Hewlett-Packard HCPL-7825
High CMR Analog Isolation Amplifiers
FEATURES
● 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
● 0.05% Nonlinearity
● Low Offset Voltage and Offset Drift vs. Temperature
● 200 kHz Bandwidth
● Performance Specified for Common Motor Control
APPLICATIONS
over -40°C to 100°C Temperature Range● 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
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
● Transducer Isolation
DESCRIPTION
The HCPL-7820