Data Sheet

ADIS16501

Precision, MEMS IMU

Rev. B

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FEATURES

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Triaxial digital gyroscope, ±500°/sec

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2.7°/hr in-run bias stability

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0.15°/√hr angular random walk, x-axis and y-axis, 1 σ

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±0.25° axis to axis misalignment error

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Triaxial digital accelerometer, ±14 g dynamic range

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12.7 µg in-run bias stability (x-axis and y-axis)

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Triaxial delta angle and delta velocity outputs

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Factory calibrated sensitivity, bias, and axial alignment

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Calibration temperature range: −40°C to +85°C

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SPI compatible data communications

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Programmable operation and control

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Automatic and manual bias correction controls

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Data ready indicator for synchronous data acquisition

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External sync modes: direct, scaled, and output

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On demand self test of inertial sensors

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Single-supply operation (VDD): 3.0 V to 3.6 V

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1500 g mechanical shock survivability

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Operating temperature range: −40°C to +105°C

APPLICATIONS

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Navigation, stabilization, and instrumentation

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Unmanned and autonomous vehicles

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Smart agriculture and construction machinery

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Factory/industrial automation, robotics

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Virtual/augmented reality

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Internet of Moving Things

GENERAL DESCRIPTION

The ADIS16501 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 ADIS16501 combines with signal conditioning that

optimizes dynamic performance. The factory calibration characteriz-

es each sensor for sensitivity, bias, alignment, linear acceleration

(gyroscope bias), and point of percussion (accelerometer location).

The ADIS16501 provides a simplified, cost-effective method for in-

tegrating 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.

The ADIS16501 is available in a 100-ball ball grid array (BGA) mod-

ule (MODULE) that is approximately 15 mm × 15 mm × 5.72 mm.

FUNCTIONAL BLOCK DIAGRAM

Figure 1. Functional Block Diagram