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ADA4000-2ARMZ1 PDF预览

ADA4000-2ARMZ1

更新时间: 2024-02-13 12:01:54
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16页 420K
描述
Low Cost, Precision JFET Input Operational Amplifiers

ADA4000-2ARMZ1 数据手册

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Low Cost, Precision JFET  
Input Operational Amplifiers  
ADA4000-1/ADA4000-2/ADA4000-4  
FEATURES  
PIN CONFIGURATIONS  
High slew rate: 20 V/μs  
Fast settling time  
Low offset voltage: 1.70 mV maximum  
Bias current: 40 pA maximum  
4 V to 18 V operation  
OUT  
V–  
1
2
3
5
V+  
ADA4000-1  
TOP VIEW  
(Not to Scale)  
+IN  
4
–IN  
Figure 1. 5-Lead TSOT (UJ-5)  
Low voltage noise: 16 nV/Hz  
Unity gain stable  
Common-mode voltage includes +VS  
Wide bandwidth: 5 MHz  
NC  
–IN  
+IN  
V–  
1
2
3
4
8
7
6
5
NC  
V+  
ADA4000-1  
TOP VIEW  
(Not to Scale)  
OUT  
NC  
NC = NO CONNECT  
APPLICATIONS  
Figure 2. 8-Lead SOIC (R-8)  
Reference gain/buffers  
Level shift/driving  
Active filters  
Power line monitoring/control  
Current/voltage sense or monitoring  
Data acquisition  
Sample-and-hold circuits  
Integrators  
OUT A  
–IN A  
+IN A  
–V  
1
2
3
4
8
7
6
5
+V  
OUT B  
–IN B  
+IN B  
ADA4000-2  
TOP VIEW  
(Not to Scale)  
Figure 3. 8-Lead SOIC (R-8)  
OUT A  
–IN A  
+IN A  
–V  
1
2
3
4
8
7
6
5
+V  
OUT B  
–IN B  
+IN B  
ADA4000-2  
TOP VIEW  
(Not to Scale)  
GENERAL DESCRIPTION  
The ADA4000-1/ADA4000-2/ADA4000-4 are JFET input  
operational amplifiers featuring precision, very low bias current,  
and low power. Combining high input impedance, low input  
bias current, wide bandwidth, fast slew rate, and fast settling  
time, the ADA4000-1/ADA4000-2/ADA4000-4 are ideal  
amplifiers for driving analog-to-digital inputs and buffering  
digital-to-analog converter outputs. The input common-mode  
voltage includes the positive power supply, which makes the  
part an excellent choice for high-side signal conditioning.  
Figure 4. 8-Lead MSOP (RM-8)  
OUT A  
–IN A  
+IN A  
+V  
1
2
3
4
5
6
7
14 OUT D  
13 –IN D  
12 +IN D  
11 –V  
ADA4000-4  
TOP VIEW  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
10 +IN C  
9
8
–IN C  
OUT C  
Figure 5. 14-Lead SOIC (R-14)  
Additional applications for the ADA4000-1/ADA4000-2/  
ADA4000-4 include electronic instruments, ATE amplification,  
buffering, integrator circuits, instrumentation-quality photodiode  
amplification, and fast precision filters (including PLL filters).  
The parts also include utility functions, such as reference  
buffering, level shifting, control I/O interface, power supply  
control, and monitoring functions.  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
OUT A  
–IN A  
+IN A  
+V  
OUT D  
–IN D  
+IN D  
–V  
ADA4000-4  
TOP VIEW  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
+IN C  
–IN C  
OUT C  
8
Figure 6. 14-Lead TSSOP (RU-14)  
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 registeredtrademarks arethe 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: 781.461.3113 ©2007—2009 Analog Devices, Inc. All rights reserved.  
 
 

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