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AD8552AR PDF预览

AD8552AR

更新时间: 2024-11-02 22:50:03
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20页 265K
描述
Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers

AD8552AR 数据手册

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Zero-Drift, Single-Supply,  
Rail-to-Rail Input/Output  
Operational Amplifiers  
a
AD8551/AD8552/AD8554  
PIN CONFIGURATIONS  
FEATURES  
Low Offset Voltage: 1 V  
8-Lead MSOP  
(RM Suffix)  
8-Lead SOIC  
(R Suffix)  
Input Offset Drift: 0.005 V/؇C  
Rail-to-Rail Input and Output Swing  
+5 V/+2.7 V Single-Supply Operation  
High Gain, CMRR, PSRR: 130 dB  
Ultralow Input Bias Current: 20 pA  
Low Supply Current: 700 A/Op Amp  
Overload Recovery Time: 50 s  
No External Capacitors Required  
NC  
؊IN A  
؉IN A  
V؊  
1
8
NC  
1
2
3
4
NC  
؊IN A  
+IN A  
V؊  
8
7
6
5
NC  
V+  
OUT A  
AD8551  
V+  
NC  
4
5
AD8551  
OUT A  
NC  
NC = NO CONNECT  
NC = NO CONNECT  
APPLICATIONS  
Temperature Sensors  
Pressure Sensors  
Precision Current Sensing  
Strain Gage Amplifiers  
Medical Instrumentation  
Thermocouple Amplifiers  
8-Lead TSSOP  
(RU Suffix)  
8-Lead SOIC  
(R Suffix)  
1
8
5
OUT A  
؊IN A  
+IN A  
V؊  
V+  
OUT B  
؊IN B  
+IN B  
1
2
3
4
8
7
6
5
OUT A  
؊IN A  
+IN A  
V؊  
V+  
AD8552  
4
OUT B  
؊IN B  
+IN B  
AD8552  
GENERAL DESCRIPTION  
This new family of amplifiers has ultralow offset, drift and bias  
current. The AD8551, AD8552 and AD8554 are single, dual and  
quad amplifiers featuring rail-to-rail input and output swings. All  
are guaranteed to operate from +2.7 V to +5 V single supply.  
14-Lead SOIC  
(R Suffix)  
14-Lead TSSOP  
(RU Suffix)  
The AD855x family provides the benefits previously found only  
in expensive autozeroing or chopper-stabilized amplifiers. Using  
Analog Devices’ new topology these new zero-drift amplifiers  
combine low cost with high accuracy. No external capacitors are  
required.  
OUT A  
؊IN A  
؉IN A  
V؉  
؉IN B  
؊IN B  
OUT B  
1
OUT D  
؊IN D  
؉IN D  
V؊  
؉IN C  
؊IN C  
OUT C  
14  
OUT A  
OUT D  
؊IN D  
+IN D  
V؊  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
؊IN A  
+IN A  
V+  
AD8554  
With an offset voltage of only 1 µV and drift of 0.005 µV/°C,  
the AD8551 is perfectly suited for applications where error  
sources cannot be tolerated. Temperature, position and pres-  
sure sensors, medical equipment and strain gage amplifiers  
benefit greatly from nearly zero drift over their operating  
temperature range. The rail-to-rail input and output swings  
provided by the AD855x family make both high-side and low-  
side sensing easy.  
7
8
AD8554  
+IN B  
؊IN B  
OUT B  
+IN C  
؊IN C  
OUT C  
8
The AD855x family is specified for the extended industrial/  
automotive (–40°C to +125°C) temperature range. The AD8551  
single is available in 8-lead MSOP and narrow 8-lead SOIC  
packages. The AD8552 dual amplifier is available in 8-lead  
narrow SO and 8-lead TSSOP surface mount packages. The  
AD8554 quad is available in narrow 14-lead SOIC and 14-lead  
TSSOP packages.  
REV. 0  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1999  

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