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AD824_03 PDF预览

AD824_03

更新时间: 2024-11-18 04:30:59
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
16页 553K
描述
Single Supply, Rail-to-Rail Low Power, FET-Input Op Amp

AD824_03 数据手册

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Single Supply, Rail-to-Rail  
Low Power, FET-Input Op Amp  
AD824  
PIN CONFIGURATIONS  
FEATURES  
Single Supply Operation: 3 V to 30 V  
Very Low Input Bias Current: 2 pA  
Wide Input Voltage Range  
Rail-to-Rail Output Swing  
Low Supply Current: 500 A/Amp  
Wide Bandwidth: 2 MHz  
Slew Rate: 2 V/s  
16-Lead Epoxy SOIC  
(R Suffix)  
14-Lead Epoxy SOIC  
(R Suffix)  
OUT D  
–IN D  
OUT A  
–IN A  
+IN A  
V+  
1
2
3
4
5
6
7
8
16  
15  
OUT A  
–IN A  
+IN A  
V+  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
OUT D  
–IN D  
+IN D  
V–  
14 +IN D  
No Phase Reversal  
AD824  
13  
12  
V–  
AD824  
TOP VIEW  
+IN B  
–IN B  
OUT B  
+IN C  
APPLICATIONS  
(Not to Scale)  
+IN C  
–IN C  
OUT C  
+IN B  
–IN B  
OUT B  
Photo Diode Preamplifier  
Battery Powered Instrumentation  
Power Supply Control and Protection  
Medical Instrumentation  
Remote Sensors  
11 –IN C  
OUT C  
NC  
10  
9
8
NC  
NC = NO CONNECT  
Low Voltage Strain Gage Amplifiers  
DAC Output Amplifier  
GENERAL DESCRIPTION  
The FET input combined with laser trimming provides an input  
that has extremely low bias currents with guaranteed offsets  
below 1 mV. This enables high accuracy designs even with  
high source impedances. Precision is combined with low  
noise, making the AD824 ideal for use in battery powered  
medical equipment.  
The AD824 is a quad, FET input, single supply amplifier, fea-  
turing rail-to-rail outputs. The combination of FET inputs and  
rail-to-rail outputs makes the AD824 useful in a wide variety of  
low voltage applications where low input current is a primary  
consideration.  
The AD824 is guaranteed to operate from a 3 V single supply  
up to ±15 V dual supplies. AD824AR-3V Parametric Perfor-  
mance at 3 V is fully guaranteed.  
Applications for the AD824 include portable medical equipment,  
photo diode preamplifiers and high impedance transducer  
amplifiers.  
Fabricated on ADI’s complementary bipolar process, the AD824  
has a unique input stage that allows the input voltage to safely  
extend beyond the negative supply and to the positive supply  
without any phase inversion or latchup. The output voltage  
swings to within 15 mV of the supplies. Capacitive loads to  
350 pF can be handled without oscillation.  
The ability of the output to swing rail-to-rail enables designers  
to build multistage filters in single supply systems and maintain  
high signal-to-noise ratios.  
The AD824 is specified over the extended industrial (–40C to  
+85C) temperature range and is available in narrow 14-lead  
and 16-lead SOIC packages.  
REV. C  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. 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 companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  

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