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  • 北京元坤伟业科技有限公司

         该会员已使用本站17年以上

  • ADXRS300ABG
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  • 深圳市恒达亿科技有限公司

     该会员已使用本站16年以上
  • ADXRS300ABG 现货库存
  • 数量9167 
  • 厂家ADI 
  • 封装BGA32 
  • 批号25+ 
  • 只做原装正品现货销售
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  • 集好芯城

     该会员已使用本站13年以上
  • ADXRS300ABG 现货库存
  • 数量24610 
  • 厂家ADI(亚德诺) 
  • 封装 
  • 批号22+ 
  • 原装原厂现货
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ADXRS300ABG 现货库存
  • 数量9000 
  • 厂家AD 
  • 封装 
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  • 原装假一赔百,深圳现货,北美、新加坡可发货
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ADXRS300ABG 现货库存
  • 数量5680 
  • 厂家ADI 
  • 封装CBGA-32 
  • 批号24+ 
  • 755
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ADXRS300ABG 现货库存
  • 数量5680 
  • 厂家ADI 
  • 封装CBGA-32 
  • 批号24+ 
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  • 深圳市英德州科技有限公司

     该会员已使用本站2年以上
  • ADXRS300ABG 现货库存
  • 数量32500 
  • 厂家ADI(亚德诺) 
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  • 批号1年内 
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ADXRS300ABG 现货库存
  • 数量2760 
  • 厂家ADI 
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  • 深圳市宗天技术开发有限公司

     该会员已使用本站10年以上
  • ADXRS300ABG 现货库存
  • 数量8000 
  • 厂家ADI(亚德诺) 
  • 封装AD全线销售/回收 
  • 批号22+ 
  • 宗天技术 原装现货/假一赔十
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  • 深圳市芯脉实业有限公司

     该会员已使用本站11年以上
  • ADXRS300ABG 现货库存
  • 数量26980 
  • 厂家ADI 
  • 封装CBGA 
  • 批号21+ 
  • 新到现货、一手货源、当天发货、bom配单
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  • 深圳市金和信科技有限公司(原金合讯)

     该会员已使用本站14年以上
  • ADXRS300ABG 现货库存
  • 数量3000 
  • 厂家ADI/亚德诺 
  • 封装CBGA-32 
  • 批号2303+ 
  • 不上现货排名,有价格优势,照样拿单,上具体批次,只做原装,放心来问,15年芯片销售经验
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  • 北京罗彻斯特电子科技有限公司

     该会员已使用本站18年以上
  • ADXRS300ABG 热卖库存
  • 数量100 
  • 厂家AD 
  • 封装原厂封装 
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  • ★北京深圳原装现货 可出售样片及配套服务 军工芯片优势
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  • 深圳市拓森弘电子有限公司

     该会员已使用本站1年以上
  • ADXRS300ABG
  • 数量5300 
  • 厂家ADI(亚德诺) 
  • 封装 
  • 批号21+ 
  • 全新原装正品,现货库存欢迎咨询
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  • 深圳市芯福林电子有限公司

     该会员已使用本站15年以上
  • ADXRS300ABG
  • 数量65000 
  • 厂家AD 
  • 封装BGA 
  • 批号23+ 
  • 真实库存全新原装正品!代理此型号
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  • 深圳市龙腾新业科技有限公司

     该会员已使用本站17年以上
  • ADXRS300ABG
  • 数量13185 
  • 厂家ADI/亚德诺 
  • 封装CSPBGA32 
  • 批号24+ 
  • 原厂原装公司现货
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  • 千层芯半导体(深圳)有限公司

     该会员已使用本站9年以上
  • ADXRS300ABG
  • 数量12800 
  • 厂家ADI 
  • 封装SMD 
  • 批号2019+ 
  • ADI一级代理商绝对进口原装假一赔十
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  • 深圳市恒益昌科技有限公司

     该会员已使用本站6年以上
  • ADXRS300ABG
  • 数量3000 
  • 厂家ADI 
  • 封装BGA32 
  • 批号25+ 
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  • 深圳市晶美隆科技有限公司

