83888 SENSONOR TECHNOLOGIES AS, 83888 Datasheet

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83888

Manufacturer Part Number
83888
Description
IC, SENSOR, GYRO, SAR150, 28LCC
Manufacturer
SENSONOR TECHNOLOGIES AS
Datasheet

Specifications of 83888

Sensor Case Style
LCC
No. Of Pins
28
Supply Voltage Range
4.45V To 5.5V
Operating Temperature Range
-40°C To +90°C
Ic Generic Number
SAR150 - 100
Interface
SPI
Interface Type
SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
DATASHEET
SAR150 GYRO SENSOR
SAR150
(Scale 4:1)
Angular Rate Sensor
With DC Response
The SAR150 contains a ButterflyGyro™ MEMS die and a BiCMOS mixed mode ASIC, housed in a rigid custom
ceramic LCC package to accommodate for either horizontal or vertical mounting. The sensor is factory-calibrated and
compensated for temperature effects to provide high-accuracy digital output over the entire temperature range.
A perfect tuning of the excitation and detection frequency as well as perfect mechanical and electrical balancing the
dual masses result in very low sensitivity to vibrations and shock.
By utilizing a unique sealed cavity technology, the vibrating masses are contained within the low-pressure hermetic
environment needed for creating low dynamic damping and high Q factors, without any degradation over the lifetime of
the device whatever tough environmental conditions.
A SPI interface enables an easy and effective communication between the application and the SAR150. The angular
rate data output is in a 12-bit 2‟s complement format at a maximum rate of 2000 samples per second. A number of
functions are available through the digital SPI interface including advanced self diagnostics.
This is a product with high bias and scale factor stability designed for demanding applications in Mil/Aerospace and
industrial applications. SAR150 is highly rugged, consuming as little power as 50 mW, and offering the best value of
any gyro product in its class of performance.
SAR150
TS1514 rev. 1
- 1 -

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83888 Summary of contents

Page 1

DATASHEET The SAR150 contains a ButterflyGyro™ MEMS die and a BiCMOS mixed mode ASIC, housed in a rigid custom ceramic LCC package to accommodate for either horizontal or vertical mounting. The sensor is factory-calibrated and compensated for temperature effects to ...

Page 2

... Sensonor Technologies makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Sensonor Technologies 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 ...

Page 3

DATASHEET Table of Contents 1 Product Description............................................................................................................................................... - 4 - 1.1 Features ...................................................................................................................................................... - 4 - 1.2 Overview ...................................................................................................................................................... - Abbreviations and Definitions ............................................................................................................................... - 5 - 2.1 Abbreviations ............................................................................................................................................... - 5 - 2.2 Definitions .................................................................................................................................................... - ...

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DATASHEET 1 Product Description 1.1 Features o Horizontal or vertical mounting o High reliability and robustness over long lifetime o Low vibration sensitivity o High overload and shock capability (5000 g) o Butterfly balanced design for high mechanical common mode ...

Page 5

DATASHEET 2 Abbreviations and Definitions 2.1 Abbreviations FSI Full Scale Input FSO Full Scale Output SPI Serial Peripheral Interface ASIC Application Specific Integrated Circuit ESD Electro Static Discharge MSB Most Significant Bit LSB Least Significant Bit OTPROM One-Time Programmable Read ...

Page 6

DATASHEET 4 Absolute Maximum Ratings Prolonged exposure to absolute maximum ratings may affect the performance and/or reliability of the device. Characteristics Supply voltage Input voltage, any pin Input transient current, any pin Short circuit immunity to VDD/AVDD or VSS/AVSS, any ...

Page 7

DATASHEET Characteristics High ('1') level Low ('0') level Input rise time Input fall time Output fall time Output rise time Output enable delay Data rate Capacitive load, MISO Note 1: With load of 100pF connected to V Note 2: Characteristic ...

Page 8

DATASHEET LOAD MOSI SCLK MISO Cx: Command bits Figure 5-1: SPI interface signal timing diagram For commands that need an address, the address ...

Page 9

DATASHEET 5.3 Error Code The Error Code is a bit pattern defined as 1000 0000 an illegal or undefined SPI command is attempted executed RARH or RARLX command was executed while at the same time any one ...

Page 10

DATASHEET Characteristics Temperature sensor Word length Format SPI commands Scale Factor Full scale signal Accuracy Note 1: Calibrated at f =2Hz.  Note 2: -3dB frequency. Note 3: LP-filter transfer function: a11 1.91064453125E+00 a21 -9.31640625E-01 b01 1.0498046875E-02 b11 -1.0498046875E-02 b21 ...

Page 11

DATASHEET 7 Power Supply and Start-up The SAR150 is designed for a single +5 volt supply. The device has four pins for power connection: V and AV . The V (pin 16/T14) and close as possible to ...

Page 12

DATASHEET Characteristics Supply voltage rise time to VDD-MIN Start-up time Time to rate data within full specifications AVDD for internal RESET Detectable AVDD glitch Reset threshold Status Register AVDD OK flag (PRNG_OK) threshold Reset delay Note 1: The voltage V ...

Page 13

DATASHEET 8 Status Register and Internal Diagnostic Monitoring Internally in the SAR150, there are 6 error monitoring functions employed to make sure irregular output angular rate is detected. If any of the monitoring functions detects an irregular condition the corresponding ...

Page 14

DATASHEET 9 Package information 9.1 Physical dimensions, material and weight Figure 9-1: SAR150 package dimensions. Top, side and bottom view Notice the direction of positive rotation for SAR150 (indicated in the upper left of the figure). Characteristics Package type Number ...

Page 15

DATASHEET 9.3 Pin Configuration Horizontal Vertical Pin Mount Mount Name 1 1 GND 2 2 AVSS REFV T18 13 T17 14 T16 AVDD 15 T15 16 T14 VDD ...

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