Hewlett-Packard HCPL-7800B
The HCPL-7800 high CMR isolation amplifier provides a unique combination of features ideally sFEATURES
● 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
APPLICATIONS
● Motor Phase Current Sensing● General Purpose Current Sensing
● High-Voltage Power Source Voltage Monitoring *The terms common-mode rejection (CMR) and isolation-mode rejection (IMR) are used interchangeably throughout this data sheet.
● Switch-Mode Power Supply Signal Isolation
● General Purpose Analog Signal Isolation
● Transducer Isolation
DESCRIPTION