MAX30001CWV+T

MAX30001CWV+T is a complete, biopotential and bioimpedance (BioZ), analogue front-end (AFE) solution for wearable applications. It offers high performance for clinical and fitness applications, with ultra-low power for long battery life. It is a single biopotential channel providing electrocardiogram (ECG) waveforms, heart rate and pacemaker edge detection, and a single bioimpedance channel capable of measuring respiration. The biopotential and bioimpedance channels have ESD protection, EMI filtering, internal lead biasing, DC leads off detection, ultra-low power leads-on detection during standby mode, and extensive calibration voltages for built-in self-test. Applications include single-lead event monitors for arrhythmia detection, single-lead wireless patches for in-patient/out-patient monitoring, chest band heart rate monitors for fitness applications, bio authentication and ECG-on-demand applications, respiration and hydration monitors, impedance based heart rate detection.

• 15.9bits ENOB with 3.1µVPP (typ) noise for ECG, 17bits ENOB with 1.1µVPP noise for BioZ
• Better dry starts due to much improved real world CMRR and high input impedance
• Offers better common-mode to differential mode conversion due to high input impedance
• High input impedance > 1G ohm for extremely low common-to-differential mode
• Minimum signal attenuation at the input during dry start due to high electrode impedance
• High accuracy allows for more physiological data extractions
• High-speed SPI interface, 0.5µA typ shutdown current
• Input leakage current is ±0.1nA typical at (TA = +25°C)
• Common mode rejection ratio is 115dB typical at (0 ohm source impedance, f = 64Hz, TA = +25˚C)
• Operating temperature range from 0°C to +70°C, 30-lead WLP package

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