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AD8428ARZ PDF预览

AD8428ARZ

更新时间: 2024-02-26 17:19:22
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 348K
描述
Low Noise, Low Gain Drift, G = 2000

AD8428ARZ 技术参数

生命周期:Active包装说明:DIE,
Reach Compliance Code:compliant风险等级:5.76
放大器类型:INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB):0.2 µA
标称带宽 (3dB):3.5 MHz最小共模抑制比:130 dB
最大输入失调电流 (IIO):0.05 µA最大输入失调电压:100 µV
JESD-30 代码:R-XUUC-N8长度:2.89 mm
负供电电压上限:-18 V标称负供电电压 (Vsup):-15 V
最大非线性:0.0005%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:UNSPECIFIED
封装代码:DIE封装形状:RECTANGULAR
封装形式:UNCASED CHIP座面最大高度:0.3048 mm
标称压摆率:50 V/us子类别:Instrumentation Amplifier
供电电压上限:18 V标称供电电压 (Vsup):15 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:NO LEAD端子位置:UPPER
标称电压增益:2000宽度:1.755 mm
Base Number Matches:1

AD8428ARZ 数据手册

 浏览型号AD8428ARZ的Datasheet PDF文件第14页浏览型号AD8428ARZ的Datasheet PDF文件第15页浏览型号AD8428ARZ的Datasheet PDF文件第16页浏览型号AD8428ARZ的Datasheet PDF文件第18页浏览型号AD8428ARZ的Datasheet PDF文件第19页浏览型号AD8428ARZ的Datasheet PDF文件第20页 
Data Sheet  
AD8428  
Voltage Noise of the Instrumentation Amplifier  
Total Noise Density Calculation  
Unlike other instrumentation amplifiers in which an external  
resistor is used to set the gain, the voltage noise specification  
of the AD8428 already includes the input noise, output noise,  
and the RG resistor noise.  
To determine the total noise of the in-amp, referred to input,  
combine the source resistance noise, voltage noise, and current  
noise contribution by the sum of squares method.  
For example, if the R1 source resistance in Figure 45 is 4 kΩ  
and the R2 source resistance is 1 kΩ, the total noise, referred  
to input, is  
Current Noise of the Instrumentation Amplifier  
The contribution of current noise to the input stage in nV/√Hz  
is calculated by multiplying the source resistance in kΩ by the  
specified current noise of the instrumentation amplifier in  
pA/√Hz.  
8.92 +1.52 + 6.22 = 11.0 nV/ Hz  
For example, if the R1 source resistance in Figure 45 is 4 kΩ  
and the R2 source resistance is 1 kΩ, the total effect from the  
current noise is calculated as follows:  
2
2
(
4 × 1.5  
)
+
(
1 × 1.5  
)
=
36 + 2.25 = 6.2 nV/ Hz  
Rev. A | Page 17 of 20  

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