Low Profile, Low Noise
Six Degrees of Freedom Inertial Sensor
Data Sheet
ADIS16375
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Triaxis digital gyroscope, 300°/sec
Tight orthogonal alignment: 0.05°
TEMPERATURE
SENSOR
Triaxis digital accelerometer: 18 g
Delta-angle/velocity calculations
Wide sensor bandwidth: 330 Hz
TRIAXIS MEMS
ANGULAR RATE
SENSOR
CS
SIGNAL
CONDITIONING
AND
CALIBRATION
AND
DIGITAL
OUTPUT
REGISTERS
AND SPI
SCLK
DIN
CONVERSION
INTERFACE
PROCESSING
High sample rate: 2.460 kSPS
DOUT
Autonomous operation and data collection
No external configuration commands required
Startup time: 500 ms
Factory calibrated sensitivity, bias, and axial alignment
Calibration temperature range: −40°C to +85°C
SPI-compatible serial interface
TRIAXIS MEMS
ACCELERATION
SENSOR
VDDRTC
VCC
ALARMS
POWER
MANAGEMENT
DIGITAL
CONTROL
SELF-TEST
GND
Embedded temperature sensor
ADIS16375
Programmable operation and control
Automatic and manual bias correction controls
4 FIR filter banks, 120 configurable taps
Digital I/O: data-ready, alarm indicator, external clock
Alarms for condition monitoring
Power-down/sleep mode for power management
Enable external sample clock input: up to 2.25 kHz
Single-command self test
RST DIO1 DIO2 DIO3 DIO4
Figure 1.
GENERAL DESCRIPTION
The ADIS16375 iSensor® is a complete inertial system that includes
a triaxis gyroscope and triaxis accelerometer. Each sensor in the
ADIS16375 combines industry-leading iMEMS® technology
with signal conditioning that optimizes dynamic performance.
The factory calibration characterizes each sensor for sensitivity,
bias, alignment, and linear acceleration (gyro bias). As a result,
each sensor has its own dynamic compensation formulas that
provide accurate sensor measurements over a temperature
range of −40°C to +105°C.
Single-supply operation: 3.3 V
2000 g shock survivability
Operating temperature range: −40°C to +105°C
APPLICATIONS
Precision instrumentation
Platform stabilization and control
Industrial vehicle navigation
Downhole instrumentation
Robotics
The ADIS16375 provides a simple, 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.
An improved SPI interface and register structure provide faster
data collection and configuration control.
This compact module is approximately 44 mm × 47 mm × 14 mm
and provides a flexible connector interface that enables multiple
mounting orientation options.
Rev. E
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