     该会员已使用本站15年以上
  • ADXRS300ABG
  • 数量28000 
  • 厂家ADI/亚德诺 
  • 封装CBGA32 
  • 批号24+ 
  • 假一罚十,原装进口正品现货供应,价格优势。
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  • 深圳市得捷芯城科技有限公司

     该会员已使用本站11年以上
  • ADXRS300ABG
  • 数量8735 
  • 厂家ADI(亚德诺) 
  • 封装NA/ 
  • 批号23+ 
  • 原厂直销,现货供应,账期支持!
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  • 集好芯城

     该会员已使用本站13年以上
  • ADXRS300ABG
  • 数量13185 
  • 厂家ADI/亚德诺 
  • 封装CSPBGA32 
  • 批号最新批次 
  • 原厂原装公司现货
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  • 深圳市华科泰电子商行

     该会员已使用本站13年以上
  • ADXRS300ABG
  • 数量9868 
  • 厂家AD 
  • 封装BGA 
  • 批号05+ 
  • 绝对原装现货特价
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  • 深圳市宏世佳电子科技有限公司

     该会员已使用本站13年以上
  • ADXRS300ABG
  • 数量3695 
  • 厂家AD 
  • 封装BGA 
  • 批号2023+ 
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  • 首天国际(深圳)集团有限公司

     该会员已使用本站17年以上
  • ADXRS300ABG-REEL
  • 数量10000 
  • 厂家ADI 
  • 封装原厂封装 
  • 批号2024+ 
  • 百分百原装正品,现货库存
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  • 深圳市硅诺电子科技有限公司

     该会员已使用本站8年以上
  • ADXRS300ABG
  • 数量35070 
  • 厂家AD 
  • 封装CBGA32 
  • 批号17+ 
  • 原厂指定分销商,有意请来电或QQ洽谈
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  • 深圳市卓越微芯电子有限公司

     该会员已使用本站12年以上
  • ADXRS300ABG
  • 数量5500 
  • 厂家AD 
  • 封装BGA 
  • 批号20+ 
  • 百分百原装正品 真实公司现货库存 本公司只做原装 可开13%增值税发票,支持样品,欢迎来电咨询!
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  • 深圳市羿芯诚电子有限公司

     该会员已使用本站7年以上
  • ADXRS300ABG
  • 数量8800 
  • 厂家ADI/亚德诺 
  • 封装CBGA-32 
  • 批号新年份 
  • 羿芯诚只做原装,原厂渠道,价格优势可谈!
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  • 0755-82570683 QQ:2853992132
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  • 北京元坤伟业科技有限公司

     该会员已使用本站17年以上
  • ADXRS300ABG
  • 数量5000 
  • 厂家AD 
  • 封装BGA 
  • 批号16+ 
  • 百分百原装正品,现货库存
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  • 010-62106431 QQ:857273081QQ:1594462451
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  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • ADXRS300ABG
  • 数量11914 
  • 厂家ADI 
  • 封装BGA 
  • 批号2023+ 
  • 绝对原装正品全新进口深圳现货
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  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ADXRS300ABG
  • 数量1368 
  • 厂家AD 
  • 封装SOP8 
  • 批号24+ 
  • 假一罚万,全新原装库存现货,可长期订货
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  • 755-83950019 QQ:800888908
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  • 深圳市毅创腾电子科技有限公司

     该会员已使用本站16年以上
  • ADXRS300ABG
  • 数量875 
  • 厂家AD 
  • 封装BGA 
  • 批号22+ 
  • ★只做原装★正品现货★原盒原标★
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  • 86-755-83616256 QQ:2355507162QQ:2355507165
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  • 上海磐岳电子有限公司

     该会员已使用本站11年以上
  • ADXRS300ABG
  • 数量5800 
  • 厂家AD 
  • 封装BGA 
  • 批号2024+ 
  • 全新原装现货,杜绝假货。
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  • 021-60341766 QQ:3003653665QQ:1325513291
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  • 深圳市英德州科技有限公司

