ADPD4100 & ADPD4101 Multimodal Sensor Front Ends

Analog Devices Inc. ADPD4100 and ADPD4101 Multimodal Sensor Front Ends stimulate up to eight LEDs and measure the return signal on up to eight separate current inputs. These devices offer 12 programmable time slots for synchronized sensor measurements. The ADPD4100 and ADPD4101 sensor front ends feature dual-channel processing with simultaneous sampling, flexible input multiplexing, and on-chip digital filtering. The ADPD4100 supports SPI communication and the ADPD4101 supports I²C communication. Typical applications include wearable health/ fitness monitors, industrial monitoring, and home patient monitoring.