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OPA2211-HT PDF预览

OPA2211-HT

更新时间： 2024-11-21 12:06:03
品牌 Logo 应用领域
德州仪器 - TI 运算放大器
页数 文件大小 规格书
21页 434K
描述
1.1 nV/Hz Noise, Low Power, Precision Operational Amplifier

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OPA2211-HT 数据手册

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OPA2211-HT  
www.ti.com  
SBOS684A –AUGUST 2013–REVISED AUGUST 2013  
1.1 nV/√Hz Noise, Low Power, Precision Operational Amplifier  
Check for Samples: OPA2211-HT  
1
FEATURES  
2
•
Low Voltage Noise: 1.1 nV/√Hz at 1 kHz  
APPLICATIONS  
•
Input Voltage Noise:  
80 nVPP (0.1 Hz to 10 Hz)  
•
•
Down-Hole Drilling  
High Temperature Environments  
•
•
•
•
•
•
THD+N: –136dB (G = 1, f = 1 kHz)  
Offset Voltage: 350 μV (max)  
Offset Voltage Drift: 0.35 μV/°C (typ)  
Low Supply Current: 6 mA/Ch (max)  
Unity-Gain Stable  
SUPPORTS EXTREME TEMPERATURE  
APPLICATIONS  
•
•
•
•
Controlled Baseline  
One Assembly/Test Site  
One Fabrication Site  
Gain Bandwidth Product:  
80 MHz (G = 100)  
45 MHz (G = 1)  
Available in Extreme (–55°C/150°C)  
(1)  
Temperature Range  
•
•
•
Slew Rate: 27 V/μs  
•
•
•
•
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
16-Bit Settling: 700 ns  
Wide Supply Range:  
±2.25 V to ±18 V, 4.5 V to 36 V  
Texas Instruments high temperature products  
utilize highly optimized silicon (die) solutions  
with design and process enhancements to  
maximize performance over extended  
temperatures.  
•
•
Rail-to-rail output  
Output current: 30 mA  
(1) Custom temperature ranges available  
DESCRIPTION  
The OPA2211 is a precision operational amplifier that achieves very low 1.1 nV/√Hz noise density with a supply  
current of only 3.6 mA. This device also offers rail-to-rail output swing, which maximizes dynamic range.  
The extremely low voltage and low current noise, high speed, and wide output swing of the OPA2211 make this  
device an excellent choice as a loop filter amplifier in PLL applications.  
In precision data acquisition applications, the OPA2211 provides 700-ns settling time to 16-bit accuracy  
throughout 10-V output swings. This ac performance, combined with only 240-μV of offset and  
0.35-μV/°C of drift over temperature, makes the OPA2211 ideal for driving high-precision 16-bit analog-to-digital  
converters (ADCs) or buffering the output of high-resolution digital-to-analog converters (DACs).  
The OPA2211 is specified over a wide dual-power supply range of ±2.25 V to ±18 V, or for single-supply  
operation from 4.5 V to 36 V.  
This op amp is specified from TJ = –55°C to 150°C.  
1
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.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2013, Texas Instruments Incorporated  
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