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HCPL-7800B PDF预览

HCPL-7800B

更新时间: 2024-11-04 12:46:23
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
17页 375K
描述
High CMR Isolation Amplifiers

HCPL-7800B 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.56
Is Samacsys:N放大器类型:ISOLATION AMPLIFIER
标称带宽 (3dB):85 MHz最大共模电压:3750 V
最小绝缘电压:3750 VJESD-30 代码:R-PDIP-T8
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封装形状:RECTANGULAR
封装形式:IN-LINE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端子形式:THROUGH-HOLE
端子位置:DUAL最大电压增益:8.15
最小电压增益:7.99Base Number Matches:1

HCPL-7800B 数据手册

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H
High CMR Isolation Amplifiers  
Technical Data  
HCPL-7800  
HCPL-7800A  
HCPL-7800B  
applications, we recommend the  
HCPL-7800 which exhibits a  
part-to-part gain tolerance of  
± 5%. For precision applications,  
HP offers the HCPL-7800A and  
HCPL-7800B, each with part-to-  
part gain tolerances of ± 1%.  
Features  
• 15 kV/µs Common-Mode  
Rejection at VCM = 1000 V*  
• Compact, Auto-Insertable  
Standard 8-pin DIP Package  
• 4.6 µV/°C Offset Drift vs.  
Temperature  
• 0.9 mV Input Offset Voltage  
• 85 kHz Bandwidth  
• 0.1% Nonlinearity  
• Worldwide Safety Approval:  
UL 1577 (3750 V rms/1 min),  
VDE 0884 and CSA  
• Advanced Sigma-Delta(Σ)  
A/D Converter Technology  
• Fully Differential Circuit  
Topology  
• 1 µm CMOS IC Technology  
• Switch-Mode Power Supply  
Signal Isolation  
• General Purpose Analog  
Signal Isolation  
• Transducer Isolation  
Description  
The HCPL-7800 high CMR  
isolation amplifier provides a  
unique combination of features  
ideally suited for motor control  
circuit designers. The product  
provides the precision and  
stability needed to accurately  
monitor motor current in high-  
noise motor control environ-  
ments, providing for smoother  
control (less “torque ripple”) in  
various types of motor control  
applications.  
The HCPL-7800 utilizes sigma-  
delta (Σ∆) analog-to-digital  
converter technology, chopper  
stabilized amplifiers, and a fully  
differential circuit topology  
fabricated using HP’s 1 µm  
CMOS IC process. The part also  
couples our high-efficiency, high-  
speed AlGaAs LED to a high-  
speed, noise-shielded detector  
Functional Diagram  
Applications  
• Motor Phase Current  
Sensing  
• General Purpose Current  
Sensing  
• High-Voltage Power Source  
Voltage Monitoring  
I
I
DD2  
DD1  
This product paves the way for a  
smaller, lighter, easier to produce,  
high noise rejection, low cost  
solution to motor current  
sensing. The product can also be  
used for general analog signal  
isolation applications requiring  
high accuracy, stability and  
1
8
V
V
DD1  
DD2  
I
I
IN  
O
7
6
2
3
V
V
V
IN+  
+
-
+
-
OUT+  
OUT-  
V
IN-  
*The terms common-mode rejection  
(CMR) and isolation-mode rejection (IMR)  
are used interchangeably throughout this  
data sheet.  
4
5
linearity under similarly severe  
noise conditions. For general  
GND1  
GND2  
CMR SHIELD  
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.  
1-216  
5965-3592E  

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