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HCPL-7820 PDF预览

HCPL-7820

更新时间: 2024-11-04 11:03:47
品牌 Logo 应用领域
惠普 - HP 隔离放大器光电二极管分离技术隔离技术
页数 文件大小 规格书
15页 229K
描述
High CMR Analog Isolation Amplifiers

HCPL-7820 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.59
Is Samacsys:N放大器类型:ISOLATION AMPLIFIER
标称带宽 (3dB):200 MHz最大共模电压:3750 V
最小绝缘电压:3750 VJESD-30 代码:R-PDIP-T8
JESD-609代码:e0功能数量:1
端子数量:8最高工作温度:100 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
供电电压上限:5.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE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:8.4
最小电压增益:7.6Base Number Matches:1

HCPL-7820 数据手册

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H
High CMR Analog Isolation  
Amplifiers  
Technical Data  
HCPL-7820  
HCPL-7825  
Features  
Applications  
• Motor Phase and Rail  
Current Sensing  
• General Purpose Current  
Sensing and Monitoring  
• High-Voltage Monitoring  
• Switched Mode Power  
Supply Signal Isolation  
• General Purpose Analog  
Signal Isolation  
rejection makes this product  
suitable for noisy electrical  
• Fast Propagation Delays for  
Over-Current and Fault  
Detection Sensing  
• High Common Mode  
Rejection (CMR): 30 kV/µs at  
VCM = 1000 V*  
• 3% Gain Tolerance:  
HCPL-7820  
5% Gain Tolerance:  
HCPL-7825  
environments, such as those  
generated by the high switching  
rates of power IGBTs. Low offset  
voltage together with low offset  
change vs. temperature permits  
accurate use of auto-calibration  
techniques. Tight gain tolerance  
with good nonlinearity further  
provide the characteristics needed  
to insure highly accurate motor  
speed control. A high operating  
temperature range with specified  
performance parameters allow  
• Transducer Isolation  
• 0.05% Nonlinearity  
• Low Offset Voltage and Off-  
set Drift vs. Temperature  
Description  
The HCPL-7820/7825 high CMR  
isolation amplifier consists of a  
sigma-delta analog-to-digital  
converter optically coupled to an  
integrated output digital-to-analog  
converter. When used with a  
• 200 kHz Bandwidth  
• Performance Specified for  
Common Motor Control  
Applications over -40°C to  
100°C Temperature Range  
Functional Diagram  
• Worldwide Safety and  
Regulatory Approval: UL  
1577 (3750 V rms/1 Min),  
VDE 0884 and CSA  
• Compact Auto-Insertable  
Standard 8-Pin DIP Package  
• Advanced Sigma-Delta (Σ)  
A/D Converter Technology  
• 1 µm CMOS IC Technology  
shunt resistor in the current path,  
the HCPL-7820/7825 provides a  
cost-effective, auto-insertion  
compatible current sense solution.  
Fast propagation delays allow this  
part to be used in either motor  
drive or inverter applications for  
either phase current monitoring  
or rail current fault detection  
applications. High isolation mode  
I
I
DD2  
DD1  
1
2
3
4
8
7
6
5
V
V
V
V
DD1  
DD2  
V
+
+
IN+  
IN–  
OUT+  
OUT–  
V
GND1  
GND2  
CMR SHIELD  
A 0.1 µF bypass capacitor must be connected between pins 1 and 4 and between pins 5 and 8.  
*The terms common-mode rejection (CMR) and isolation-mode rejection (IMR) are used interchangeably throughout this data sheet.  
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.  
5965-3591E  
1-233  

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