參數(shù)資料
型號(hào): ADXL05
廠商: Analog Devices, Inc.
英文描述: Single Chip Accelerometer with Signal Conditioning(帶信號(hào)調(diào)節(jié)的單片加速計(jì))
中文描述: 單芯片加速度計(jì)信號(hào)調(diào)理(帶信號(hào)調(diào)節(jié)的單片加速計(jì))
文件頁(yè)數(shù): 1/20頁(yè)
文件大?。?/td> 292K
代理商: ADXL05
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
6
1 g to
6
5 g Single Chip Accelerometer
wth Signal Conditioning
ADXL05*
FEATURES
5 milli-g Resolution
Noise Level 12
3
Less than the ADXL50
User Selectable Full Scale from
6
1 g to
6
5 g
Output Scale Selectable from 200 mV/g to 1 V/g
Complete Acceleration Measurement System on a
Single Chip IC
Self Test on Digital Command
+5 V Single Supply Operation
1000 g Shock Survival
APPLICATIONS
Low Cost Sensor for Vibration Measurement
Tilt Sensing with Faster Response than Electrolytic or
Mercury Sensors
More Sensitive Alarms and Motion Detectors
Affordable Inertial Sensing of Velocity and Position
floor is 500
μ
g
/
Hz
, (12
×
less than the ADX L50), allowing sig-
nals below 5 milli-
g
to be resolved. T he ADX L05 is a force bal-
anced capacitive accelerometer with the capability to measure
both ac accelerations (typical of vibration) or dc accelerations
(such as inertial force or gravity). T hree external capacitors and
a +5 volt regulated power supply are all that is required to
measure accelerations up to
±
5
g
. T hree resistors are used to
configure the output buffer amplifier to set scale factors from
200 mV/
g
to 1 V/
g
. External capacitors may be added to the
resistor network to provide 1 or 2 poles of filtering. No addi-
tional active components are required to interface directly to
most analog to digital converters (ADCs).
T he device features a T T L compatible self-test function that
can electrostatically deflect the sensor beam at any time to verify
that the sensor and its electronics are functioning correctly.
T he ADX L05 is available in a hermetic 10-pin T O-100 metal
can, specified over the 0
°
C to +70
°
C commercial, and –40
°
C to
+85
°
C industrial temperature ranges. Contact factory for avail-
ability of automotive grade devices.
*
Patents pending.
Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
GE NE RAL DE SCRIPT ION
T he ADX L05 is a complete acceleration measurement system
on a single monolithic IC. T he ADX L05 will measure accelera-
tions with full-scale ranges of
±
5
g
to
±
1
g
or less. T ypical noise
FUNCT IONAL BLOCK DIAGRAM
SENSOR
REFERENCE
6
9
10
8
3
2
1
5
7
4
DEMODULATOR
BUFFER
AMP
PREAMP
OSCILLATOR
ADXL05
C2
OSCILLATOR
DECOUPLING
CAPACITOR
C3
+5V
DEMODULATOR
CAPACITOR
C1
C1
COM
R1
VPR
VIN–
R3
VREF
OUTPUT
R2
+3.4V
VOUT
SELF-TEST
(ST)
+1.8V
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