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AD743JR PDF预览

AD743JR

更新时间： 2024-01-15 12:53:25
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
12页 230K
描述
Ultralow Noise BiFET Op Amp

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AD743JR 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：DIP包装说明：CERDIP-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.31.00.01
风险等级：5.77放大器类型：OPERATIONAL AMPLIFIER
架构：VOLTAGE-FEEDBACK最大平均偏置电流 (IIB)：0.0006 µA
25C 时的最大偏置电流 (IIB)：0.0004 µA最小共模抑制比：78 dB
标称共模抑制比：95 dB频率补偿：YES
最大输入失调电压：2000 µVJESD-30 代码：R-GDIP-T8
JESD-609代码：e0低-偏置：YES
低-失调：NO负供电电压上限：-18 V
标称负供电电压 (Vsup)：-15 V功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-55 °C封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：+-15 V
认证状态：Not Qualified座面最大高度：5.08 mm
标称压摆率：2.8 V/us子类别：Operational Amplifier
最大压摆率：10 mA供电电压上限：18 V
标称供电电压 (Vsup)：15 V表面贴装：NO
技术：BIPOLAR温度等级：MILITARY
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED标称均一增益带宽：4500 kHz
最小电压增益：800000宽度：7.62 mm
Base Number Matches：1

AD743JR 数据手册

 浏览型号AD743JR的Datasheet PDF文件第2页浏览型号AD743JR的Datasheet PDF文件第3页浏览型号AD743JR的Datasheet PDF文件第4页浏览型号AD743JR的Datasheet PDF文件第5页浏览型号AD743JR的Datasheet PDF文件第6页浏览型号AD743JR的Datasheet PDF文件第7页 
Ultralow Noise  
BiFET Op Amp  
AD743  
FEATURES  
Ultralow Noise Performance  
CONNECTION DIAGRAMS  
8-Lead PDIP (N)  
16-Lead SOIC (R)  
2.9 nV/  
0.38 ␮V p-p, 0.1 Hz to 10 Hz  
6.9 fA/ Hz Current Noise at 1 kHz  
√Hz at 10 kHz  
1
2
3
4
NULL  
–IN  
NC  
16  
1
2
3
4
8
NC  
NC  
NC  
+V  
√
AD743  
OFFSET  
NULL  
AD743  
15  
14  
7
6
5
S
Excellent DC Performance  
–IN  
NC  
+IN  
+IN  
0.5 mV Max Offset Voltage  
250 pA Max Input Bias Current  
1000 V/mV Min Open-Loop Gain  
NC  
+V  
OUT  
–V  
S
13  
12  
S
NULL  
TOP VIEW  
OUTPUT  
5
6
NC = NO CONNECT  
AC Performance  
2.8 V/␮s Slew Rate  
4.5 MHz Unity-Gain Bandwidth  
THD = 0.0003% @ 1 kHz  
Available in Tape and Reel in Accordance with  
EIA-481A Standard  
OFFSET  
NULL  
–V  
S
11  
10  
9
NC  
NC  
7
8
NC  
NC  
NC = NO CONNECT  
APPLICATIONS  
Sonar Preamplifiers  
High Dynamic Range Filters (>140 dB)  
Photodiode and IR Detector Amplifiers  
Accelerometers  
2. The combination of low voltage and low current noise make  
the AD743 ideal for charge sensitive applications such as  
accelerometers and hydrophones.  
3. The low input offset voltage and low noise level of the AD743  
provide >140 dB dynamic range.  
4. The typical 10 kHz noise level of 2.9 nV/√Hz permits a three  
op amp instrumentation amplifier, using three AD743s, to be  
built which exhibits less than 4.2 nV/√Hz noise at 10 kHz  
and which has low input bias currents.  
GENERAL DESCRIPTION  
The AD743 is an ultralow noise, precision, FET input, monolithic  
operational amplifier. It offers a combination of the ultralow volt-  
age noise generally associated with bipolar input op amps and  
the very low input current of a FET input device. Furthermore,  
the AD743 does not exhibit an output phase reversal when the  
negative common-mode voltage limit is exceeded.  
1000  
R
OP27 AND  
RESISTOR  
( — )  
SOURCE  
The AD743’s guaranteed, maximum input voltage noise of  
4.0 nV/√Hz at 10 kHz is unsurpassed for a FET input mono-  
lithic op amp, as is the maximum 1.0 µV p-p, 0.1 Hz to 10 Hz  
noise. The AD743 also has excellent dc performance with 250 pA  
maximum input bias current and 0.5 mV maximum offset voltage.  
E
O
R
SOURCE  
100  
AD743 AND RESISTOR  
OR  
OP27 AND RESISTOR  
The AD743 is specifically designed for use as a preamp in capaci-  
tive sensors, such as ceramic hydrophones. The AD743J is rated  
over the commercial temperature range of 0°C to 70°C.  
AD743 AND  
RESISTOR  
(
)
10  
The AD743 is available in a 16-lead SOIC and 8-lead PDIP.  
PRODUCT HIGHLIGHTS  
RESISTOR NOISE ONLY  
(– – –)  
1. The low offset voltage and low input offset voltage drift of the  
AD743 coupled with its ultralow noise performance mean  
that the AD743 can be used for upgrading many applications  
now using bipolar amplifiers.  
1
100  
1k  
10k  
100k  
1M  
10M  
SOURCE RESISTANCE (⍀)  
Figure 1. Input Voltage Noise vs. Source Resistance  
REV. E  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. 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.  
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