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AD8618_15

更新时间: 2024-11-21 01:14:15
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亚德诺 - ADI /
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20页 449K
描述
Precision, 20 MHz, CMOS, Rail-to-Rail

AD8618_15 数据手册

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Precision, 20 MHz, CMOS, Rail-to-Rail  
Input/Output Operational Amplifiers  
Data Sheet  
AD8615/AD8616/AD8618  
FEATURES  
PIN CONFIGURATIONS  
Low offset voltage: 65 μV maximum  
Single-supply operation: 2.7 V to 5.0 V  
Low noise: 8 nV/√Hz  
Wide bandwidth: >20 MHz  
Slew rate: 12 V/μs  
5
V+  
OUT  
V–  
1
2
3
AD8615  
TOP VIEW  
(Not to Scale)  
4
–IN  
+IN  
High output current: 150 mA  
No phase reversal  
Figure 1. 5-Lead TSOT-23 (UJ-5)  
Low input bias current: 1 pA  
Low supply current: 2 mA  
Unity-gain stable  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
AD8616  
OUT B  
–IN B  
+IN B  
TOP VIEW  
(Not to Scale)  
APPLICATIONS  
Figure 2. 8-Lead MSOP (RM-8)  
Barcode scanners  
Battery-powered instrumentation  
Multipole filters  
Sensors  
ASIC input or output amplifiers  
Audio  
Photodiode amplification  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
AD8616  
OUT B  
–IN B  
+IN B  
TOP VIEW  
(Not to Scale)  
Figure 3. 8-Lead SOIC (R-8)  
OUT A  
–IN A  
+IN A  
V+  
+IN B  
–IN B  
OUT B  
1
14  
OUT D  
–IN D  
+IN D  
V–  
+IN C  
–IN C  
OUT C  
GENERAL DESCRIPTION  
AD8618  
TOP VIEW  
(Not to Scale)  
The AD8615/AD8616/AD8618 are single/dual/quad, rail-to-  
rail, input and output, single-supply amplifiers featuring very  
low offset voltage, wide signal bandwidth, and low input voltage  
and current noise. The parts use a patented trimming technique  
that achieves superior precision without laser trimming. The  
AD8615/AD8616/AD8618 are fully specified to operate from  
2.7 V to 5 V single supplies.  
7
8
Figure 4. 14-Lead TSSOP (RU-14)  
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–  
AD8618  
TOP VIEW  
The combination of >20 MHz bandwidth, low offset, low noise,  
and low input bias current makes these amplifiers useful in a  
wide variety of applications. Filters, integrators, photodiode  
amplifiers, and high impedance sensors all benefit from the  
combination of performance features. AC applications benefit from  
the wide bandwidth and low distortion. The AD8615/AD8616/  
AD8618 offer the highest output drive capability of the DigiTrim®  
family, which is excellent for audio line drivers and other low  
impedance applications.  
(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)  
The AD8615/AD8616/AD8618 are specified over the extended  
industrial temperature range (−40°C to +125°C). The AD8615  
is available in 5-lead TSOT-23 package. The AD8616 is available  
in 8-lead MSOP and narrow SOIC surface-mount packages; the  
MSOP version is available in tape and reel only. The AD8618 is  
available in 14-lead SOIC and TSSOP packages.  
Applications for the parts include portable and low powered  
instrumentation, audio amplification for portable devices,  
portable phone headsets, bar code scanners, and multipole  
filters. 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 single-supply systems.  
Rev. G  
Document Feedback  
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 ©2004–2014 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 

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