The Broadcom ACPL-C79A isolation amplifiers were designed for current sensing and voltage sensing in electronic power converters in applications including motor drives and renewable energy systems. In a typical motor drive implementation, current flows through an external resistor and the resulting analog voltage drop is sensed by the isolation amplifier. A differential output voltage that is proportional to the current is created on the other side of the optical isolation barrier.

0.5% High Gain Accuracy (ACPL-C79B only)
–50 ppm/°C Low Gain Drift
0.6 mV Input Offset Voltage
0.05% Excellent Linearity
60 dB SNR
200 kHz Wide Bandwidth
3 V to 5.5 V Wide Supply Range for Output Side
–40°C to +105°C Operating Temperature Range
Advanced Sigma-Delta A/D Converter Technology
Fully Differential Isolation Amplifier
15 kV/μs Common-Mode Transient Immunity
Compact, Auto-Insert able Stretched SO-8 Package