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AD22304 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 AD22304은 전자 산업 및 응용 분야에서
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부품번호 AD22304 기능
기능 Single Chip Yaw Rate Gyro
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AD22304 데이터시트, 핀배열, 회로
±80°/s Single Chip Yaw Rate
Gyro with Signal Conditioning
FEATURES
Complete rate gyroscope on a single chip
Z-axis (yaw rate) response
High vibration rejection over wide frequency
0.05°/s/Hz noise
2000 g powered shock survivability
Self-test on digital command
Temperature sensor output
Precision voltage reference output
Absolute rate output for precision applications
5 V single-supply operation
Ultrasmall and light (< 0.15 cc, < 0.5 gram)
APPLICATIONS
GPS navigation systems
Vehicle stability control
Inertial measurement units
Guidance and control
Platform stabilization
AD22304
GENERAL DESCRIPTION
The AD22304 is a complete angular rate sensor (gyroscope)
that uses Analog Devices’ surface-micromachining process to
make a functionally complete and low cost angular rate sensor
integrated with all of the required electronics on one chip.
The manufacturing technique for this device is the same high
volume BIMOS process used for high reliability automotive
airbag accelerometers.
The output signal, RATEOUT (1B, 2A), is a voltage propor-
tional to the angular rate about the axis normal to the top sur-
face of the package (see Figure 2). A single external resistor
can be used to lower the scale factor. An external capacitor is
used to set the bandwidth. Other external capacitors are re-
quired for operation (see Figure 22).
A precision reference and a temperature output are also pro-
vided for compensation techniques. Two digital self-test inputs
electromechanically excite the sensor to test the operation of
both sensors and the signal conditioning circuits. The AD22304
is available in a 7 mm × 7 mm × 3 mm BGA surface-mount
package.
ST1 5G
ST2 4G
FUNCTIONAL BLOCK DIAGRAM
AVCC
3A
+ 5V
100nF
AGND
2G 1F
100nF
CMID
1D
COUT
SUMJ
1C
SELF
TEST
RATE
SENSOR
CORIOLIS SIGNAL CHANNEL
π DEMOD
RSEN1
RSEN2
9k±35% 9k±35%
RESONATOR LOOP
ROUT
180k1%
1B
RATEOUT
2A
2.5V REF
1E 2.5V
CHARGE PUMP/REG.
12V
PTAT
3G TEMP
ADAXDR2S213504
PDD
4A 5A
7E
CP2 CP1
22nF
6G 7F
PGND
100nF
Figure 1.
6A 7B 7C
CP4 CP3
22nF
7D
CP5
47nF
Rev. 0-Preliminary
Information furnished by Analog Devices is believed to be accurate and reli-
able. 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 Ana-
log Devices. Trademarks and registered trademarks are the property of their
respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106,
U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
Free Datasheet http://www.datasheet4u.com/




AD22304 pdf, 반도체, 판매, 대치품
AD22304
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Acceleration (Any Axis, Unpowered, 0.5
ms)
Acceleration (Any Axis, Powered, 0.5 ms)
+VS
Output Short-Circuit Duration
(Any Pin to Common)
Operating Temperature Range
Storage Temperature
Rating
2000 g
2000 g
–0.3 V to +6.0
V
Indefininte
–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 and 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 abso-
lute maximum rating conditions for extended periods may af-
fect device reliability.
Applications requiring more than 200 cycles to MIL-STD-883
Method 1010 Condition B (–55°C to +125°C) require underfill
or other means to achieve this requirement.
Drops onto hard surfaces can cause shocks of greater than
2000 g and exceed the absolute maximum rating of the device.
Care should be exercised in handling to avoid damage.
RATE SENSITIVE AXIS
This is a Z-axis rate-sensing device that is also called a yaw
rate sensing device. It produces a positive going output voltage
for clockwise rotation about the axis normal to the package top,
i.e., clockwise when looking down at the package lid.
RATE
AXIS
LONGITUDINAL
AXIS
VCC = 5V
7
A1 A B C D E F G1
LATERAL AXIS
GND
RATEOUT
2.5V
4.75V
RATE IN
0.25V
Figure 2. RATEOUT Signal Increases with Clockwise Rotation
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. C | Page 4 of 12
Free Datasheet http://www.datasheet4u.com/

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AD22304 전자부품, 판매, 대치품
AD22304
@ BW = 40 Hz, Typical Vibration Characteristics, 10 g Flat Band, 20 Hz to 2 kHz
2.500
PACKAGE LATERAL AXIS (1/60 SEC SAMPLE RATE)
2.500
PACKAGE LATERAL AXIS (0.5s Average)
2.490
2.480
2.470
2.460
2.490
2.480
10g
2.470
2.460
0g
2.450
0
5
TIME (sec)
10
Figure 10. 10 g Random Vibration in Package-Lateral Axis Orienta-
tion
PACKAGE LONGITUDINAL AXIS (1/60 SEC SAMPLING RATE)
2.500
2.450
0
5
TIME (sec)
10
Figure 13. 10 g Random Vibration in Package-Lateral Axis Orienta-
tion
2.500
PACKAGE LONGITUDINAL AXIS (0.5s Average)
2.490
2.480
2.470
2.490
2.480
2.470
0g
10g
2.460
2.460
2.450
0
5
TIME (sec)
10
Figure 11. 10 g Random Vibration in Package-Longitudinal Axis Ori-
entation
2.500
RATE AXIS (1/60 SEC SAMPLING RATE)
2.450
0
5
TIME (sec)
10
Figure 14. 10 g Random Vibration in Package-Longitudinal Axis Ori-
entation
2.500
RATE AXIS (0.5s Average)
2.490
2.480
2.470
2.460
2.490
2.480
10g
2.470
0g
2.460
2.450
0
5
TIME (sec)
10
Figure 12. 10 g Random Vibration in Rate Axis Orientation
2.450
0
5
TIME (sec)
10
Figure 15. 10 g Random Vibration in Rate Axis Orientation
Rev. C | Page 7 of 12
Free Datasheet http://www.datasheet4u.com/

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부품번호상세설명 및 기능제조사
AD22304

Single Chip Yaw Rate Gyro

Analog Devices
Analog Devices

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