SILICON# SENSING. www.siliconsensing.com pinpoint® Precision Navigation and Pointing Gyroscope CRM102.1 Technical Datasheet Features • Small (5.7 x 4.8 x 1.2mm) • Proven and robust silicon MEMS vibrating ring gyro • In-plane and orthogonal sensing options (CRM102.1, CRM202.1) • Dynamic range 900°/s • Analogue and Digital ( SPI® ) output modes • User adjustable bandwidth to 160Hz • 3V supply • Low noise • Low power consumption (4mA) • High shock and vibration rejection • Hermetically sealed ceramic LCC surface mount package for temperature and humidity resistance • Integral temperature sensor • Low integration cost • Design tools and resources available • RoHS compliant Applications • High rate precision GPS vehicle and personal navigation aiding • High rate vehicle yaw, pitch and roll rate sensing • Crash testing • Accident recorders • Motion tracking • Pointing devices • Model helicopters • Vehicle dynamic testing • Industrial and robotics 1 General Description PinPoint® is a single-axis MEMS angular rate sensor (gyro) capable of measuring angular velocity up to a maximum of ±1,000°/s which has two output modes; an analogue voltage signal which is linearly proportional to angular speed, and a digital signal in SPI® protocol. The choice of output mode; analogue or digital, is determined by the user when connecting it to the user’s host PCBA; details of the electrical interface between PinPoint® and the host PCBA are given in Section 7. PinPoint® is available in two basic configurations, one which will measure angular velocity about an axis perpendicular to the plane of the host PCBA, referred to as ‘in-plane’ sensing (Part Number CRM102.1) and one which measures angular velocity about an axis which is parallel to the plane of the host PCBA, referred to as ‘orthogonal’ sensing (Part Number CRM202.1). This datasheet relates to part number CRM102.1. With a combination of CRM102.1 and CRM202.1 it is possible for the user to measure angular rate of multiple axes (e.g. any combination of pitch, yaw and roll) from a single host PCBA. Other Inclined angle custom package options for indash vehicle navigation can be produced if required. PinPoint® (CRM102.1 and CRM202.1) is supplied as a PCBA surface mountable LCC ceramic packaged device. It comprises five main components; silicon MEMS ring Sensor, Pedestal, ASIC, Package Base and Lid. More details of the construction are given in Section 13. There are eight actuators / transducers distributed evenly around the perimeter of the silicon MEMS ring. Located about its primary axes are a single pair of ‘primary drive’ actuators and a single pair of ‘primary pick-off’ transducers. Located about its secondary axes (at 45° to the primary) are two pairs of ‘secondary pick-off’ transducers see Figure 1.1. The ‘primary drive’ actuators and ‘primary pick-off’ transducers act together in a closed-loop system to excite and control the ring primary operating vibration amplitude and frequency. Secondary ‘pick-off’ transducers detect radial movement at the secondary axes, the magnitude of which is proportional to the angular speed of rotation and from which the gyro derives angular rate. More information about the principles of operation are given in Section 13. © Copyright 2014 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company. Specification subject to change without notice.
Open the catalog to page 1Precision Navigation and Pointing Gyroscope Technical Datasheet PROG Calibration Reset Trim Sets Interface Control Data_Out / BIT_Out Figure 1.1 CRM102.1 Functional Block Diagram Figure 1.2 CRM102.1 Overall Dimensions © Copyright 2014 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company. Specification subject to change without notice.
Open the catalog to page 2Precision Navigation and Pointing Gyroscope Technical Datasheet 2 Ordering Information Part Number Sense Axis Measurement Range + ve CRM CYYM 102.1 M a d LLLDD e in SSSS Ja p a R n CRM20 2. CYYMLL 1 LDDS M ad e in SSSR Ja pa n Overall Dimensions Supply Voltage Single-axis PinPoint® MEMS Gyroscope. Sensing axis perpendicular (in-plane) to the host PCBA. Analogue or Digital (User Configured) Single-axis PinPoint® MEMS Gyroscope. Sensing axis parallel (orthogonal) to the host PCBA. Analogue or Digital (User Configured) 3 Specification Unless stated otherwise, the following specification values assume...
Open the catalog to page 3SILICON# SENSING. www.siliconsensing.com pinoomt® Precision Navigation and Pointing Gyroscope CRM102.1 Technical DatasheetSpecification Continued Page 4 © Copyright 2014 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company. Specification subject to change without notice. Competitive sensor & power supply solutions worldwide
Open the catalog to page 4pinpoint® Precision Navigation and Pointing Gyroscope CRM102.1 Technical Datasheet SILICON# SENSING. www.siliconsensing.com Specification Continued Parameter © Copyright 2014 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company. Specification subject to change without notice. Competitive sensor & power supply solutions worldwide
Open the catalog to page 5SILICON# SENSING. www.siliconsensing.com pinpoint® Precision Navigation and Pointing Gyroscope .1 Technical Datasheet4 Absolute Minimum/Maximum Ratings Notes: Improper handling, such as dropping onto hard surfaces, can generate every high shock levels in excess of 10,000g. The resultant stresses can cause permanent damage to the sensor. Exposure to the Absolute Maximum Ratings for extended periods may affect performance and reliability. © Copyright 2014 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture...
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