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AD8592_15 PDF预览

AD8592_15

更新时间: 2024-11-05 01:07:11
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亚德诺 - ADI /
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16页 408K
描述
CMOS Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers with Shutdown

AD8592_15 数据手册

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CMOS Single-Supply, Rail-to-Rail Input/Output  
Operational Amplifiers with Shutdown  
AD8591/AD8592/AD8594  
FEATURES  
PIN CONFIGURATIONS  
Single-supply operation: 2.5 V to 6 V  
High output current: 250 mA  
Extremely low shutdown supply current: 100 nA  
Low supply current: 750 μA/Amp  
Wide bandwidth: 3 MHz  
OUT A  
1
2
3
6
5
4
V+  
AD8591  
V–  
SD  
TOP VIEW  
(Not to Scale)  
+IN A  
–IN A  
Slew rate: 5 V/μs  
Figure 1. 6-Lead SOT-23 (RJ Suffix)  
No phase reversal  
Very low input bias current  
High impedance outputs when in shutdown mode  
Unity-gain stable  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
5
10 V+  
9
8
7
6
OUT B  
–IN B  
+IN B  
SDB  
AD8592  
TOP VIEW  
(Not to Scale)  
SDA  
APPLICATIONS  
Figure 2. 10-Lead MSOP (RM Suffix)  
Mobile communication handset audio  
PC audio  
PCMCIA/modem line driving  
Battery-powered instrumentation  
Data acquisition  
OUT A  
–IN A  
+IN A  
V+  
1
2
3
4
5
6
7
8
16 OUT D  
15 –IN D  
14  
+IN D  
AD8594  
13 V–  
TOP VIEW  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
NC  
12 +IN C  
11 –IN C  
10 OUT C  
ASIC input or output amplifiers  
LCD display reference level drivers  
9
SD  
NC = NO CONNECT  
Figure 3. 16-Lead Narrow SOIC (R Suffix)  
GENERAL DESCRIPTION  
The AD8591, AD8592, and AD8594 are single, dual, and quad  
rail-to-rail, input and output single-supply amplifiers featuring  
250 mA output drive current and a power saving shutdown mode.  
The AD8592 includes an independent shutdown function for  
each amplifier. When both amplifiers are in shutdown mode,  
the total supply current is reduced to less than 1 μA. The AD8591  
and AD8594 include a single master shutdown function that  
reduces the total supply current to less than 1 μA. All amplifier  
outputs are in a high impedance state when in shutdown mode.  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
OUT A  
–IN A  
+IN A  
V+  
OUT D  
–IN D  
+IN D  
V–  
AD8594  
TOP VIEW  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
NC  
+IN C  
–IN C  
OUT C  
SD  
NC = NO CONNECT  
These amplifiers have very low input bias currents, making them  
suitable for integrators and diode amplification. Outputs are stable  
with virtually any capacitive load. Supply current is less than  
750 μA per amplifier in active mode.  
Figure 4. 16-Lead TSSOP (RU Suffix)  
The AD8591, AD8592, and AD8594 are specified over the  
industrial temperature range (−40°C to +85°C). The AD8591,  
single, is available in the tiny 6-lead SOT-23 package. The AD8592,  
dual, is available in the 10-lead surface-mount MSOP package. The  
AD8594, quad, is available in 16-lead narrow SOIC and 16-lead  
TSSOP packages.  
Applications for these amplifiers include audio amplification for  
portable computers, portable phone headsets, sound ports, sound  
cards, and set-top boxes. The AD859x family is capable of driving  
heavy capacitive loads, such as LCD panel reference levels.  
The ability to swing rail to rail at both the input and output enables  
designers to buffer CMOS DACs, ASICs, and other wide output  
swing devices in single-supply systems.  
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 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  
Fax: 781.461.3113  
www.analog.com  
©2009 Analog Devices, Inc. All rights reserved.  
 

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