GENERAL DESCRIPTION The ADIS16209 is a high accuracy, digital inclinometer that accommodates both single-axis (±180°) and dual-axis (±90°) operation. The standard supply voltage (3.3 V) and serial peripheral interface (SPI) enable simple integration into most industrial system designs. A simple internal register structure handles all output data and configuration features. This includes access to the following output data: calibrated acceleration, accurate incline angles, power supply, internal temperature, auxiliary analog and digital input signals, diagnostic error flags, and programmable alarm conditions. FEATURES Dual-mode inclinometer system Dual-axis, horizontal operation, ±90° Single-axis, vertical operation, ±180° High accuracy, 0.1° Digital inclination data, 0.025° resolution Digital acceleration data, 0.244 mg resolution ±1.7 g accelerometer measurement range Digital temperature sensor output Digitally controlled bias calibration Digitally controlled sample rate Digitally controlled frequency response Dual alarm settings with rate/threshold limits Auxiliary digital I/O Digitally activated self-test Digitally activated low power mode SPI-compatible serial interface Auxiliary 12-bit ADC input and DAC output Single-supply operation: 3.0 V to 3.6 V 3500 g powered shock survivability APPLICATIONS Platform control, stabilization, and alignment Tilt sensing, inclinometers, leveling Motion/position measurement Monitor/alarm devices (security, medical, safety) Navigation
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