Silicon Designs Model 2012 Analog Accelerometer Module
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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Silicon Designs, Inc. ! 1445-NW Mall Street, Issaquah, WA 98027-5344 ! Phone: 425-391-8329 ! Fax: 425-391-0446 web site: www.silicondesigns.com [page 1] Sep 07 ACTUAL SIZE ORDERING INFORMATION Full Scale Acceleration Model Number ± 2 g 2012-002 ± 5 g 2012-005 ± 10 g 2012-010 ± 25 g 2012-025 ± 50 g 2012-050 ±100 g 2012-100 ±200 g 2012-200 ±400 g 2012-400 APPLICATIONS VIBRATION MONITORING VIBRATION ANALYSIS MACHINE CONTROL MODAL ANALYSIS ROBOTICS CRASH TESTING INSTRUMENTATION ROTATING MACHINERY SILICON DESIGNS, INC Model 2012 ANALOG ACCELEROMETER MODULE ! Capacitive Micromachined ! Nitrogen Damped ! ±4V Differential Output or 0.5V to 4.5V Single Ended Output ! Fully Calibrated ! Low Power Consumption ! -55 to +125EC Operation ! +5V DC Power ! Simple, Four Wire Connection ! Serialized for Traceability ! Responds to DC & AC Acceleration ! Non Standard Ranges Available ! Rugged Black Anodized Aluminum Module DESCRIPTION The Model 2012 accelerometer module provides a rugged protective case around an integrated model 1210L accelerometer for measuring accelerations in commercial/industrial environments. It is tailored for zero to medium frequency instrumentation applications. The anodized aluminum case is epoxy sealed and is easily mounted via two #4 (or M3) screws. It is relatively insensitive to temperature changes and gradients. The cable’s shield is electrically connected to the case while the ground (GND) wire is isolated from the case. An optional initial calibration sheet (2012-CAL) and periodic calibration checking are also available. Please refer to the Model 2210 for applications that require a lower output impedance or greater power supply rejection ratio than the Model 2012 provides. OPERATION The Model 2012 accelerometer module produces two analog voltage outputs, AOP & AON, which vary with acceleration as shown in the graph at right. The signal outputs are fully differential about a common mode voltage of ½ VDD (approximately 2.5 volts). At zero acceleration, the output differential voltage is nominally zero volts; at +full scale acceleration, the output differential voltage is +4 volts; at -full scale acceleration the output differential voltage is -4 volts. The sensitive axis is perpendicular to the bottom of the package, with positive acceleration defined as a force pushing on the bottom of the package. SIGNAL DESCRIPTIONS VDD and GND (Power): Red and Black wires respectively. Power (+5 Volts DC) and ground. AOP and AON (Output): Green & white wires respectively. AOP voltage increases (AON decreases) with positive acceleration. At zero acceleration, both outputs are nominally equal to 2.5 volts. The device experiences positive (+1g) acceleration with its lid facing up in the Earth’s gravitational field. Either output can be used individually or the pair can be used differentially.

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Silicon Designs, Inc. ! 1445-NW Mall Street, Issaquah, WA 98027-5344 ! Phone: 425-391-8329 ! Fax: 425-391-0446 web site: www.silicondesigns.com [page 2] Sep 07 Model 2012 Analog Accelerometer Module ABSOLUTE MAXIMUM RATINGS * Case Operating Temperature . . . . . . . . . . . . . . -55 to +125EC Storage Temperature . . . . . . . . . . . . . . . . . . . . -55 to +125EC Acceleration Over-range . . . . . . . . . . . . . . . . 2000g for 0.1 ms Voltage on VDD to GND . . . . . . . . . . . . . . . . . . . . -0.5V to 6.5V Voltage on AOP or AON to GND 1...

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Silicon Designs, Inc. ! 1445-NW Mall Street, Issaquah, WA 98027-5344 ! Phone: 425-391-8329 ! Fax: 425-391-0446 web site: www.silicondesigns.com [page 3] Sep 07 f R C 0 2 1 1 2 = p Model 2012 Analog Accelerometer Module CABLE SPECIFICATIONS & LENGTH CONSIDERATIONS The cable consists of four 26 AWG (7x34) silver plated copper wires with PTFE insulation surrounded by a braided shield. The shield jacket is a PTFE tape wrap with a nominal outer diameter of 0.131”. Extending the model 2012's one meter cable is not recommended. If you do decide to...