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AD8603_05

更新时间: 2024-11-04 04:31:07
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20页 458K
描述
Precision Micropower, Low Noise CMOS Rail-to-Rail Input/Output Operational Amplifiers

AD8603_05 数据手册

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Precision Micropower, Low Noise CMOS  
Rail-to-Rail Input/Output Operational Amplifiers  
AD8603/AD8607/AD8609  
FEATURES  
PIN CONFIGURATIONS  
Low offset voltage: 50 μV max  
Low input bias current: 1 pA max  
Single-supply operation: 1.8 V to 5 V  
Low noise: 22 nV/√Hz  
Micropower: 50 μA max  
Low distortion  
OUT  
V–  
1
2
3
5
V+  
AD8603  
TOP VIEW  
(Not to Scale)  
+IN  
4
–IN  
Figure 1. 5-Lead TSOT-23 (UJ Suffix)  
No phase reversal  
Unity gain stable  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
AD8607  
OUT B  
–IN B  
+IN B  
TOP VIEW  
APPLICATIONS  
Battery-powered instrumentation  
(Not to Scale)  
Multipole filters  
Sensors  
Figure 2. 8-Lead MSOP (RM Suffix)  
Low power ASIC input or output amplifiers  
OUT A  
IN A  
+IN A  
1
2
3
4
8
7
6
5
V+  
AD8607  
OUT B  
GENERAL DESCRIPTION  
IN B  
TOP VIEW  
(Not to Scale)  
The AD8603/AD8607/AD8609 are single/dual/quad micro-  
power rail-to-rail input and output amplifiers, respectively, that  
feature very low offset voltage as well as low input voltage and  
current noise.  
V
+IN B  
Figure 3. 8-Lead SOIC_N (R Suffix)  
1
2
3
4
5
6
7
OUT A  
IN A  
14  
13  
12  
11  
OUT D  
–IN D  
+IN D  
V–  
These amplifiers use a patented trimming technique that  
achieves superior precision without laser trimming. The parts  
are fully specified to operate from 1.8 V to 5.0 V single supply  
or from ±0.9 V to ±±.5 V dual supply. The combination of low  
offsets, low noise, very low input bias currents, and low power  
consumption make the AD8603/AD8607/AD8609 especially  
useful in portable and loop-powered instrumentation.  
+IN A  
V+  
AD8609  
TOP VIEW  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
10 +IN C  
9
8
–IN C  
OUT C  
The ability to swing rail-to-rail at both the input and output  
enables designers to buffer CMOS ADCs, DACs, ASICs, and  
other wide output swing devices in low power, single-supply  
systems.  
Figure 4. 14-Lead TSSOP (RU Suffix)  
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–  
AD8609  
TOP VIEW  
The AD8603 is available in a tiny 5-lead TSOT-±3 package.  
The AD8607 is available in 8-lead MSOP and 8-lead SOIC  
packages. The AD8609 is available in 14-lead TSSOP and  
14-lead SOIC packages.  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
10 +IN C  
9
8
–IN C  
OUT C  
Figure 5. 14-Lead SOIC_N (R Suffix)  
Rev. B  
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: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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