     该会员已使用本站2年以上
  • ADXRS300ABG
  • 数量32500 
  • 厂家ADI(亚德诺) 
  • 封装 
  • 批号1年内 
  • 全新原装 货源稳定 长期供应 提供配单
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  • -0755-88604592 QQ:2355734291
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  • 深圳市意好科技有限公司

     该会员已使用本站15年以上
  • ADXRS300ABG
  • 数量3500 
  • 厂家ADI 
  • 封装原厂 
  • 批号24+ 
  • 中华地区销售
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  • 0755-88608316 QQ:2853107358QQ:2853107357
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  • 昂富(深圳)电子科技有限公司

     该会员已使用本站4年以上
  • ADXRS300ABG
  • 数量34933 
  • 厂家ADI/亚德诺 
  • 封装NA 
  • 批号23+ 
  • 一站式BOM配单,短缺料找现货,怕受骗,就找昂富电子.
  • QQ:GTY82dX7
  • 0755-23611557【陈妙华 QQ:GTY82dX7
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  • 深圳市浩兴林电子有限公司

     该会员已使用本站16年以上
  • ADXRS300ABG
  • 数量845 
  • 厂家ADI 
  • 封装进口原装房间现货市场最低价 
  • 批号16+ 
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  • 0755-82532799 QQ:382716594QQ:351622092
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  • 深圳市创芯联科技有限公司

     该会员已使用本站9年以上
  • ADXRS300ABG
  • 数量13000 
  • 厂家ADI 
  • 封装CBGA-32 
  • 批号24+ 
  • 原厂货源/正品保证,诚信经营,欢迎询价
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产品型号ADXRS300ABG的概述

ADXRS300ABG芯片概述 ADXRS300ABG是一款高精度的三轴陀螺仪,其应用领域广泛,满足航空航天、汽车、消费电子等多个行业的需求。此芯片由Analog Devices, Inc.(ADI)设计,其核心功能是提供物体在三维空间中的角速度测量,通常用于运动检测、姿态控制和导航系统等应用。 陀螺仪的工作原理主要基于角动量守恒原理,能够通过测量引起旋转的角速度来推导设备的姿态变化。ADXRS300ABG作为MEMS(微机电系统)陀螺仪,具有小型化、低功耗和可靠性的特点,适用于各种便携式和固定式设备。 芯片详细参数 下表为ADXRS300ABG的主要参数: | 参数 | 描述 | |-------------------|-----------------------------------...

