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OPA3681U

更新时间： 2024-11-22 22:50:51
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BB 运算放大器放大器电路光电二极管
页数 文件大小 规格书
21页 235K
描述
Triple Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable

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中文翻译

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OPA3681U 技术参数

生命周期：Transferred包装说明：SO-16
Reach Compliance Code：unknown风险等级：5.76
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 µVJESD-30 代码：R-PDSO-G16
负供电电压上限：-6.5 V标称负供电电压 (Vsup)：-5 V
功能数量：3端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
标称压摆率：2100 V/us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端子位置：DUAL
标称均一增益带宽：280000 kHz宽度：3.9 mm
Base Number Matches：1

OPA3681U 数据手册

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®
OPA3681  
OPA3681  
OPA3681  
For most current data sheet and other product  
information, visit www.burr-brown.com  
TM  
Triple Wideband, Current-Feedback  
OPERATIONAL AMPLIFIER With Disable  
DESCRIPTION  
FEATURES  
The OPA3681 sets a new level of performance for broadband  
triple current-feedback op amps. Operating on a very low  
6mA/ch supply current, the OPA3681 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 distor-  
tion. This gives exceptional single-supply operation. Using a  
single +5V supply, the OPA3681 can deliver a 1V to 4V output  
swing with over 100mA drive current and 150MHz bandwidth.  
This combination of features makes the OPA3681 an ideal RGB  
line driver or single-supply ADC input driver.  
●
●
WIDEBAND +5V OPERATION: 225MHz (G = +2)  
UNITY GAIN STABLE: 280MHz (G = 1)  
● HIGH OUTPUT CURRENT: 150mA  
● OUTPUT VOLTAGE SWING: ±4.0V  
● HIGH SLEW RATE: 2100V/µs  
● LOW SUPPLY CURRENT: 6mA/ch  
● LOW DISABLED CURRENT: 300µA/ch  
● IMPROVED HIGH FREQUENCY PINOUT  
The OPA3681’s low 6mA/ch supply current is precisely trimmed  
at 25°C. This trim, along with low drift over temperature,  
guarantees lower guaranteed maximum supply current than  
competing products. System power may be further reduced by  
using the optional disable control pin. Leaving this disable pin  
open, or holding it high, gives normal operation. If pulled low,  
the OPA3681 supply current drops to less than 300µA/ch while  
the output goes into a high impedance state. This feature may be  
used for power savings or for video MUX applications.  
APPLICATIONS  
● RGB AMPLIFIERS  
● WIDEBAND INA  
● BROADBAND VIDEO BUFFERS  
● HIGH SPEED IMAGING CHANNELS  
● PORTABLE INSTRUMENTS  
● ADC BUFFERS  
● ACTIVE FILTERS  
● CABLE DRIVERS  
OPA3681 RELATED PRODUCTS  
SINGLES  
DUALS  
TRIPLES  
Voltage Feedback  
Current Feedback  
Fixed Gain  
OPA680  
OPA681  
OPA682  
OPA2680  
OPA2681  
OPA2682  
OPA3680  
OPA3681  
OPA3682  
+5  
V1  
1/3  
OPA3681  
DIFFERENTIAL TO SINGLE-ENDED  
FREQUENCY RESPONSE  
250Ω  
26  
23  
20  
17  
14  
11  
8
+5  
–5  
301Ω  
10 (V1 – V2)  
1/3  
OPA3681  
250Ω  
f–3dB  
66.5Ω  
301Ω  
–5  
499Ω  
+5  
499Ω  
1/3  
OPA3681  
V2  
5
0.1M  
High Speed INA (>120MHz)  
1M  
10M  
100M  
1G  
–5  
Frequency (Hz)  
International Airport Industrial Park  
•
Mailing Address: PO Box 11400, Tucson, AZ 85734  
•
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
• Tel: (520) 746-1111  
Twx: 910-952-1111 Internet: http://www.burr-brown.com/  
•
•
Cable: BBRCORP Telex: 066-6491  
•
•
FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132  
•
©1999Burr-BrownCorporation  
PDS-1452B  
Printed in U.S.A. September, 1999  
1234567...21

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