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THS4281D

更新时间： 2024-09-29 08:49:03
品牌 Logo 应用领域
德州仪器 - TI 运算放大器放大器电路光电二极管输出元件输入元件
页数 文件大小 规格书
31页 1135K
描述
VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

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THS4281D 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：1.64
Is Samacsys：N放大器类型：OPERATIONAL AMPLIFIER
架构：VOLTAGE-FEEDBACK最大平均偏置电流 (IIB)：1 µA
标称带宽 (3dB)：3.8 MHz25C 时的最大偏置电流 (IIB)：0.8 µA
最小共模抑制比：90 dB标称共模抑制比：107 dB
频率补偿：yeS最大输入失调电流 (IIO)：0.4 µA
最大输入失调电压：2500 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.905 mm
低-偏置：NO低-失调：NO
微功率：NO湿度敏感等级：1
负供电电压上限：-8.25 V标称负供电电压 (Vsup)：-5 V
功能数量：1端子数量：8
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
包装方法：TUBE峰值回流温度（摄氏度）：260
功率：NO可编程功率：NO
认证状态：Not Qualified座面最大高度：1.75 mm
标称压摆率：35 V/us子类别：Operational Amplifier
最大压摆率：0.93 mA供电电压上限：8.25 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
标称均一增益带宽：95000 kHz最小电压增益：17783
宽带：NO宽度：3.895 mm
Base Number Matches：1

THS4281D 数据手册

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THS4281  
www.ti.com  
SLOS432–APRIL 2004  
VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT  
VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER  
FEATURES  
DESCRIPTION  
•
Very Low Quiescent Current: 750 µA (at 5 V)  
Fabricated using the BiCom-II process, the THS4281  
is a low-power, rail-to-rail input and output volt-  
age-feedback operational amplifier designed to  
operate over a wide power supply range of 2.7-V to  
15-V single supply, and ±1.35-V to ±7.5-V dual  
supply. Consuming only 750 µA with a unity gain  
bandwidth of 90 MHz and a high 35-V/µs slew rate,  
the THS4281 allows portable or other power-sensitive  
applications to realize high performance with minimal  
power. To ensure long battery life in portable appli-  
cations, the quiescent current is trimmed to be less  
than 900 µA at 25°C, and 1 mA from –40°C to 85°C.  
•
Rail-to-Rail Input and Output:  
– Common-Mode Input Voltage Extends  
400 mV Beyond the Rails  
– Output Swings Within 150 mV From the  
Rails  
•
Wide -3 dB Bandwidth at 5 V:  
– 90-MHz @ Gain = +1, 40 MHz @ Gain = +2  
High Slew Rate: 35 V/µs  
•
•
Fast Settling Time (2-V Step):  
– 78 ns to 0.1%  
The THS4281 is a true single-supply amplifier with a  
specified common-mode input range of 400 mV  
beyond the rails. This allows for high-side current  
sensing applications without phase reversal con-  
cerns. Its output swings to within 40 mV from the rails  
with 10-kΩ loads, and 150 mV from the rails with  
1-kΩ loads.  
– 150 ns to 0.01%  
•
Low Distortion @ Gain = +2, VO = 2-Vpp, 5 V:  
– -91 dBc at 100 kHz, -67 dBc at 1 MHz  
Input Offset Voltage: 2.5 mV (Max at 25°C)  
Output Current >30 mA (10-Ω Load, 5 V)  
Low Voltage Noise of 12.5 nV/√Hz  
Supply Voltages: +2.7 V, 3 V, +5 V, ±5 V, +15 V  
Packages: SOT-23, MSOP, and SOIC  
•
•
•
•
•
The THS4281 has a good 0.1% settling time of 78 ns,  
and 0.01% settling time of 150 ns. The low THD of  
-87 dBc at 100 kHz, coupled with a maximum offset  
voltage of less than 2.5 mV, makes the THS4281 a  
good match for high-resolution ADCs sampling less  
than 2 MSPS.  
APPLICATIONS  
•
•
•
•
•
Portable/Battery-Powered Applications  
High Channel Count Systems  
ADC Buffer  
Active Filters  
Current Sensing  
The THS4281 is offered in a space-saving SOT-23-5  
package, a small MSOP-8 package, and the industry  
standard SOIC-8 package.  
470 pF  
V
BAT  
500 W  
2.5 kW  
V
= I  
RSENSE  
OUT  
I
RSENSE  
V
BAT  
V
BAT  
W
0.2  
100W  
−
500 W  
+IN  
ADS8320  
−IN  
+
THS4281  
10 nF  
Load  
470 pF  
2.5 kW  
V
BAT/2  
High-Side, Low Power Current-Sensing System  
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.  
FilterPro is a trademark of Texas Instruments.  
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 © 2004, Texas Instruments Incorporated  
1234567...31

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THS4281D 替代型号

型号 品牌 替代类型 描述 数据表
THS4281DR TI

类似代替

 VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DRG4 TI

类似代替

 VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DBVRG4 TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DBVT TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DBVTG4 TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DGK TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DGKG4 TI

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 		Very Low-Power High Speed Rail-To-Rail Input/Output Voltage Feedback Operational Amplifier
THS4281DGKR TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DGKRG4 TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DR TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP
THS4281DRG4 TI

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 		VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMP

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