MAX30002 Bioimpedance Analog Front-End Analog Devices MAX30002 Bioimpedance (BioZ) Analog Front-End (AFE) offers high performance for clinical and fitness applications, with ultra-low power for extended battery life. The MAX30002 is a single bioimpedance channel capable of measuring respiration. The bioimpedance channel has ESD protection, EMI filtering, internal lead biasing, DC leads-off detection, ultra-low-power leads-on detection during standby mode, and a programmable resistive load for built-in self-test.