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ADXL204 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADXL204은 전자 산업 및 응용 분야에서
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부품번호 ADXL204 기능
기능 Dual-Axis i MEMS Accelerometer
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ADXL204 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Precision ±1.7 g Single-/Dual-Axis
i MEMS® Accelerometer
ADXL204
FEATURES
High performance, dual-axis accelerometer on a
single IC chip
Specified at VS = 3.3 V
5 mm × 5 mm × 2 mm LCC package
Better than 2 mg resolution at 60 Hz
Low power: 500 μA at VS = 3.3 V (typical)
High zero g bias stability
High sensitivity accuracy
–40°C to +125°C temperature range
X-axis and Y-axis aligned to within 0.1° (typical)
BW adjustment with a single capacitor
Single-supply operation
3500 g shock survival
RoHS compliant
Compatible with Sn/Pb- and Pb-free solder processes
APPLICATIONS
Vehicle dynamic control (VDC)/electronic stability program
(ESP) systems
Electronic chassis controls
Electronic braking
Platform stabilization/leveling
Navigation
Alarms and motion detectors
High accuracy, 2-axis tilt sensing
GENERAL DESCRIPTION
The ADXL204 is a high precision, low power, complete dual-
axis accelerometer with signal-conditioned voltage outputs, all
on a single monolithic IC. Like the ADXL203, it measures
acceleration with a full-scale range of ±1.7 g; however, the
ADXL204 is tested and specified for 3.3 V supply voltage,
whereas the ADXL203 is tested and specified at 5 V. Both parts
function well over a wide 3 V to 6 V operating voltage range.
The ADXL204 can measure both dynamic acceleration (for
example, vibration) and static acceleration (for example, gravity).
The typical noise floor is 170 μg/√Hz, allowing signals below
2 mg (0.1° of inclination) to be resolved in tilt sensing
applications using narrow bandwidths (<60 Hz).
The user selects the bandwidth of the accelerometer using
Capacitor CX and Capacitor CY at the XOUT and YOUT pins.
Bandwidths of 0.5 Hz to 2.5 kHz can be selected to suit the
application.
The ADXL204 is available in a 5 mm × 5 mm × 2 mm,
8-terminal hermetic LCC package.
FUNCTIONAL BLOCK DIAGRAM
+5V
VS
ADXL204
CDC
SENSOR
COM
AC
AMP
DEMOD
OUTPUT
AMP
OUTPUT
AMP
RFILT
32k
RFILT
32k
ST
YOUT
XOUT
CY CX
Figure 1.
Rev. A
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.




ADXL204 pdf, 반도체, 판매, 대치품
ADXL204
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Acceleration (Any Axis, Unpowered)
Acceleration (Any Axis, Powered)
Drop Test (Concrete Surface)
VS
All Other Pins
Output Short-Circuit Duration
(Any Pin to Common)
Temperature Range (Powered)
Temperature Range (Storage)
Rating
3500 g
3500 g
1.2 m
−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.
Table 3. Package Characteristics
Package Type
θJA
θJC
8-Terminal LCC 120°C/W 20°C/W
Device Weight
<1.0 gram
TP
TL TSMAX
TSMIN
RAMP-UP
tP
CRITICAL ZONE
TL TO TP
tL
tS
PREHEAT
RAMP-DOWN
Table 4.
t25°C TO PEAK
TIME
Figure 2. Recommended Soldering Profile
Profile Feature
AVERAGE RAMP RATE (TL TO TP)
PREHEAT
Minimum Temperature (TSMIN)
Minimum 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
Sn63/Pb37
3°C/sec maximum
100°C
150°C
60 sec to 120 sec
3°C/sec
183°C
60 sec to 150 sec
240°C +0°C/–5°C
10 sec to 30 sec
6°C/sec maximum
6 minutes maximum
Condition
Pb-Free
3°C/sec maximum
150°C
200°C
60 sec to 150 sec
3°C/sec
217°C
60 sec to 150 sec
260°C +0°C/–5°C
20 sec to 40 sec
6°C/sec maximum
8 minutes maximum
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. A | Page 4 of 12

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ADXL204 전자부품, 판매, 대치품
1.710
1.698
1.686
1.674
1.662
1.650
1.638
1.626
1.614
1.602
1.590
TEMPERATURE (°C)
Figure 10. Zero g Bias vs. Temperature—Parts Soldered to PCB
45
40
34
30
25
20
15
10
5
0
120
130 140 150 160 170 180 190 200
µg/ Hz
Figure 11. X-Axis Noise Density at 25°C
210
40
35
30
25
20
15
10
5
0
PERCENT SENSITIVITY (%)
Figure 12. Z vs. X Cross-Axis Sensitivity
ADXL204
0.65
0.64
0.63
0.62
0.61
0.60
0.58
TEMPERATURE (°C)
Figure 13. Sensitivity vs. Temperature—Parts Soldered to PCB
50
45
40
34
30
25
20
15
10
5
0
120
130 140 150 160 170 180 190 200
µg/ Hz
Figure 14. Y-Axis Noise Density at 25°C
210
40
35
30
25
20
15
10
5
0
PERCENT SENSITIVITY (%)
Figure 15. Z vs. Y Cross-Axis Sensitivity
Rev. A | Page 7 of 12

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