产品型号ADXRS300ABG的Datasheet PDF文件预览

± ±330°/s SinglsꢀCSꢁsꢂYasꢃYꢄls  
GyrosaSꢄCs SniYgsꢀoidSꢄSoiSin  
s
ADXꢃ ±33  
FEATURES  
GENERAL DESCRIPTION  
Complete rate gyroscope on a single chip  
Z-axis (yaw rate) response  
High vibration rejection over wide frequency  
2000 g powered shock operation  
Self-test on digital command  
The ADXRS300 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 vol-  
ume BIMOS process used for high reliability automotive airbag  
accelerometers.  
Temperature sensor output  
Precision voltage reference output  
Absolute rate output for precision applications  
5 V single-supply operation  
The output signal, RATEOUT (1B, 2A), is a voltage proportional  
to angular rate about the axis normal to the top surface of the  
package (see Figure 3). 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 required for operation  
(see Figure 4).  
Ultrasmall and light (< 0.15 cc, < 0.5 gram)  
APPLICATIONS  
Vehicle chassis rollover sensing  
Inertial measurement units  
Platform stabilization  
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 proper operation of  
both sensors and the signal conditioning circuits. The  
ADXRS300 is available in a 7 mm × 7 mm × 3 mm BGA  
chip-scale package.  
FUNCTIONAL BLOCK DIAGRAM  
+
5V  
C
OUT  
100nF  
100nF  
SUMJ  
AGND  
CMID  
AVCC  
3A  
1D  
1C  
2G  
1F  
ST1  
5G  
SELF  
TEST  
R
OUT  
CORIOLIS SIGNAL CHANNEL  
R
ST2 4G  
R
180k  
1%  
SEN1  
35%  
SEN2  
π DEMOD  
RATE  
1B  
2A  
7k  
±
7k  
±
35%  
SENSOR  
RATEOUT  
2.5V  
RESONATOR LOOP  
2.5V REF  
PTAT  
1E  
3G  
TEMP  
12V  
CHARGE PUMP/REG.  
PDD  
4A  
CP2  
5A  
7E  
6G  
PGND  
7F  
6A  
7B  
7C  
CP3  
7D  
CP5  
CP4  
CP1  
22nF  
47nF  
ADXRS300  
100nF  
22nF  
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. Trademarks and  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  
ADXꢃ ±33s  
TABLEsOFsꢀONTENT s  
ADXRS300—Specifications ............................................................ 3  
Using the ADXRS300 with a Supply-Ratiometric ADC ..........6  
Null Adjust .....................................................................................6  
Self-Test Function .........................................................................6  
Continuous Self-Test.....................................................................6  
Pin Configurations And Functional Descriptions........................7  
Outline Dimensions..........................................................................8  
Absolute Maximum Ratings............................................................ 4  
Rate Sensitive Axis........................................................................ 4  
Theory of Operation ........................................................................ 5  
Supply and Common Considerations ....................................... 5  
Setting Bandwidth........................................................................ 5  
Increasing Measurement Range ................................................. 6  
