MAXM86161 Overview
The MAXM86161 is an ultra-low-power, pletely integrated, optical data-acquisition system. On the transmitter side, the MAXM86161 has three programmable high-current LED drivers. On the receiver side, MAXM86161 consists of a high efficiency PIN photo-diode and an optical readout channel.
MAXM86161 Key Features
- plete Single-Channel Optical Data Acquisition System
- Built-In Algorithm Further Enhances Rejection of Fast Ambient Transients
- Optimized Architecture for Reflective Heart Rate and SpO2 Monitoring
- Low Dark Current Noise of < 50pA RMS (Sample-toSample Variance)
- Lower Effective Dark Current Noise Achievable through Multiple Sample Modes and On-Chip Averaging
- High-Resolution 19-bit Charge Integrating ADC
- Three Low-Noise 8-Bit LED Current DACs
- Excellent Dynamic Range > 89dB in White Card Loop
- Excellent Ambient Range and Rejection Capability
- 200μA Ambient Photodetector Current
MAXM86161 Applications
- Optimized for In-Ear Applications
