Optosupply OSO5PAZG71D is a differential signal isolation amplifier module, designed for signal input isolation and noise reduction. It is commonly used in medical systems, energy meters, and industrial process control systems. It features 5 kV signal isolation, up to 5 MHz bandwidth, and an adjustable gain of up to 208 dB. The module also has adjustable input impedance, over voltage protection, and EMC compatibility.