Description
Max30100 Pulse Oximeter & Heart‑Rate Sensor Module
The MAX30100 integrates a two‑LED (red and IR) photodiode array, a laser‑level ambient light rejection circuit, and a precision ambient light camera into a single, low‑power I²C device. Designed for wearables, medical monitoring and health‑trackers, it delivers high‑resolution SpO₂ and HR measurements while consuming less than 5 µW during sleep mode. Its compact 2 × 4 mm magnetic‑contact package makes it ideal for discreet form‑factors.
Features include a programmable LED drive current (0.5–50 mA), 16‑bit ADC, 50‑Hz motion‑sensing interrupt, and integrated Fast Transceiver for quick wake‑ups. The sensor outputs raw reflectance data, enabling custom calibration and advanced signal‑processing algorithms for improved accuracy in noisy or low‑injection scenarios.
- Key Spec 1: Dual‑LED (Red 660 nm, IR 940 nm) photodiode + ADC
- Key Spec 2: 16‑bit, 1 kSPS, ±0.5 µA precision
- Key Spec 3: I²C (100 kHz/400 kHz) interface, 3.3 V logic
- Common Use Case: Wearable HR/SpO₂ monitoring, smartwatch health modules, bedside patient vital sign sinks
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