2013-03-08-product-brief-sar100-a4-web

SAR100 PRODUCT BRIEF

FEATURES

? Up to ±1500°/s input range

? Horizontal or vertical mounting

? 0.02°/s in-run bias stability

? 0.15°/s (RMS) noise

? 0.03°/s/g linear acceleration effect

? 5000g shock capability

? Sensor and ASIC automotive qualified according to AEC-Q100

DESCRIPTION

The SAR100 gyro contains a ButterflyGyro? MEMS die and a BiCMOS mixed mode ASIC, housed in a rigid custom ceramic LCC package to accommodate both horizontal and vertical mounting. The sensor is factory-calibrated and compensated for temperature effects to provide high-accuracy digital output over a broad temperature range.

Input ranges

SAR100 angular rate sensor has a standard full-scale input ranges of

400°/s, 250°/s or 100°/s. For custom requirements, it can support ranges up to 1500°/s.

Reliability and robustness

By utilizing a unique sealed cavity technology, the vibrating masses of the sensor are contained within the low-pressure hermetic environment. This provides excellent reliability without any degradation over lifetime of the device.

A closed-loop force feedback operation with electrostatic tuning of excitation

and detection frequencies, as well as

perfect mechanical and electrical

balancing of the vibrating masses, results

in exceptionally low shock and vibration

sensitivity.

Interface

An SPI interface of the device enables

easy and effective communication to the

application. Serial data bus frequencies

up to 8.5MHz are supported, and the

angular rate data output format is 12-bit

2’s complement at a maximum sampling

rate of 2000SPS.

Self diagnostics

A number of functions are available

through the digital SPI interface of the

device, including advanced self

diagnostics.

A status register contains rate overflow

information (recoverable error),

excitation and detection loop diagnosis

and supply voltage information etc. In

case of any irregularities detected, a

specific error code is reported.

Applications

SAR100 is a product with high bias and

scale factor stability, designed for

demanding applications. It is highly

rugged, consumes only 50mW and offers

the best value of any gyro product in its

class of performance.

SAR100 ideal for platform stabilization

(e.g. antennas, cameras, etc.), robot head

positioning, borehole surveys, inertial

navigation systems (INS), smart

munitions, train applications, aircraft

instruments, unmanned aerial vehicles

(UAV), autonomous underwater vehicles

(AUV), agricultural machines, etc.

Information furnished by Sensonor is believed to be accurate and reliable. However, no responsibility is assumed by Sensonor for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Sensonor reserves the right to make changes without further notice to any products herein. Sensonor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Sensonor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. No license is granted by implication or otherwise under any patent or patent rights of Sensonor. Trademarks and registered trademarks are the property of their respective owners. Sensonor products are not intended for any application in which the failure of the Sensonor product could create a situation where personal injury or death may occur. Should Buyer purchase or use Sensonor products for any such unintended or unauthorized application, Buyer shall indemnify and hold Sensonor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable legal fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Sensonor was negligent regarding the design or manufacture of the part.

Sensonor AS ? Horten, Norway ? sales@https://www.sodocs.net/doc/a412779448.html, ? https://www.sodocs.net/doc/a412779448.html,

E d . 2013-03

SPECIFICATIONS

PIN OUT

ELECTRICAL CONNECTIONS

MECHANICAL DIMENSIONS

All dimensions in mm. The sensitive axis is indicated with arrow and sign.

SCLK 1

2

3

4

28

27

26

891011

76522232425

212019

15

16

17

1814

13

12

LOAD

MISO

MOSI

VDD

100 nF

10 nF

NC

NC

NC

NC

NC

NC

NC

NC

NC TOP VIEW T15

T14

T13

T12

T16

T17

T18

SIDE VIEW (CONTACT SIDE)

1234

2827

26

MISO

MOSI

SCLK LOAD

NC

100 nF

10 nF

VDD

Parameter Min Nom Max Unit Weight

1.5 g Functional characteristics Input range (?FSI)

±400 ±250 ±100

°/s °/s °/s Operating temperature -40 90 °C Power supply 4.45 5.0 5.5 V Supply current 17 mA Start -up time

90 ms Maximum sampling frequency 2000 SPS Storage temperature -55 125 °C Dynamic overload 5000 °/s Mechanical shock

5000 g Angular rate measurements Word length

12 bit Scale factor ±400°/s (?FSI) ±250°/s (?FSI) ±100°/s (?FSI)

0.25 0.25 0.10

°/s/LSB °/s/LSB °/s/LSB Scale factor temperature accuracy ±0.5 % Bias temperature accuracy ±0.5 °/s Sensitivity accuracy ±1 % In -run bias stability

0.02 °/s Noise ±400°/s (?FSI) ±250°/s (?FSI)

±100°/s (?FSI)

0.25 0.23 0.15

°/s (rms) °/s (rms) °/s (rms) Bandwidth (-3dB) 50 Hz Non -linearity

0.1 %FS Linear acceleration effect 0.03 °/s/g Temperature measurements Word length 8 bit Scale factor 1 °C/LSB Accuracy ±2 °C SPI interface

8.5

Mbit/s

Data rate

HORIZONTAL MOUNT VERTICAL MOUNT

Horizontal mount

Vertical mount

Pin name Comment 1 1 GND Connect to ground 2 2 AVSS Connect to ground 3 3 - Connect to ground 4 4 REFV Connect a 10 nF low ESR de-coupling capacitor between this pin and ground 5 - - NC 6 - - NC 7 - - NC 8 - - NC 9 - - NC 10 - - NC 11 - - NC

12 T18 - Connect to ground 13 T17 - Connect to ground 14 T16 AVDD Connect to +5 VDC 1) 15 T15 - NC

16 T14 VDD Connect to +5 VDC 1) 17 T13 MOSI SPI data input 18

T12 MISO SPI data output 19

- - Connect to ground 20 - - Connect to ground 21 - - Connect to ground 22

- - NC

23 - - Connect to ground 24 - - Connect to ground 25

- - Connect to ground 26 26 SCLK SPI clock 27 27 LOAD SPI load

28

28

VSS

Connect to ground

1) Connect these pins together as close as possible to the package, and from there to ground via a 100nF low ESR decoupling capacitor.