrial automation, robotics
Virtual/augmented reality
Internet of Moving Things
FUNCTIONAL BLOCK DIAGRAM
DR
RST
VDD
POWER
MANAGEMENT
GND
SELF TEST
INPUT/OUTPUT
OUTPUT
DATA
CS
TRIAXIAL
GYROSCOPE
REGISTERS
SCLK
DIN
CALIBRATION
TRIAXIAL
ACCELEROMETER
SPI
CONTROLLER
AND
FILTERS
USER
CONTROL
REGISTERS
TEMPERATURE
SENSOR
DOUT
CLOCK
ADIS16505
SYNC
Figure 1.
Rev. B
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