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]
Mar 07
SILICON DESIGNS, INC
Model 1010
DIGITAL ACCELEROMETER
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! SENSOR: Capacitive Micromachined
Nitrogen Damped
Hermetically Sealed
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! Digital Pulse Density Output
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! Fully Calibrated
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! Responds to DC & AC Acceleration
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! -55 to +125 EEEEC Operation
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! +5 VDC, 2 mA Power (typical)
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! Non-Standard g Ranges Available
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! Integrated Sensor & Amplifier
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! LCC or J-Lead Surface
Mount Package
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! Serialized for Traceability
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! TTL/CMOS Compatible
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! No External Reference Voltage
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! Easy Interface to Microprocessors
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! Good EMI Resistance
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! RoHS Compliant
DESCRIPTION
ORDERING INFORMATION
Full Scale
Acceleration
Hermetic Packages
20 pin LCC
20 pin JLCC
±2 g
1010L-002
1010J-002
±5 g
1010L-005
1010J-005
±10 g
1010L-010
1010J-010
±25 g
1010L-025
1010J-025
±50 g
1010L-050
1010J-050
±100 g
1010L-100
1010J-100
±200 g
1010L-200
1010J-200
The Model 1010 is a low-cost, integrated accelerometer for use in zero to medium frequency instrumentation
applications. Each miniature, hermetically sealed package combines a micro-machined capacitive sense element
and a custom integrated circuit that includes a sense amplifier and sigma-delta A/D converter. It is relatively
insensitive to temperature changes and gradients. Each device is marked with a serial number on its bottom surface
for traceability. An optional calibration test sheet (1010-TST) is also available which lists the measured bias, scale
factor, linearity, operating current and frequency response.
OPERATION
The Model 1010 produces a digital pulse train in which the density of pulses (number of pulses per second) is
proportional to applied acceleration. It requires a single +5 volt power supply and a TTL/CMOS level clock of 100kHz-
1MHz. The output is ratiometric to the clock frequency and independent of the power supply voltage. Two forms of
digital signals are provided for direct interfacing to a microprocessor or counter. 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.
External digital line drivers can be used to drive long cables or when used in an electrically noisy environment.
APPLICATIONS
COMMERCIAL
! Automotive
Air Bags
Active Suspension
Adaptive Brakes
Security Systems
! Shipping Recorders
! Appliances
INDUSTRIAL
! Vibration Monitoring
! Vibration Analysis
! Machine Control
! Modal Analysis
! Robotics
! Crash Testing
! Instrumentation
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