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HCPL-7840-360E PDF预览

HCPL-7840-360E

更新时间: 2024-11-04 21:21:11
品牌 Logo 应用领域
安捷伦 - AGILENT 放大器分离技术隔离技术光电二极管
页数 文件大小 规格书
19页 431K
描述
Isolation Amplifier, 1 Func, CMOS, PDSO8,

HCPL-7840-360E 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:SOP, GWDIP8,.4Reach Compliance Code:unknown
风险等级:5.8放大器类型:ISOLATION AMPLIFIER
JESD-30 代码:R-PDSO-G8湿度敏感等级:1
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
封装等效代码:GWDIP8,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5 V
认证状态:Not Qualified子类别:Isolation Amplifiers
最大压摆率:15.5 mA标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:2.54 mm端子位置:DUAL
Base Number Matches:1

HCPL-7840-360E 数据手册

 浏览型号HCPL-7840-360E的Datasheet PDF文件第2页浏览型号HCPL-7840-360E的Datasheet PDF文件第3页浏览型号HCPL-7840-360E的Datasheet PDF文件第4页浏览型号HCPL-7840-360E的Datasheet PDF文件第5页浏览型号HCPL-7840-360E的Datasheet PDF文件第6页浏览型号HCPL-7840-360E的Datasheet PDF文件第7页 
Isolation Amplifier  
Technical Data  
HCPL-7840  
Features  
• 15 kV/µs Common-Mode  
Rejection at VCM = 1000 V  
• Compact, Auto-Insertable  
Standard 8-pin DIP Package  
• 0.00025 V/V/°C Gain Drift vs.  
Temperature  
• 0.3 mV Input Offset Voltage  
• 100 kHz Bandwidth  
• 0.004% Nonlinearity  
• Worldwide Safety Approval:  
UL 1577 (3750 Vrms/1 min.)  
and CSA, IEC/EN/DIN EN  
60747-5-2 (Option #060  
only)  
• Advanced Sigma-Delta (Σ−)  
A/D Converter Technology  
• Fully Differential Circuit  
Topology  
• 0.8 µm CMOS IC Technology  
Description  
ments, providing for smoother  
control (less “torque ripple”) in  
various types of motor control  
applications.  
The HCPL-7840 isolation amplifier  
family was designed for current  
sensing in electronic motor drives.  
In a typical implementation, motor  
currents flow through an external  
resistor and the resulting analog  
voltage drop is sensed by the  
HCPL-7840. A differential output  
voltage is created on the other  
side of the HCPL-7840 optical  
isolation barrier. This differential  
output voltage is proportional to  
the motor current and can be con-  
verted to a single-ended signal by  
using an op-amp as shown in the  
recommended application circuit.  
Since common-mode voltage  
swings of several hundred volts in  
tens of nanoseconds are common  
in modern switching inverter  
motor drives, the HCPL-7840  
was designed to ignore very high  
common-mode transient slew  
rates (of at least 10 kV/µs).  
Functional Diagram  
I
I
DD2  
DD1  
V
8
7
V
V
DD1  
1
2
DD2  
V
+
IN+  
OUT+  
+
V
3
4
IN–  
6
5
V
OUT–  
GND1  
GND2  
SHIELD  
The product can also be used for  
general analog signal isolation  
applications requiring high  
accuracy, stability, and linearity  
under similarly severe noise con-  
ditions. For general applications,  
we recommend the HCPL-7840  
(gain tolerance of 5%). The  
HCPL-7840 utilizes sigma delta  
(-) analog-to-digital converter  
technology, chopper stabilized  
amplifiers, and a fully differential  
circuit topology fabricated using  
Applications  
• Motor Phase and Rail  
Current Sensing  
• Inverter Current Sensing  
• Switched Mode Power  
Supply Signal Isolation  
• General Purpose Current  
Sensing and Monitoring  
• General Purpose Analog  
Signal Isolation  
The high CMR capability of the  
HCPL-7840 isolation amplifier  
provides the precision and  
stability needed to accurately  
monitor motor current in high  
noise motor control environ-  
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to  
prevent damage and/or degradation which may be induced by ESD.  

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