Programmable Dual-Axis
Inclinometer/Accelerometer
ADIS16201
FEATURES
Dual-axis inclinometer/accelerometer measurements
12-, 14-bit digital inclination/acceleration sensor outputs
+1.7
g
accelerometer measurement range
+90
o
inclinometer measurement range, linear output
12-bit digital temperature sensor output
Digitally controlled sensitivity and 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庐-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
FUNCTIONAL BLOCK DIAGRAM
AUX
ADC
AUX
DAC VREF
ADIS16201
TEMPERATURE
SENSOR
DUAL-AXIS
ACCELEROMETER
SIGNAL
CONDITIONING
AND
CONVERSION
CALIBRATION
AND
DIGITAL
PROCESSING
CS
SCLK
SPI
PORT
DIN
SELF-TEST
DIGITAL
CONTROL
DOUT
VDD
POWER
MANAGEMENT
ALARMS
AUXILIARY
I/O
COM
05462-001
RST
DIO0 DIO1
Figure 1.
APPLICATIONS
Platform control, stabilization, and leveling
Tilt sensing, inclinometers
Motion/position measurement
Monitor/alarm devices (security, medical, safety)
GENERAL DESCRIPTION
The ADIS16201 is a complete, dual-axis acceleration and
inclination angle measurement system available in a single
compact package enabled by the Analog Devices
iSensor鈩?/div>
integration. By enhancing the Analog Devices
iMEMS庐
sensor
technology with an embedded signal processing solution, the
ADIS16201 provides factory calibrated and tunable digital
sensor data in a convenient format that can be accessed using a
serial peripheral interface (SPI). The SPI interface provides
access to measurements for dual-axis linear acceleration, dual-
axis linear inclination angle, temperature, power supply, and
one auxiliary analog input. Easy access to calibrated digital
sensor data provides developers with a system-ready device,
reducing development time, cost, and program risk.
Unique characteristics of the end system are accommodated
easily through several built-in features, such as a single
command in-system offset calibration, along with convenient
sample rate and bandwidth control.
The ADIS16201 offers the following embedded features, which
eliminate the need for external circuitry and provide a simplified
system interface:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Configurable alarm function
Auxiliary 12-bit ADC
Auxiliary 12-bit DAC
Configurable digital I/O port
Digital self-test function
The ADIS16201 offers two power management features for
managing system-level power dissipation: low power mode and
a configurable shutdown feature.
The ADIS16201 is available in a 9.2 mm 脳 9.2 mm 脳 3.9 mm
laminate-based land grid array (LGA) package with a
temperature range of 鈭?0掳C to +125掳C.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏2006 Analog Devices, Inc. All rights reserved.
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