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AD8691AUJZ-REEL

更新时间: 2024-11-06 04:02:23
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12页 634K
描述
Low Cost, Low Noise, CMOS Rail-to-Rail Output Operational Amplifiers

AD8691AUJZ-REEL 数据手册

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Low Cost, Low Noise, CMOS Rail-to-Rail  
Output Operational Amplifiers  
AD8691/AD8692/AD8694  
FEATURES  
PIN CONFIGURATIONS  
Offset voltage: 400 µV typ  
AD8691  
OUT  
V–  
1
2
3
5
3
V+  
OUT A  
V–  
1
2
3
5
V+  
Low offset voltage drift: 6 µV/°C max (AD8692/AD8694)  
Very low input bias currents: 1 pA max  
Low noise: 8 nV/Hz  
AD8691  
TOP VIEW  
(Not to Scale)  
+IN  
–IN  
+IN A  
4
–IN  
Low distortion: 0.0006%  
Wide bandwidth: 10 MHz  
Unity-gain stable  
Figure 1. 5-Lead TSOT  
Figure 2. 5-Lead SC70  
Single-supply operation: 2.7 V to 6 V  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
AD8692  
AD8692  
OUT B  
–IN B  
+IN B  
OUT B  
–IN B  
+IN B  
APPLICATIONS  
TOP VIEW  
TOP VIEW  
(Not to Scale)  
(Not to Scale)  
Photodiode amplification  
Battery-powered instrumentation  
Medical instruments  
Multipole filters  
Sensors  
Portable audio devices  
Figure 3. 8-Lead MSOP  
Figure 4. 8-Lead SOIC  
1
OUT A  
– IN A  
+IN A  
V+  
14  
13  
12  
11  
OUT D  
–IN D  
+IN D  
V–  
2
3
4
5
6
7
OUT A  
– IN A  
+IN A  
V+  
1
2
3
4
5
6
7
14 OUT D  
13 –IN D  
12 +IN D  
11 V–  
AD8694  
TOP VIEW  
(Not to Scale)  
AD8694  
TOP VIEW  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
10 +IN C  
+IN B  
–IN B  
OUT B  
10 +IN C  
9
8
–IN C  
9
8
–IN C  
OUT C  
OUT C  
Figure 5. 14-Lead SOIC  
Figure 6. 14-Lead TSSOP  
GENERAL DESCRIPTION  
Applications for these amplifiers include PA controls, laser  
diode control loops, portable and loop-powered instrumentation,  
audio amplification for portable devices, and ASIC input and  
output amplifiers.  
The AD8691, AD8692, and AD8694 are low cost, single, dual,  
and quad rail-to-rail output, single-supply amplifiers featuring  
low offset and input voltages, low current noise, and wide signal  
bandwidth. The combination of low offset, low noise, very low  
input bias currents, and high speed make these amplifiers useful  
in a wide variety of applications. Filters, integrators, photodiode  
amplifiers, and high impedance sensors all benefit from this  
combination of performance features. Audio and other ac  
applications benefit from the wide bandwidth and low  
distortion of these devices.  
The small SC70 and TSOT package options for the AD8691  
allow it to be placed next to sensors, thereby reducing external  
noise pickup.  
The AD8691, AD8692, and AD8694 are specified over the  
extended industrial temperature range of −40°C to +125°C. The  
AD8691 single is available in 5-lead SC70 and TSOT packages.  
The AD8692 dual is available in 8-lead MSOP and narrow SOIC  
surface-mount packages. The AD8694 quad is available in  
14-lead TSSOP and narrow 14-lead SOIC packages.  
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  
registered trademarks 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  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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