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ADA4084-2ARMZ-RL

更新时间： 2024-11-22 12:26:15
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28页 800K
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30 V, Low Noise, Rail-to-Rail I/O, Low Power Operational Amplifier

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30 V, Low Noise, Rail-to-Rail  
I/O, Low Power Operational Amplifier  
ADA4084-2  
Data Sheet  
FEATURES  
PIN CONFIGURATION  
Rail-to-rail input/output  
Low power: 625 µA typical  
ADA4084-2  
V+  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
OUT B  
–IN B  
+IN B  
Gain bandwidth product: 15.9 MHz at AV =100 typical  
Unity-gain crossover: 9.9 MHz typical  
−3 dB closed-loop bandwidth: 13.9 MHz typical at 15 V  
Low offset voltage: 100 μV maximum (SOIC)  
Unity-gain stable  
TOP VIEW  
(Not to Scale)  
NOTES  
1. FOR THE LFSCP PACKAGE THE  
EXPOSED PAD MUST BE  
CONNECTED TO V–.  
High slew rate: 4.6 V/μs typical  
Low noise: 3.9 nV/√Hz typical at 1 kHz  
Figure 1. 8-Lead MSOP (RM)  
8-Lead SOIC (R)  
APPLICATIONS  
8-Lead LFCSP (CP)  
Battery-powered instrumentation  
Power supply control and protection  
Telecommunications  
DAC output amplifier  
ADC input buffer  
GENERAL DESCRIPTION  
The ADA4084-2 is a dual, single-supply, 10 MHz bandwidth  
amplifier featuring rail-to-rail inputs and outputs. It is guaran-  
teed to operate from 3 V to 30 V (or 1.5 V to 15 V).  
The ADA4084-2 is a member of a growing series of high voltage,  
low noise op amps offered by Analog Devices, Inc., (see Table 1).  
These amplifiers are well suited for single-supply applications  
requiring both ac and precision dc performance. The combina-  
tion of wide bandwidth, low noise, and precision makes the  
ADA4084-2 useful in a wide variety of applications, including  
filters and instrumentation.  
For a more complete selection table of low input voltage noise  
amplifiers, see the AN-940 Application Note, Low Noise  
Amplifier Selection Guide for Optimal Noise Performance,  
available at www.analog.com.  
Other applications for these amplifiers include portable telecom-  
munications equipment, power supply control and protection,  
and use as amplifiers or buffers for transducers with wide output  
ranges. Sensors requiring a rail-to-rail input amplifier include  
Hall effect, piezoelectric, and resistive transducers.  
Table 1. Low Noise Op Amps  
Voltage Noise  
Single  
Dual  
Quad  
1.1 nV/Hz  
AD8597  
AD8599  
ADA4004-2  
AD8676  
AD8672  
1.8 nV/Hz  
2.8 nV/Hz RRO1  
2.8 nV/Hz  
ADA4004-1  
AD8675  
AD8671  
ADA4004-4  
AD8674  
The ability to swing rail-to-rail at both the input and output  
enables designers to build multistage filters in single-supply  
systems and to maintain high signal-to-noise ratios.  
3.2 nV/Hz  
3.9 nV/Hz RRIO2  
OP27/OP37  
ADA4084-2  
1 Rail-to-rail output.  
The ADA4084-2 is specified over the industrial temperature  
range of −40°C to +125°C. The dual ADA4084-2 is available in  
the 8-lead SOIC, MSOP, and LFCSP surface-mount packages.  
2 Rail-to-rail input/output.  
Rev. C  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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 ©2011–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 
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ADA4084-2ARMZ-RL 替代型号

型号 品牌 替代类型 描述 数据表
ADA4084-2ARMZ-R7 ADI

类似代替

 30 V, Low Noise, Rail-to-Rail I/O, Low Power Operational Amplifier
ADA4084-2ARMZ ADI

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