MAX30009ENA+

MAX30009 is a low-power, high-performance bio impedance analog front-end. It complete Bio impedance (BioZ) analog front-end (AFE) solution for wearable applications. It offers high performance for fitness, wellness, and clinical applications, and ultra-low power for long battery life. The BioZ receive channel has electrostatic discharge (ESD) protection, electromagnetic interference (EMI) filtering, internal lead-biasing, DC leads-off detection, DRVN leadoff detection, and ultra-low power lead-on detection during standby mode. The BioZ receive channel also has high input impedance, low noise, high common-mode rejection ratio (CMRR), programmable gain, various low-pass and high-pass filter options, and two high-resolution analog-to-digital converters for simultaneous I and Q acquisition. Application includes wearable fitness, wellness, and medical devices, multifrequency body composition analysers, non-invasive hemodynamic monitors, and automatic external defibrillators.

• Complete high-performance BioZ AFE, simultaneous I and Q measurement capability
• High-resolution, 20Bit sigma delta analog-to-digital converter
• Wide range of sample rates from 16sps to 4ksps, flexible and programmable input/output MUX
• Low-noise, high-resolution receive channel, 17Bits effective resolution with 1.1µVP-P noise
• High input impedance <gt/> 1Gohm for extremely low common to differential-mode conversion
• Programmable sine-wave stimulus, high input AC dynamic range of <gt/>1000mVP-P
• DC leads-off detect capability, ultra-low power lead-on detection with interrupt for system wake-up
• Typ shutdown current of 0.6µA, PLL can be synchronized with adjacent biosensor/Electrocardiography
• Flexible PLL-based timing subsystem with internal or external clock source
• 25-pin WLP package, temperature range from -40°C to +85°C

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