REVISION HISTORY  
Revision A  
3/03—Data Sheet Changed from REV. 0 to REV. A  
Edit to Figure 3...................................................................................5  
Rev. A | Page 2 of 8  
s
ADXꢃ ±33  
ADXꢃ ±33— PEꢀIFIꢀATION s  
Table 1. @TA = 25°C, VS = 5 V, Angular Rate = 0°/s, Bandwidth = 80 Hz (COUT = 0.01 µF), unless otherwise noted.  
ADXRS300ABG  
Parameter  
Conditions  
Min1  
Typ  
Max1  
Unit  
SENSITIVITY  
Clockwise Rotation Is Positive Output  
Full-Scale Range over Specifications Range  
@25°C  
Dynamic Range2  
±±33  
4.6  
4.6  
°/s  
Initial  
Over Temperature±  
5
5
3.1  
5.4  
5.4  
mV/°/s  
mV/°/s  
% of FS  
VS = 4.75 V to 5.25 V  
Nonlinearity  
Best Fit Straight Line  
NULL  
Initial Null  
2.±  
2.±  
2.53  
2.7  
2.7  
V
V
ms  
°/s/g  
°/s/V  
Over Temperature±  
VS = 4.75 V to 5.25 V  
Power on to ±ꢀ°/s of Final  
Any Axis  
Turn-On Time  
±5  
3.2  
1
Linear Acceleration Effect  
Voltage Sensitivity  
NOISE PERFORMANCE  
Rate Noise Density  
FREQUENCY RESPONSE  
± dB Bandwidth (User Selectable)4  
Sensor Resonant Frequency  
SELF-TEST INPUTS  
ST1 RATEOUT Response5  
ST2 RATEOUT Response5  
Logic 1 Input Voltage  
Logic 3 Input Voltage  
Input Impedance  
VCC = 4.75 V to 5.25 V  
@25°C  
3.1  
°/s/Hz  
22 nF as Comp Cap (see Setting Bandwidth section)  
43  
14  
Hz  
kHz  
ST1 Pin from Logic 3 to 1  
ST2 Pin from Logic 3 to 1  
Standard High Logic Level Definition  
Standard Low Logic Level Definition  
To Common  
–153  
+153  
±.±  
–273  
+273  
–453  
+453  
mV  
mV  
V
V
kΩ  
1.7  
53  
TEMPERATURE SENSOR  
VOUT at 298°K  
Max Current Load on Pin  
Scale Factor  
2.53  
8.4  
V
µA  
mV/°K  
Source to Common  
Proportional to Absolute Temperature  
53  
OUTPUT DRIVE CAPABILITY  
Output Voltage Swing  
Capacitive Load Drive  
2.5 V REFERENCE  
Voltage Value  
Load Drive to Ground  
Load Regulation  
Power Supply Rejection  
Temperature Drift  
POWER SUPPLY  
IOUT = ±133 µA  
3.25  
1333  
VS – 3.25  
2.55  
V
pF  
2.45  
2.5  
233  
5.3  
1.3  
5.3  
V
µA  
mV/mA  
mV/V  
mV  
Source  
3 < IOUT < 233 µA  
4.75 VS to 5.25 VS  
Delta from 25°C  
Operating Voltage Range  
Quiescent Supply Current  
TEMPERATURE RANGE  
Specified Performance Grade A  
4.75  
–43  
5.33  
6.3  
5.25  
8.3  
V
mA  
Temperature Tested to Max and Min Specs.  
+85  
°C  
1 All min and max specifications are guaranteed. Typical specifications are not tested or guaranteed.  
2 Dynamic range is the maximum full-scale measurement range possible, including output swing range, initial offset, sensitivity, offset drift, and sensitivity drift at  
5 V supplies.  
± Specification refers to the maximum extent of this parameter as a worst-case value of TMIN or TMAX  
.
4 Frequency at which response is ± dB down from dc response with specified compensation capacitor value. Internal pole forming resistor is 183 kΩ. See Setting Band-  
width section.  
5 Self-test response varies with temperature. Refer to the Self-Test Function section for details.  
Rev. A | Page ± of 8  
 
