Abstract:A CMOS Hall-based fully integrated isolation amplifier for differential voltage sensing is presented in this work. The design is fabricated in a 0.35 µm CMOS process in which the high voltage (HV) side of the amplifier contains a coil driver while the low voltage (LV) side includes a Hall-effect sensor, lownoise amplifier, programmable-gain amplifier, filter, and chopper switches. Another Hall sensor performs the digital isolation using the on-off keying (OOK) technique for clock recovery. The introduced proto… Show more
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