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RCV420KPG4

更新时间： 2024-01-17 19:02:13
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
14页 311K
描述
高精度 4mA 至 20mA 电流华路接收器 | N | 16 | 0 to 70

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中文翻译

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RCV420KPG4 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：DIP
包装说明：GREEN, PLASTIC, DIP-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：1.87
放大器类型：INSTRUMENTATION AMPLIFIER最小共模抑制比：70 dB
最大输入失调电压：1000 µVJESD-30 代码：R-PDIP-T16
JESD-609代码：e4长度：19.3 mm
负供电电压上限：-22 V标称负供电电压 (Vsup)：-15 V
最大非线性：0.002%功能数量：1
端子数量：16最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE包装方法：TUBE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：5.08 mm标称压摆率：1.5 V/us
子类别：Instrumentation Amplifier供电电压上限：22 V
标称供电电压 (Vsup)：15 V表面贴装：NO
温度等级：COMMERCIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：6.35 mmBase Number Matches：1

RCV420KPG4 数据手册

 浏览型号RCV420KPG4的Datasheet PDF文件第4页浏览型号RCV420KPG4的Datasheet PDF文件第5页浏览型号RCV420KPG4的Datasheet PDF文件第6页浏览型号RCV420KPG4的Datasheet PDF文件第8页浏览型号RCV420KPG4的Datasheet PDF文件第9页浏览型号RCV420KPG4的Datasheet PDF文件第10页 
overcurrent conditions exceeding these specifications. Refer  
to Figure 6. The simplest and least expensive method is a  
resistor as shown in Figure 6a. The value of the resistor is  
determined from the expression  
V+  
VRX  
RX  
4–20mA  
3
2
1
RX = VCC/40mA – 75Ω  
and the full scale voltage drop is  
VRX = 20mA x RX.  
15  
VO  
RCV420  
14  
For a system operating off of a 32V supply RX = 725Ω and  
VRX = 14.5V. In applications that cannot tolerate such a  
large voltage drop, use circuits 6b or 6c. In circuit 6b a  
power JFET and source resistor are used as a current limit.  
The 200Ω potentiometer, RX, is adjusted to provide a current  
limit of approximately 30mA. This circuit introduces a  
1–4V drop at full scale. If only a very small series voltage  
drop at full scale can be tolerated, then a 0.032A series 217  
fast-acting fuse should be used, as shown in Figure 6c.  
a) RX = (V+)/40mA – 75Ω  
V+  
RX  
2N3970  
200Ω  
4–20mA  
3
2
1
15  
VO  
RCV420  
For automatic fold-back protection, use the circuit shown in  
Figure 15.  
14  
b) RX set for 30mA current limit at 25°C.  
VOLTAGE REFERENCE  
The RCV420 contains a precision 10V reference. Figure 8  
shows the circuit for output voltage adjustment. Trimming  
the output will change the voltage drift by approximately  
0.007ppm/°C per mV of trimmed voltage. Any mismatch in  
TCR between the two sides of the potentiometer will also  
affect drift, but the effect is divided by approximately 5. The  
trim range of the voltage reference using this method is  
typically ±400mV. The voltage reference trim can be used to  
trim offset errors at the output of the RCV420. There is an  
8:1 voltage attenuation from Ref In to Rcv Out, and thus the  
trim range at the output of the receiver is typically ±50mV.  
V+  
f1  
4–20mA  
3
15  
2
VO  
RCV420  
14  
1
c) f1 is 0.032A, Lifflefuse Series 217 fast-acting fuse.  
Request Application Bulletin AB-014 for details of a  
more complete protection circuit.  
The high-frequency noise (to 1MHz) of the voltage refer-  
ence is typically 1mVp-p. When the voltage reference is  
used for level shifting, its noise contribution at the output of  
the receiver is typically 125µVp-p due to the 8:1 attenuation  
from Ref In to Rcv Out. The reference noise can be reduced  
by connecting an external capacitor between the Noise  
Reduction pin and ground. For example, 0.1µF capacitor  
reduces the high-frequency noise to about 200µVp-p at the  
output of the reference and about 25µVp-p at the output of  
the receiver.  
FIGURE 6. Protecting the Sense Resistors.  
1
–In  
15  
14  
2
3
CT  
VO  
RCV420  
11  
+In  
10  
8
VREF  
20kΩ  
±400mV adjustment at output of reference, and ±50mV  
adjustment at output of receiver if reference is used for  
level shifting.  
FIGURE7.OptionalVoltageReferenceExternalTrimCircuit.  
®
7
RCV420  
1...45678910...14

中文翻译

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RCV420KPG4 替代型号

型号 品牌 替代类型 描述 数据表
RCV420KPG4 TI

当前型号

 高精度 4mA 至 20mA 电流华路接收器 | N | 16 | 0 to 70
RCV420KP TI

类似代替

 高精度 4mA 至 20mA 电流华路接收器 | N | 16 | 0 to 70

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