 
 
 
 
 
 
 
 
ADXꢃ ±33s  
AB OLUTEsMAXIMUMsꢃATING s  
Table 2. ADXRS300 Absolute Maximum Ratings  
Rate Sensitive Axis  
Parameter  
Rating  
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.  
Acceleration (Any Axis, Unpowered, 3.5 ms)  
Acceleration (Any Axis, Powered, 3.5 ms)  
+VS  
2333 g  
2333 g  
–3.± V to +6.3 V  
Output Short-Circuit Duration  
(Any Pin to Common)  
Indefininte  
RATEOUT  
RATE  
Operating Temperature Range  
Storage Temperature  
–55°C to +125°C  
–65°C to +153°C  
AXIS  
V
= 5V  
CC  
LONGITUDINAL  
AXIS  
4.75V  
Stresses above those listed under the Absolute Maximum Rat-  
ings 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 sec-  
tion of this specification is not implied. Exposure to absolute  
maximum rating conditions for extended periods may affect  
device reliability.  
2.5V  
7
RATE IN  
0.25V  
1
A B C D E F G  
LATERAL AXIS  
A1  
GND  
Figure 2. RATEOUT Signal Increases with Clockwise Rotation  
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.  
Rev. A | Page 4 of 8  
 
s
ADXꢃ ±33  
THEOꢃꢂsOFsOPEꢃATIONs  
The ADXRS300 operates on the principle of a resonator gyro.  
Two polysilicon sensing structures each contain a dither frame,  
which is electrostatically driven to resonance. This produces the  
necessary velocity element to produce a Coriolis force during  
angular rate. At two of the outer extremes of each frame,  
orthogonal to the dither motion, are movable fingers that are  
placed between fixed pickoff fingers to form a capacitive pickoff  
structure that senses Coriolis motion. The resulting signal is fed  
to a series of gain and demodulation stages that produce the  
electrical rate signal output. The dual-sensor design rejects  
external g-forces and vibration. Fabricating the sensor with the  
signal conditioning electronics preserves signal integrity in  
noisy environments.  
Supply and Common Considerations  
Only power supplies used for supplying analog circuits are rec-  
ommended for powering the ADXRS300. High frequency noise  
and transients associated with digital circuit supplies may have  
adverse effects on device operation.  
Figure 3 shows the recommended connections for the  
ADXRS300 where both AVCC and PDD have a separate  
decoupling capacitor. These should be placed as close to the  
their respective pins as possible before routing to the system  
analog supply. This will minimize the noise injected by the  
charge pump that uses the PDD supply.  
It is also recommended to place the charge pump capacitors  
connected to the CP1–CP4 pins as close to the part as possible.  
These capacitors are used to produce the on-chip high voltage  
supply switched at the dither frequency at approximately  
14 kHz. Care should be taken to ensure that there is no more  
than 50 pF of stray capacitance between CP1–CP4 and ground.  
Surface-mount chip capacitors are suitable as long as they are  
rated for over 15 V.  
The electrostatic resonator requires 14 V to 16 V for operation.  
Since only 5 V is typically available in most applications, a  
charge pump is included on-chip. If an external 14 V to 16 V  
supply is available, the two capacitors on CP1–CP4 can be omit-  
ted and this supply can be connected to CP5 (Pin 7D) with a  
100 nF decoupling capacitor in place of the 47 nF.  
After the demodulation stage there is a single-pole low-pass  
filter consisting of an internal 7 kΩ resistor (RSEN1) and an  
external user-supplied capacitor (CMID). A CMID capacitor of  
100 nF sets a 400 Hz 35% low-pass pole and is used to limit  
high frequency artifacts before final amplification. Bandwidth  
limit capacitor, COUT, sets the pass bandwidth (see Figure 4 and  
the Setting Bandwidth section).  
-
+
5V  
100nF  
C
100nF  
CMID  
OUT  
AGND  
AVCC  
3A  
SUMJ  
2G 1F  
1D  
1C  
R
ST1 5G  
ST2  
OUT  
CORIOLIS  
SELF  
TEST  
180k1%  
SIGNAL CHANNEL  
4G  
R
R
SEN2  
SEN1  
π
RATE  
SENSOR  
DEMOD  
1B  
100nF  
22nF  
RATE-  
OUT  
7kΩ ±35%  
2A  
1E  
RESONATOR LOOP  
2.5V REF  
PTAT  
2.5V  
PGND  
7F  
CP4  
CP3 CP5  
PDD  
7E  
3G TEMP  
7C  
7B  
7D  
12V  
CHARGE  
PUMP/REG.  
6G  
6A  
5A  
4A  
PDD  
47nF  
7E 6G 7F 6A 7B 7C 7D  
CP4 CP3 CP5  
4A 5A  
CP2  
CP1  
CP1  
22nF  
CP2  
5G  
4G  
ST1  
47nF  
PGND  
22nF  
22nF  
ADXRS300  
ST2  
100nF  
3A  
5V  
AVCC  
3G  
2G  
TEMP  
Figure 4. Block Diagram with External Components  
100nF  
1D  
2A  
Setting Bandwidth  
1B  
1C  
1E  
1F  
External capacitors CMID and COUT are used in combination  
with on-chip resistors to create two low-pass filters to limit the  
bandwidth of the ADXRS300s rate response. The –3 dB fre-  
quency set by ROUT and COUT is  
RATEOUT SUMJ  
CMID 2.5V AGND  
100nF  
C
= 22nF  
OUT  
NOTE THAT INNER ROWS/COLUMNS OF PINS HAVE BEEN OMITTED  
FOR CLARITY BUT SHOULD BE CONNECTED IN THE APPLICATION.  
fOUT = 1/  
(
2 × π × ROUT ×COUT  
)
Figure 3. Example Application Circuit (Top View)  
and can be well controlled since ROUT has been trimmed during  
manufacturing to be 180 kΩ 1%. Any external resistor applied  
Rev. A | Page 5 of 8  
 
 
 
 
 
