ADIS16251 Analog Devices, ADIS16251 Datasheet

ADIS16251

Manufacturer Part Number

ADIS16251

Description

Programmable Low Power Gyroscope

Manufacturer

Analog Devices

Datasheet

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DataSheet

FEATURES

Yaw rate gyro with digital range scaling

14-bit digital gyroscope sensor outputs

12-bit digital temperature sensor output

Calibrated sensitivity and bias

Digitally controlled sample rate

Digitally controlled frequency response

Dual alarm settings with rate/threshold limits

Embedded integration for short-term angle estimates

Digitally activated self-test

Digitally activated low power mode

SPI®-compatible serial interface

49 Hz Sensor Bandwidth

Auxiliary 12-bit ADC input and 12-bit DAC output

Auxiliary digital input/output

Single-supply operation: 4.75 V to 5.25 V

2000 g powered shock survivability

APPLICATIONS

Instrumentation control

Platform control and stabilization

Motion control and analysis

Avionics instrumentation

Navigation

Image stabilization

Robotics

GENERAL DESCRIPTION

The ADIS16251 is a complete, angular rate measurement

system available in a single compact package enabled by Analog

Devices iSensor™ integration. By enhancing Analog Devices

iMEMS® sensor technology with an embedded signal processing

solution, the ADIS16251 provides factory calibrated and

tunable digital sensor data in a convenient format that can be

accessed using a simple SPI serial interface. The SPI interface

provides access to measurements for the gyroscope, 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.

The device range can be digitally selected from three different

settings: ±20°/sec, ±40°/sec, and ±80°/sec. Unique

characteristics of the end system are accommodated easily

through several built-in features, including a single-command

Rev. PrA

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.

Preliminary Technical Data

±20°/sec, ±40°/sec, and ±80°/sec settings

In-system, auto-zero for bias drift calibration

Interrupt-driven wake-up

.com

Programmable Low Power Gyroscope

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

auto-zero recalibration function, as well as configurable sample

rate and frequency response. Additional features can be used to

further reduce system complexity, including:

System power dissipation can be optimized via the ADIS16251

power management features, including an interrupt-driven

wake-up.

The ADIS16251 is available in an 11 mm × 11 mm × 5.5 mm,

laminate-based land grid array (LGA) package with a

temperature range of −40°C to +85°C.

RATE

COM

FILT

VCC

•

TEMPERATURE

GYROSCOPE

SELF-TEST

Configurable alarm function

Auxiliary 12-bit ADC and DAC

Two configurable digital I/O ports

Digital self-test function.

SENSOR

FUNCTIONAL BLOCK DIAGRAM

MANAGEMENT

POWER

AUX

ADC

CONDITIONING

CONVERSION

SIGNAL

RST

DAC VREF

AND

AUX

Figure 1.

ALARM

CONTROL

DIGITAL

CALIBRATION

PROCESSING

DIGITAL

AUXILIARY

DIO0 DIO1

ADIS16251

AND

I/O

ADIS16250

www.analog.com

PORT

SPI

DIN

DOUT

SCLK

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