The AFE4403 is a fully-integrated analog front-end (AFE) ideally suited for pulse oximeter applications.
The device consists of a low-noise receiver channel with an integrated analog-to-digital converter (ADC), an LED transmit section, and diagnostics for sensor and LED fault detection.
Key Features
1 Fully-Integrated AFE for Pulse Oximeter and Heart Rate Monitoring.
Full PDF Text Transcription for AFE4403 (Reference)
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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community AFE4403 SBAS650B – MAY 2014 – REVISED JULY 2014 AFE4403 Ultra-Small, Integrated Analo...
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B – MAY 2014 – REVISED JULY 2014 AFE4403 Ultra-Small, Integrated Analog Front-End for Heart Rate Monitors and Low-Cost Pulse Oximeters 1 Features •1 Fully-Integrated AFE for Pulse Oximeter and Heart Rate Monitoring Applications: • Transmit: – Integrated Dual LED Driver (H-Bridge or Common Anode) – Option for a Third LED Support for Optimized SPO2, HRM, or Multi-Wavelength HRM – Up to 110-dB Dynamic Range – LED Current: – Programmable to 100 mA with 8-Bit Current Resolution – 30 µA + Average LED Current – Programmable LED On-Time – Independent LED2 and LED1 Current Reference • Receive Channel with High Dynamic Range: – 22-B
AFE4403 Datasheet