ADXꢃ ±33s  
between the RATEOUT (1B, 2A) and SUMJ (1C, 2C) pins will  
result in  
the positive supply is a simple way of achieving this. The nomi-  
nal 2.5 V null is for a symmetrical swing range at RATEOUT  
(1B, 2A). However, a nonsymmetric output swing may be suit-  
able in some applications. Note that if a resistor is connected to  
the positive supply, then supply disturbances may reflect some  
null instabilities. Digital supply noise should be avoided  
particularly in this case (see the Supply and Common  
Considerations section).  
ROUT  
=
(
180 kΩ×REXT  
)
/
(
180 kΩ×REXT  
)
The –3 dB frequency is set by RSEN (the parallel combination  
of RSEN1 and RSEN2) at about 3.5 kΩ nominal; CMID is less well  
controlled since RSEN1 and RSEN2 have been used to trim the rate  
sensitivity during manufacturing and have a 35% tolerance. Its  
primary purpose is to limit the high frequency demodulation  
artifacts from saturating the final amplifier stage. Thus, this pole  
of nominally 400 Hz @ 0.1 µF need not be precise. Lower fre-  
quency is preferable, but its variability usually requires it to be  
about 10 times greater (in order to preserve phase integrity)  
than the well-controlled output pole. In general, both –3 dB  
filter frequencies should be set as low as possible to reduce the  
amplitude of these high frequency artifacts and to reduce the  
overall system noise.  
The resistor value to use is approximately  
RNULL = (2.5×180,000)/(VNULL0 VNULL1  
)
V
NULL0 is the unadjusted zero rate output, and VNULL1 is the target  
null value. If the initial value is below the desired value, the  
resistor should terminate on common or ground. If it is above  
the desired value, the resistor should terminate on the 5 V sup-  
ply. Values are typically in the 1 MΩ to 5 MΩ range.  
If an external resistor is used across RATEOUT and SUMJ, then  
the parallel equivalent value is substituted into the above equa-  
tion. Note that the resistor value is an estimate since it assumes  
VCC = 5.0 V and VSUMJ = 2.5 V.  
Increasing Measurement Range  
The full-scale measurement range of the ADXRS300 can be  
increased by placing an external resistor between the RATE-  
OUT (1B, 2A) and SUMJ (1C, 2C) pins, which would parallel  
the internal ROUT resistor that is factory-trimmed to 180 kΩ. For  
example, a 330 kΩ external resistor will give ~50% increase in  
the full-scale range. This is effective for up to a 4× increase in  
the full-scale range (minimum value of the parallel resistor  
allowed is 45 kΩ). Beyond this amount of external sensitivity  
reduction, the internal circuitry headroom requirements  
prevent further increase in the linear full-scale output range.  
The drawbacks of modifying the full-scale range are the addi-  
tional output null drift (as much as 2°/sec over temperature)  
and the readjustment of the initial null bias (see the Null Adjust  
section).  
Self-Test Function  
The ADXRS300 includes a self-test feature that actuates each of  
the sensing structures and associated electronics in the same  
manner as if subjected to angular rate. It is activated by standard  
logic high levels applied to inputs ST1 (5F, 5G), ST2 (4F, 4G), or  
both. ST1 will cause a voltage at RATEOUT equivalent to typi-  
cally –270 mV and ST2 will cause an opposite +270 mV change.  
The self-test response follows the viscosity temperature depend-  
ence of the package atmosphere, approximately 0.25%/°C.  
Activating both ST1 and ST2 simultaneously is not damaging.  
Since ST1 and ST2 are not necessarily closely matched, actuat-  
ing both simultaneously may result in an apparent null bias  
shift.  
Using the ADXRS300 with a Supply-  
Ratiometric ADC  
The ADXRS300s RATEOUT signal is nonratiometric, i.e., nei-  
ther the null voltage nor the rate sensitivity is proportional to  
the supply. Rather they are nominally constant for dc supply  
changes within the 4.75 V to 5.25 V operating range. If the  
ADXRS300 is used with a supply-ratiometric ADC, the  
ADXRS300s 2.5 V output can be converted and used to make  
corrections in software for the supply variations.  
Continuous Self-Test  
The one-chip integration of the ADXRS300 gives it higher reli-  
ability than is obtainable with any other high volume manufac-  
turing method. Also, it is manufactured under a mature BIMOS  
process that has field-proven reliability. As an additional failure  
detection measure, power-on self-test can be performed. How-  
ever, some applications may warrant continuous self-test while  
sensing rate. Application notes outlining continuous self-test  
techniques are also available on the Analog Devices website.  
Null Adjust  
Null adjustment is possible by injecting a suitable current to  
SUMJ (1C, 2C). Adding a suitable resistor to either ground or to  
Rev. A | Page 6 of 8  
 
