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AD620SQ/883B PDF预览

AD620SQ/883B

更新时间: 2024-01-10 22:57:19
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器放大器电路
页数 文件大小 规格书
20页 1000K
描述
Low Cost Low Power Instrumentation Amplifier

AD620SQ/883B 技术参数

Source Url Status Check Date:2013-05-01 14:56:15.333是否无铅: 含铅
是否Rohs认证: 不符合生命周期:Active
零件包装代码:DIP包装说明:DIP,
针数:8Reach Compliance Code:unknown
风险等级:2.3Is Samacsys:N
放大器类型:INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB):0.004 µA
标称带宽 (3dB):1 MHz最小共模抑制比:90 dB
最大输入失调电流 (IIO):0.002 µA最大输入失调电压:225 µV
JESD-30 代码:R-GDIP-T8长度:10.29 mm
湿度敏感等级:NOT APPLICABLE负供电电压上限:-18 V
标称负供电电压 (Vsup):-15 V最大非线性:0.004%
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
封装形状:RECTANGULAR封装形式:IN-LINE
筛选级别:MIL-STD-883B座面最大高度:5.08 mm
标称压摆率:1.2 V/us子类别:Instrumentation Amplifier
供电电压上限:18 V标称供电电压 (Vsup):15 V
表面贴装:NO温度等级:MILITARY
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL总剂量:MIL-STD-883B V
最大电压增益:10000最小电压增益:1
标称电压增益:10宽度:7.62 mm
Base Number Matches:1

AD620SQ/883B 数据手册

 浏览型号AD620SQ/883B的Datasheet PDF文件第2页浏览型号AD620SQ/883B的Datasheet PDF文件第3页浏览型号AD620SQ/883B的Datasheet PDF文件第4页浏览型号AD620SQ/883B的Datasheet PDF文件第5页浏览型号AD620SQ/883B的Datasheet PDF文件第6页浏览型号AD620SQ/883B的Datasheet PDF文件第7页 
Low Cost Low Power  
Instrumentation Amplifier  
AD620  
FEATURES  
Easy to use  
CONNECTION DIAGRAM  
Gain set with one external resistor  
(Gain range 1 to 10,000)  
1
2
3
4
8
7
6
5
R
R
G
G
+V  
–IN  
+IN  
S
Wide power supply range ( 2.3 V to 18 V)  
Higher performance than 3 op amp IA designs  
Available in 8-lead DIP and SOIC packaging  
Low power, 1.3 mA max supply current  
Excellent dc performance (B grade)  
50 µV max, input offset voltage  
0.6 µV/°C max, input offset drift  
1.0 nA max, input bias current  
100 dB min common-mode rejection ratio (G = 10)  
Low noise  
9 nV/√Hz @ 1 kHz, input voltage noise  
0.28 µV p-p noise (0.1 Hz to 10 Hz)  
Excellent ac specifications  
120 kHz bandwidth (G = 100)  
15 µs settling time to 0.01%  
OUTPUT  
REF  
–V  
S
AD620  
TOP VIEW  
Figure 1. 8-Lead PDIP (N), CERDIP (Q), and SOIC (R) Packages  
PRODUCT DESCRIPTION  
The AD620 is a low cost, high accuracy instrumentation  
amplifier that requires only one external resistor to set gains of  
1 to 10,000. Furthermore, the AD620 features 8-lead SOIC and  
DIP packaging that is smaller than discrete designs and offers  
lower power (only 1.3 mA max supply current), making it a  
good fit for battery-powered, portable (or remote) applications.  
The AD620, with its high accuracy of 40 ppm maximum  
nonlinearity, low offset voltage of 50 µV max, and offset drift of  
0.6 µV/°C max, is ideal for use in precision data acquisition  
systems, such as weigh scales and transducer interfaces.  
Furthermore, the low noise, low input bias current, and low power  
of the AD620 make it well suited for medical applications, such  
as ECG and noninvasive blood pressure monitors.  
APPLICATIONS  
Weigh scales  
ECG and medical instrumentation  
Transducer interface  
Data acquisition systems  
Industrial process controls  
Battery-powered and portable equipment  
The low input bias current of 1.0 nA max is made possible with  
the use of Superϐeta processing in the input stage. The AD620  
works well as a preamplifier due to its low input voltage noise of  
9 nV/√Hz at 1 kHz, 0.28 µV p-p in the 0.1 Hz to 10 Hz band,  
and 0.1 pA/√Hz input current noise. Also, the AD620 is well  
suited for multiplexed applications with its settling time of 15 µs  
to 0.01%, and its cost is low enough to enable designs with one  
in-amp per channel.  
30,000  
10,000  
25,000  
20,000  
15,000  
10,000  
5,000  
0
3 OP AMP  
IN-AMP  
1,000  
(3 OP-07s)  
TYPICAL STANDARD  
BIPOLAR INPUT  
IN-AMP  
100  
G = 100  
AD620A  
G
10  
R
AD620 SUPERβETA  
BIPOLAR INPUT  
IN-AMP  
1
0.1  
1k  
0
5
10  
15  
20  
10k  
100k  
1M  
10M  
100M  
SUPPLY CURRENT (mA)  
SOURCE RESISTANCE (  
)
Figure 2. Three Op Amp IA Designs vs. AD620  
Figure 3. Total Voltage Noise vs. Source Resistance  
Rev. G  
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 owners.  
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  
© 2004 Analog Devices, Inc. All rights reserved.  

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