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OPA2681N-1

更新时间： 2024-11-29 19:59:07
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管
页数 文件大小 规格书
22页 367K
描述
SpeedPlus(TM) Wideband, Current Feedback Operational Amplifier with Disable 14-SOIC

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中文翻译

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OPA2681N-1 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：SOIC包装说明：SOIC-14
针数：14Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.72放大器类型：OPERATIONAL AMPLIFIER
标称共模抑制比：52 dB最大输入失调电压：7500 µV
JESD-30 代码：R-PDSO-G14长度：8.65 mm
负供电电压上限：-6.5 V标称负供电电压 (Vsup)：-5 V
功能数量：2端子数量：14
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：1.75 mm
标称压摆率：2100 V/us子类别：Operational Amplifier
供电电压上限：6.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BIPOLAR
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
标称均一增益带宽：280000 kHz宽度：3.9 mm
Base Number Matches：1

OPA2681N-1 数据手册

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OPA2681  
OPA2681  
OPA2681  
www.ti.com  
TM  
Dual Wideband, Current Feedback  
OPERATIONAL AMPLIFIER With Disable  
FEATURES  
APPLICATIONS  
●
WIDEBAND +5V OPERATION: 225MHz (G = +2)  
● xDSL LINE DRIVER  
●
UNITY GAIN STABLE: 280MHz (G = 1)  
● MATCHED I/Q CHANNEL AMPLIFIER  
● BROADBAND VIDEO BUFFERS  
● HIGH SPEED IMAGING CHANNELS  
● PORTABLE INSTRUMENTS  
● DIFFERENTIAL ADC DRIVERS  
● ACTIVE FILTERS  
● HIGH OUTPUT CURRENT: 150mA  
● OUTPUT VOLTAGE SWING: ±4.0V  
● HIGH SLEW RATE: 2100V/µs  
● LOW SUPPLY CURRENT: 6mA/ch  
● LOW DISABLED CURRENT: 200µA/ch  
● ENABLE/DISABLE TIME: 25ns/100ns  
● WIDEBAND INVERTING SUMMING  
DESCRIPTION  
The OPA2681 sets a new level of performance for broadband dual  
current feedback op amps. Operating on a very low 6mA/ch  
supply current, the OPA2681 offers a slew rate and output power  
normally associated with a much higher supply current. A new  
output stage architecture delivers a high output current with  
minimal voltage headroom and crossover distortion. This gives  
exceptional single supply operation. Using a single +5V supply,  
the OPA2681 can deliver a 1V to 4V output swing with over  
100mA drive current and 150MHz bandwidth. This combination  
of features makes the OPA2681 an ideal RGB line driver or single  
supply ADC input driver.  
The OPA2681’s low 6mA/ch supply current is precisely trimmed  
at 25°C. This trim, along with low drift over temperature, guaran-  
tees lower guaranteed maximum supply current than competing  
products. System power may be further reduced by using the  
optional disable control pin (SO-14 only). Leaving this disable  
pin open, or holding it high, gives normal operation. If pulled low,  
the OPA2681 supply current drops to less than 400µA while the  
output goes into a high impedance state. This feature may be used  
for either power savings or for video MUX applications.  
OPA2681 RELATED PRODUCTS  
+12V  
SINGLES  
DUALS  
TRIPLES  
Voltage Feedback  
Current Feedback  
Fixed Gain  
OPA680  
OPA681  
OPA682  
OPA2680  
OPA2681  
OPA2682  
OPA3680  
OPA3681  
OPA3682  
1/2  
OPA2681  
12.4Ω  
12.4Ω  
324Ω  
1:2  
1µF  
2kΩ  
2kΩ  
+6.5V  
100Ω  
2Vp-p  
15Vp-p  
100Ω  
324Ω  
1/2  
OPA2681  
Single Supply ADSL Upstream Driver  
Copyright © 1997, Texas Instruments Incorporated  
SBOS091A  
Printed in U.S.A. January, 2001  
1234567...22

中文翻译

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 		SpeedPlus(TM) Dual, Wideband, Fixed Gain Buffer Amplifier With Disable 14-SOIC -40 to 85
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