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부품번호 | ADXL323 기능 |
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기능 | Dual Axis Accelerometer | ||
제조업체 | Analog Devices | ||
로고 | |||
전체 16 페이지수
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FEATURES
2-axis sensing
Small, low-profile package
4 mm × 4 mm × 1.45 mm LFCSP_LQ
Low power
180 μA at VS = 1.8 V (typical)
Single-supply operation
1.8 V to 5.25 V
10,000 g shock survival
Excellent temperature stability
BW adjustment with a single capacitor per axis
RoHS/WEEE lead-free compliant
APPLICATIONS
Cost-sensitive, low power, motion- and tilt-sensing
applications
Mobile devices
Gaming systems
Disk drive protection
Image stabilization
Sports and health devices
Small, Low Power, 2-Axis ±3 g
i MEMS® Accelerometer
ADXL323
GENERAL DESCRIPTION
The ADXL323 is a small, thin, low power, complete 2-axis
accelerometer with signal-conditioned voltage outputs, all
on a single, monolithic IC. The product measures acceleration
with a minimum full-scale range of ±3 g. It can measure the
static acceleration of gravity in tilt-sensing applications, as well
as dynamic acceleration resulting from motion, shock, or
vibration.
The user selects the bandwidth of the accelerometer using the
CX and CY capacitors at the XOUT and YOUT pins. Bandwidths
can be selected to suit the application, with a range of 0.5 Hz
to 1600 Hz.
The ADXL323 is available in a small, low profile, 4 mm ×
4 mm × 1.45 mm, 16-lead, plastic lead frame chip scale package
(LFCSP_LQ).
FUNCTIONAL BLOCK DIAGRAM
+3V
VS
ADXL323
CDC
2-AXIS
SENSOR
AC AMP
DEMOD
OUTPUT AMP
RFILT
XOUT
CX
OUTPUT AMP
RFILT
YOUT
CY
COM
ST
Figure 1.
Rev. 0
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
www.DataSheet4U.com
ADXL323
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Acceleration (Any Axis, Unpowered)
Acceleration (Any Axis, Powered)
VS
All Other Pins
Output Short-Circuit Duration
(Any Pin to Common)
Temperature Range (Powered)
Temperature Range (Storage)
Rating
10,000 g
10,000 g
−0.3 V to +7.0 V
(COM − 0.3 V) to (VS + 0.3 V)
Indefinite
−55°C to +125°C
−65°C to +150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
TP
TL TSMAX
TSMIN
RAMP-UP
tP
CRITICAL ZONE
TL TO TP
tL
tS
PREHEAT
RAMP-DOWN
Table 3. Recommended Soldering Profile
Profile Feature
Average Ramp Rate (TL to TP)
Preheat
Minimum Temperature (TSMIN)
Maximum Temperature (TSMAX)
Time (TSMIN to TSMAX), tS
TSMAX to TL
Ramp-Up Rate
Time Maintained Above Liquidous (TL)
Liquidous Temperature (TL)
Time (tL)
Peak Temperature (TP)
Time within 5°C of Actual Peak Temperature (tP)
Ramp-Down Rate
Time 25°C to Peak Temperature
t25°C TO PEAK
TIME
Figure 2. Recommended Soldering Profile
Sn63/Pb37
3°C/sec max
100°C
150°C
60 sec to 120 s
3°C/sec max
183°C
60 sec to 150 sec
240°C + 0°C/−5°C
10 sec to 30 sec
6°C/sec max
6 minutes max
Pb-Free
3°C/sec max
150°C
200°C
60 sec to 180 sec
3°C/sec max
217°C
60 sec to 150 sec
260°C + 0°C/−5°C
20 sec to 40 sec
6°C/sec max
8 minutes max
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. 0 | Page 4 of 16
4페이지 www.DataSheet4U.com
35
30
25
20
15
10
5
0
–2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5
TEMPERATURE COEFFICIENT (mg/°C)
Figure 11. X-Axis Zero g Bias Temperature Coefficient, VS = 3 V
35
30
25
20
15
10
5
0
–2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5
TEMPERATURE COEFFICIENT (mg/°C)
Figure 12. X-Axis Zero g Bias Temperature Coefficient, VS = 5 V
1.55
N=8
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
–30 –20 –10 0 10 20 30 40 50 60
TEMPERATURE (°C)
Figure 13. X-Axis Zero g Bias vs. Temperature;
Eight Parts Soldered to PCB, VS = 3 V
70
80
ADXL323
40
35
30
25
20
15
10
5
0
–2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5
TEMPERATURE COEFFICIENT (mg/°C)
Figure 14. Y-Axis Zero g Bias Temperature Coefficient, VS = 3 V
40
35
30
25
20
15
10
5
0
–2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5
TEMPERATURE COEFFICIENT (mg/°C)
Figure 15. Y-Axis Zero g Bias Temperature Coefficient, VS = 5 V
1.55
N=8
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
–30 –20 –10 0 10 20 30 40 50 60
TEMPERATURE (°C)
Figure 16. Y-Axis Zero g Bias vs. Temperature;
Eight Parts Soldered to PCB, VS = 3 V
70
80
Rev. 0 | Page 7 of 16
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |