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3652

更新时间: 2024-02-07 00:41:06
品牌 Logo 应用领域
德州仪器 - TI 隔离放大器分离技术隔离技术
页数 文件大小 规格书
14页 149K
描述
Optically-Coupled Linear ISOLATION AMPLIFIERS

3652 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:MODULE包装说明:DIP-32
针数:32Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.69Is Samacsys:N
放大器类型:ISOLATION AMPLIFIER最大共模电压:2000 V
最小绝缘电压:2000 VJESD-30 代码:R-MDMA-P32
标称负供电电压 (Vsup):-15 V功能数量:1
端子数量:32最高工作温度:85 °C
最低工作温度:封装主体材料:METAL
封装代码:DIP封装等效代码:DIP32,.9
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
峰值回流温度(摄氏度):NOT SPECIFIED电源:+-8/+-18 V
认证状态:Not Qualified子类别:Isolation Amplifier
标称供电电压 (Vsup):15 V表面贴装:NO
温度等级:OTHER端子形式:PIN/PEG
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 SPECIFIEDBase Number Matches:1

3652 数据手册

 浏览型号3652的Datasheet PDF文件第6页浏览型号3652的Datasheet PDF文件第7页浏览型号3652的Datasheet PDF文件第8页浏览型号3652的Datasheet PDF文件第10页浏览型号3652的Datasheet PDF文件第11页浏览型号3652的Datasheet PDF文件第12页 
RG1  
+IR  
RO  
2
6
V1  
8
9
4
11  
10  
+
A1  
+I  
+0  
–0  
(1)  
23  
RIN  
C
+
RO  
2
V2  
17  
–I  
3
A2  
VOUT  
RG2  
C
1
12  
–IR  
VISO  
106Ω  
VISO  
VOUT = (V1 – V2) +  
IMRR  
RG1 + RG2 + RIN + RO  
NOTE: (1) The offset adjustment circutry and power supply connections  
have been omitted for simplicity. Refer to Figure 5 for details.  
FIGURE 6c. 3652 with Differential Voltage Sources.  
1M  
IB1  
I4  
EOSO  
λ
EOSI  
RG1  
RG2  
I3  
I1  
+
+
A2  
A1  
+
I2  
IB2  
C (Output)  
C (Input)  
Optics  
I1 = I2 = I3 = I4  
FIGURE 7. DC Error Analysis Model for 3650.  
total output error voltage due to offset voltages and bias  
The effects of temperature may be analyzed by replacing the  
offset terms with their corresponding temperature gradient  
terms:  
currents.  
106  
VOUT-TOTAL  
=
[EOSI + (IB1 RGI – IB2 RG2)]+ EOSO (1)  
RG1 + RG2  
VOUT VOUT/T, EOSI EOSI/T, etc.  
Offset current is defined as the difference between the two  
bias currents IB1 and IB2. If IB1 = IB and IB2 = IB +IOSI  
For a complete analysis of the effects of temperature, gain  
variations must also be considered.  
106 IOS  
then, for RG1 = RG2, VOUT – IB =  
2
OUTPUT NOISE  
The total output noise is given by:  
This component of error is not a function of gain and is  
therefore included as a part of EOSO specifications. The  
output errors due to the output stage bias current are also  
included in EOSO. This results in a very simple equation for  
the total error:  
EN (RMS) = (ENIG)2 + (ENO  
)
2
where EN (RMS) = Total output noise  
ENI = RMS noise of the input stage  
ENO = RMS noise of the output stage  
G = 106/(RG1 + RG2  
106 EOSI  
)
VOUT-TOTAL  
=
+ EOSO (for RG1 = RG2).  
(2)  
ENO includes the noise contribution due to the optics and the  
2RG1  
noise currents of the output stage. Errors created by the noise  
current of the input stage are insignificant compared to other  
noise sources and are therefore omitted.  
In summary, it should be noted that equation (2) should be  
used only when RG1 = RG2. When RG1 RG2, equation (1)  
applies.  
®
9
3650/52  

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