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OP213 PDF预览

OP213

更新时间: 2024-11-18 22:27:59
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16页 331K
描述
Low Noise, Low Drift Single-Supply Operational Amplifiers

OP213 数据手册

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Low Noise, Low Drift  
a
Single-Supply Operational Amplifiers  
OP113/OP213/OP413  
P IN CO NNECTIO NS  
FEATURES  
Single- or Dual-Supply Operation  
Low Noise: 4.7 nV/ Hz @ 1 kHz  
Wide Bandw idth: 3.4 MHz  
Low Offset Voltage: 100 V  
Very Low Drift: 0.2 V/ ؇C  
Unity Gain Stable  
8-Lead Nar r ow-Body SO  
8-Lead P lastic D IP  
NULL  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
NC  
1
NULL  
–IN A  
+IN A  
V–  
8
NC  
V+  
OP113  
V+  
OUT A  
NULL  
No Phase Reversal  
OUT A  
NULL  
5
4
NC = NO CONNECT  
APPLICATIONS  
Digital Scales  
OP113  
NC = NO CONNECT  
Multim edia  
Strain Gages  
Battery Pow ered Instrum entation  
Tem perature Transducer Am plifier  
8-Lead P lastic D IP  
8-Lead Nar r ow-Body SO  
OUT A  
1
2
3
4
8
7
6
5
V+  
OUT A  
–IN A  
+IN A  
V–  
1
8
V+  
OUT B  
–IN B  
+IN B  
OP213  
–IN A  
+IN A  
V–  
OUT B  
–IN B  
+IN B  
GENERAL D ESCRIP TIO N  
5
4
T he OP113 family of single supply operational amplifiers fea-  
tures both low noise and drift. It has been designed for sys-  
tems with internal calibration. Often these processor-based  
systems are capable of calibrating corrections for offset and  
gain, but they cannot correct for temperature drifts and noise.  
Optimized for these parameters, the OP113 family can be used  
to take advantage of superior analog performance combined  
with digital correction. Many systems using internal calibration  
operate from unipolar supplies, usually either +5 volts or +12  
volts. T he OP113 family is designed to operate from single  
supplies from +4 volts to +36 volts, and to maintain its low  
noise and precision performance.  
OP213  
14-Lead P lastic D IP  
16-Lead Wide-Body SO  
1
16  
OUT A  
–IN A  
+IN A  
V+  
OUT D  
–IN D  
+IN D  
OUT A  
–IN A  
+IN A  
V+  
1
2
3
4
OUT D  
–IN D  
14  
13  
V–  
12 +IN D  
OP413  
+IN C  
+IN B  
–IN B  
OUT B  
NC  
OP413  
V–  
11  
10  
9
–IN C  
T he OP113 family is unity gain stable and has a typical gain  
bandwidth product of 3.4 MHz. Slew rate is in excess of 1 V/µs.  
Noise density is a very low 4.7 nV/Hz, and noise in the 0.1 Hz  
to 10 Hz band is 120 nV p-p. Input offset voltage is guaranteed  
and offset drift is guaranteed to be less than 0.8 µV/°C. Input  
common-mode range includes the negative supply and to within  
1 volt of the positive supply over the full supply range. Phase  
reversal protection is designed into the OP113 family for cases  
where input voltage range is exceeded. Output voltage swings  
also include the negative supply and go to within 1 volt of the  
positive rail. T he output is capable of sinking and sourcing  
current throughout its range and is specified with 600 loads.  
+IN B  
–IN B  
OUT B  
+IN C  
–IN C  
OUT C  
5
6
OUT C  
NC  
8
9
NC = NO CONNECT  
7
8
D/A sigma-delta converters. Often these converters have high  
resolutions requiring the lowest noise amplifier to utilize their  
full potential. Many of these converters operate in either single  
supply or low supply voltage systems, and attaining the greater  
signal swing possible increases system performance.  
T he OP113 family is specified for single +5 volt and dual ±15  
volt operation over the XIND—extended industrial (–40°C to  
+85°C) temperature range. T hey are available in plastic and  
SOIC surface mount packages.  
Digital scales and other strain gage applications benefit from the  
very low noise and low drift of the OP113 family. Other appli-  
cations include use as a buffer or amplifier for both A/D and  
REV. C  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 781/ 329-4700  
Fax: 781/ 326-8703  
World Wide Web Site: http:/ / w w w .analog.com  
© Analog Devices, Inc., 1998  

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