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OPA2991IDSGR

更新时间： 2024-11-05 11:07:51
品牌 Logo 应用领域
德州仪器 - TI 放大器运算放大器
页数 文件大小 规格书
77页 5877K
描述
双路、40V、4.5MHz、低功耗运算放大器 | DSG | 8 | -40 to 125

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OPA2991IDSGR 数据手册

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OPA991, OPA2991, OPA4991  
SBOS969E – OCTOBER 2019 – REVISED MAY 2021  
OPAx991 40-V Rail-to-Rail Input/Output, Low Offset Voltage, Low Noise Op Amp  
1 Features  
3 Description  
•
•
•
•
•
•
•
•
•
•
Low offset voltage: ±125 µV  
The OPAx991 family (OPA991, OPA2991, and  
OPA4991) is a family of high voltage (40-V) general  
purpose operational amplifiers. These devices offer  
exceptional DC precision and AC performance,  
including rail-to-rail input/output, low offset (±125 µV,  
typ), low offset drift (±0.3 µV/°C, typ), low noise (10.5  
nV/√ Hz and 1.8 µVPP), and 4.5-MHz bandwidth.  
Low offset voltage drift: ±0.3 µV/°C  
Low noise: 10.8 nV/√ Hz at 1 kHz  
High common-mode rejection: 130 dB  
Low bias current: ±10 pA  
Rail-to-rail input and output  
Wide bandwidth: 4.5 MHz GBW  
High slew rate: 21 V/µs  
High capacitive load drive: 1 nF  
MUX-friendly/comparator inputs  
– Amplifier operates with differential inputs up to  
supply rail  
– Amplifier can be used in open-loop or as  
comparator  
Low quiescent current: 560 µA per amplifier  
Wide supply: ±1.35 V to ±20 V, 2.7 V to 40 V  
Robust EMIRR performance: EMI/RFI filters on  
input and supply pins  
Differential and common-mode input voltage range  
to supply rail  
Unique features such as differential and common-  
mode input-voltage range to the supply rail, high  
output current (±75 mA), high slew rate (21 V/µs),  
high capacitive load drive (1 nF), and shutdown  
functionality make the OPAx991 a robust, high-  
performance operational amplifier for high-voltage  
industrial applications.  
•
•
•
The OPAx991 family of op amps is available in  
micro-size packages (such as X2QFN, WSON, and  
SOT-553), as well as standard packages (such as  
SOT-23, SOIC, and TSSOP), and is specified from  
–40°C to 125°C.  
•
Device Information  
2 Applications  
PART NUMBER (1)  
PACKAGE  
BODY SIZE (NOM)  
2.90 mm × 1.60 mm  
2.90 mm × 1.60 mm  
2.00 mm × 1.25 mm  
4.90 mm × 3.90 mm  
2.90 mm × 1.60 mm  
3.00 mm × 4.40 mm  
3.00 mm × 3.00 mm  
2.00 mm × 2.00 mm  
2.00 mm × 1.50 mm  
8.65 mm × 3.90 mm  
5.00 mm × 4.40 mm  
3.00 mm × 3.00 mm  
2.00 mm × 2.00 mm  
•
•
•
•
•
•
•
Low-power audio preamplifier  
Multiplexed data-acquisition systems  
Test and measurement equipment  
ADC driver amplifiers  
SAR ADC reference buffers  
Programmable logic controllers  
High-side and low-side current sensing  
SOT-23 (5)  
OPA991  
SOT-23 (6)  
SC70 (5)  
SOIC (8)  
SOT-23-8 (8)  
TSSOP (8)  
VSSOP (8)  
WSON (8)  
X2QFN (10)  
SOIC (14)  
OPA2991  
OPA4991  
TSSOP (14)  
WQFN (16)(2)  
X2QFN (14)  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
(2) Package is preview only.  
Analog Inputs  
REF3140  
RC Filter  
OPA375  
RC Filter  
Bridge Sensor  
Thermocouple  
Reference Driver  
Gain Network  
Gain Network  
OPA991  
+
MUX509  
REF  
+
OPA991  
VINP  
Gain Network  
Antialiasing  
Filter  
OPA991  
+
ADS8860  
Current Sensing  
Photo  
VINM  
Detector  
LED  
High-Voltage Multiplexed Input  
High-Voltage Level Translation  
VCM  
Optical Sensor  
OPAx991 in a High-Voltage, Multiplexed, Data-Acquisition System  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION  
DATA.  
 
 
 
 
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