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INA111AU/1KG4 PDF预览

INA111AU/1KG4

更新时间： 2024-01-25 14:34:36
品牌 Logo 应用领域
BB 仪表放大器光电二极管
页数 文件大小 规格书
14页 242K
描述
High Speed FET-Input INSTRUMENTATION AMPLIFIER

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INA111AU/1KG4 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-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：6 weeks
风险等级：5.13Is Samacsys：N
放大器类型：INSTRUMENTATION AMPLIFIER最大平均偏置电流 (IIB)：0.00002 µA
标称带宽 (3dB)：2 MHz最小共模抑制比：75 dB
最大输入失调电流 (IIO)：0.00001 µA最大输入失调电压：6000 µV
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：10.3 mm湿度敏感等级：3
负供电电压上限：-18 V标称负供电电压 (Vsup)：-15 V
最大非线性：0.04%功能数量：1
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
封装代码：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TR峰值回流温度（摄氏度）：260
电源：+-15 V认证状态：Not Qualified
座面最大高度：2.65 mm标称压摆率：17 V/us
子类别：Instrumentation Amplifier最大压摆率：4.5 mA
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最大电压增益：10000
最小电压增益：1标称电压增益：10
宽度：7.5 mmBase Number Matches：1

INA111AU/1KG4 数据手册

 浏览型号INA111AU/1KG4的Datasheet PDF文件第6页浏览型号INA111AU/1KG4的Datasheet PDF文件第7页浏览型号INA111AU/1KG4的Datasheet PDF文件第8页浏览型号INA111AU/1KG4的Datasheet PDF文件第10页浏览型号INA111AU/1KG4的Datasheet PDF文件第11页浏览型号INA111AU/1KG4的Datasheet PDF文件第12页 
A combination of common-mode and differential input  
voltage can cause the output of A1 or A2 to saturate. Figure  
4 shows the output voltage swing of A1 and A2 expressed in  
terms of a common-mode and differential input voltages.  
For applications where input common-mode range must be  
maximized, limit the output voltage swing by connecting the  
INA111 in a lower gain (see performance curve “Input  
Common-Mode Voltage Range vs Output Voltage”). If  
necessary, add gain after the INA111 to increase the voltage  
swing.  
the 1N4148 may have leakage currents far greater than the  
input bias current of the INA111 and are usually sensitive to  
light.  
INPUT FILTERING  
The INA111’s FET input allows use of an R/C input filter  
without creating large offsets due to input bias current.  
Figure 6 shows proper implementation of this input filter to  
preserve the INA111’s excellent high frequency common-  
mode rejection. Mismatch of the common-mode input ca-  
pacitance (C1 and C2), either from stray capacitance or  
Input-overload often produces an output voltage that appears  
normal. For example, consider an input voltage of +14V on  
one input and +15V on the other input will obviously exceed  
the linear common-mode range of both input amplifiers.  
Since both input amplifiers are saturated to the nearly the  
same output voltage limit, the difference voltage measured  
by the output amplifier will be near zero. The output of the  
INA111 will be near 0V even though both inputs are  
overloaded.  
V+  
D1  
D2  
VI–N  
R1  
R2  
VO  
INA111  
RG  
INPUT PROTECTION  
VI+N  
Inputs of the INA111 are protected for input voltages from  
0.7V below the negative supply to 15V above the positive  
power supply voltages. If the input current is limited to less  
than 1mA, clamp diodes are not required; internal junctions  
will clamp the input voltage to safe levels. If the input source  
can supply more than 1mA, use external clamp diodes as  
shown in Figure 5. The source current can be limited with  
series resistors R1 and R2 as shown. Resistor values greater  
than 10kΩ will contribute noise to the circuit.  
D3  
D4  
V+  
2N4117A  
1pA Leakage  
=
Diodes:  
A diode formed with a 2N4117A transistor as shown in  
Figure 5 assures low leakage. Common signal diodes such as  
FIGURE 5. Input Protection Voltage Clamp.  
V+  
G • VD  
VCM  
–
2
INA111  
A1  
10kΩ  
10kΩ  
VD  
50kΩ  
RG  
G = 1 +  
2
25kΩ  
25kΩ  
A3  
VO = G • VD  
RG  
VD  
2
A2  
10kΩ  
10kΩ  
VCM  
G • VD  
2
VCM  
+
V–  
FIGURE 4. Voltage Swing of A1 and A2.  
®
9
INA111  
1...6789101112...14

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