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OPA827A

更新时间： 2024-10-02 04:11:43
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8页 234K
描述
Low-Noise, High-Precision, JFET-Input, OPERATIONAL AMPLIFIER

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OPA827A 数据手册

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OPA827  
OPA2827  
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SBOS376C–NOVEMBER 2006–REVISED AUGUST 2007  
Low-Noise, High-Precision, JFET-Input,  
OPERATIONAL AMPLIFIER  
FEATURES  
DESCRIPTION  
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OFFSET: 250μV (max)  
The OPA827 series of JFET operational amplifiers  
combines outstanding dc precision with excellent ac  
performance. It offers 100μV of offset, very low drift  
(1μV/°C) over temperature, low bias currents, and  
very low flicker noise of 400nVPP (0.1Hz to 10Hz). It  
operates over a very wide supply voltage range of  
±4V to ±18V on a low 4.5mA supply current. A dual  
version is also available for the OPA827 family.  
DRIFT: 1μV/°C  
LOW NOISE: 4.5nV/√Hz at 1kHz  
BANDWIDTH: 18MHz  
SLEW RATE: 22V/μs  
BIAS CURRENT: 3pA  
QUIESCENT CURRENT: 4.5mA/Ch  
WIDE SUPPLY RANGE: ±4V to ±18V  
SINGLE PACKAGES: MSOP-8, SO-8  
DUAL PACKAGES: SO-8 PowerPAD  
Excellent ac characteristics, such as 18MHz gain  
bandwidth (GBW) and 22V/μs slew rate, and  
precision dc characteristics make the OPA827 series  
well-suited for a wide range of applications such as  
16-  
to  
18-bit  
data  
acquisition  
systems,  
transimpedance (I/V-conversion) amplifiers, filters,  
precision ±10V front ends, and professional audio  
applications.  
APPLICATIONS  
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PRECISION ±10V INPUT FRONT-ENDS  
TRANSIMPEDANCE AMPLIFIERS  
INTEGRATORS  
The single version (OPA827) is available in both  
MSOP-8 and standard SO-8 surface-mount  
packages. The dual version (OPA2827) is available  
in the SO-8 PowerPAD for increased power  
dissipation capability. All versions are specified from  
–40°C to +125°C.  
ACTIVE FILTERS  
A/D CONVERTER DRIVERS  
DAC OUTPUT BUFFERS  
HIGH-PERFORMANCE AUDIO  
PROCESS CONTROL  
TEST EQUIPMENT  
MEDICAL EQUIPMENT  
+15V  
2.2mF  
100nF  
100pF  
ADS8505  
500W  
200W  
VIN  
500W  
REF  
VIN  
33.2kW  
100pF  
OPA827  
2.2mF  
AGND1  
CAP  
2.2mF  
100nF  
2.2mF  
DGND  
AGND2  
-15V  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2006–2007, Texas Instruments Incorporated  
12345678

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