 
s
ADXꢃ ±33  
PINsꢀONFIGUꢃATION sANDsFUNꢀTIONALsDE ꢀꢃIPTION s  
PGND  
CP3  
CP5  
PDD  
CP4  
7
6
5
4
3
2
1
ST1  
ST2  
CP1  
CP2  
AVCC  
TEMP  
AGND  
RATEOUT  
SUMJ  
CMID  
2.5V  
E
G
F
D
C
B
A
Figure 5. 32-Lead BGA (Bottom View)  
Table 3. Pin Function Descriptions—32-LEAD BGA  
Pin No.  
6D, 7D  
6A, 7B  
6C, 7C  
5A, 5B  
4A, 4B  
±A, ±B  
1B, 2A  
1C, 2C  
1D, 2D  
1E, 2E  
1F, 2G  
±F, ±G  
4F, 4G  
5F, 5G  
6G, 7F  
6E, 7E  
Mnemonic  
CP5  
Description  
HV Filter Capacitor—47 nF  
CP4  
Charge Pump Capacitor—22 nF  
Charge Pump Capacitor—22 nF  
CP±  
CP1  
CP2  
AVCC  
RATEOUT  
SUMJ  
CMID  
2.5V  
+ Analog Supply  
Rate Signal Output  
Output Amp Summing Junction  
HF Filter Capacitor—133 nF  
2.5 V Precision Reference  
Analog Supply Return  
Temperature Voltage Output  
Self-Test for Sensor 2  
AGND  
TEMP  
ST2  
ST1  
Self-Test for Sensor 1  
PGND  
PDD  
Charge Pump Supply Return  
+ Charge Pump Supply  
Rev. A | Page 7 of 8  
 
ADXꢃ ±33s  
OUTLINEsDIMEN ION s  
A1 CORNER  
INDEX AREA  
1
7.00 BSC SQ  
7
6
5
4
3
2
A
B
C
D
E
F
A1  
BOTTOM  
VIEW  
TOP VIEW  
DETAIL A  
G
4.80 BSC  
DETAIL A  
3.20  
2.50  
0.44  
0.25  
0.15 MAX  
COPLANARITY  
3.65 MAX  
0.60  
0.80  
BSC  
SEATING  
PLANE  
0.55  
0.50  
BALL DIAMETER  
Figure 6. 32-Lead Chip Scale Ball Grid Array [CSPBGA]  
(BC-32)  
Dimensions shown in millimeters  
ESD CAUTION  
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4333 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.  
Ordering Guide  
ADXRS300 Products  
Temperature Package  
–43°C to +85°C  
Package Description  
±2-Lead BGA  
Package Outline  
BC-±2  
ADXRS±33ABG  
ADXRS±33ABG-Reel  
–43°C to +85°C  
±2-Lead BGA  
BC-±2  
© 2003 Analog Devices, Inc. All rights reserved. Trademarks and regis-  
tered trademarks are the property of their respective companies.  
C03227-0-3/03(A)  
Rev. A | Page 8 of 8  
 
配单直通车
ADXRS300ABG产品参数
型号:ADXRS300ABG
Source Url Status Check Date:2013-05-01 14:56:52.29
Brand Name:Analog Devices Inc
是否无铅: 含铅
是否Rohs认证: 不符合
生命周期:Obsolete
零件包装代码:BGA
包装说明:7 X 7 MM, 3 MM HEIGHT, BGA-32
针数:32
制造商包装代码:BG-32-3
Reach Compliance Code:not_compliant
ECCN代码:7A994
HTS代码:8542.39.00.01
风险等级:5.58
模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:S-PBGA-B32
JESD-609代码:e0
长度:7 mm
功能数量:1
端子数量:32
最高工作温度:85 °C
最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY
封装代码:FBGA
封装等效代码:BGA32,7X7,32
封装形状:SQUARE
封装形式:GRID ARRAY, FINE PITCH
峰值回流温度(摄氏度):NOT APPLICABLE
电源:5 V
认证状态:Not Qualified
座面最大高度:3.65 mm
子类别:Other Analog ICs
最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):5 V
表面贴装:YES
技术:BIMOS
温度等级:INDUSTRIAL
端子面层:TIN LEAD
端子形式:BALL
端子节距:0.8 mm
端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT APPLICABLE
宽度:7 mm
Base Number Matches:1
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