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HCPL-7840#300 PDF预览

HCPL-7840#300

更新时间: 2024-11-04 20:31:15
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 244K
描述
Isolation Amplifier, 1 Func, 3750V Isolation-Min, 100MHz Band Width, CMOS, PDSO8, SMT-8

HCPL-7840#300 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP8,.4
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.06Is Samacsys:N
放大器类型:ISOLATION AMPLIFIER标称带宽 (3dB):100 MHz
最大共模电压:2.8 V最小绝缘电压:3750 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:9.8 mm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:SOP8,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5 V
认证状态:Not Qualified座面最大高度:4.455 mm
子类别:Isolation Amplifier供电电压上限:5.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:2.54 mm端子位置:DUAL
最大电压增益:8.4最小电压增益:7.6
宽度:6.35 mmBase Number Matches:1

HCPL-7840#300 数据手册

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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 (pending), VDE  
0884 (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  
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  
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  
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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Isolation Amplifi er