Moss launches Maxim MAX30004 bio-potential simulation front-end boosts wearable medical care for health at any time
Mouser Electronics, a leading distributor in the semiconductor and electronic components industry, has begun shipping Maxim Integrated's MAX30004 Biopotential Analog Front End (AFE). This single-channel biopotential heart rate monitoring AFE is specifically designed for wearable medical applications. It serves as an ideal solution for heart rate chest straps and single-lead wireless heart rate patches, allowing users to monitor heart rates without needing to extract or process ECG data during intense physical activity.
This AFE provides a comprehensive biopotential channel that measures the RR wave spacing of heartbeats to accurately determine heart rate. The integrated electrostatic discharge (ESD) protection and electromagnetic interference (EMI) filtering ensure reliable performance, while the DC lead-off detection capability enhances safety. The MAX30004 also features a wide range of calibration voltages, which are part of its built-in self-test function, ensuring stability and accuracy.
One of the standout features of the MAX30004 is its fully differential input architecture, which boasts a high common-mode rejection ratio (CMRR) exceeding 100 dB and an impedance of over 500 MOhm. This design significantly improves common-mode to differential-mode conversion, providing a more accurate reading. Additionally, the 0.7 mA lead-on feature allows the AFE to maintain a deep sleep mode when the real-time clock is inactive, waking up only when a valid lead condition is detected.
Configurable interrupts further optimize power efficiency by allowing the microcontroller to wake up only upon detecting each heartbeat. This not only reduces overall system power consumption but also extends battery life. With a DC bias range of up to ±650 mV (1.8 V typical), the MAX30004 can work seamlessly with various electrode types. Its ultra-low power consumption of just 85 mW at 1.1 V makes it stand out in terms of energy efficiency compared to competitors.
The MAX30004 is a game-changer in wearable medical technology, offering a compact and efficient solution for heart rate monitoring. Whether you're developing a heart rate chest strap or a wireless patch, this AFE ensures precise measurements and long battery life, making it a top choice for engineers and developers alike.
In conclusion, the MAX30004 AFE from Maxim Integrated, distributed by Mouser Electronics, is a powerful tool for anyone working in the field of wearable health tech. Its combination of advanced features, low power consumption, and compatibility with different electrode types makes it a must-have for creating innovative and reliable wearable devices.
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