ADPD103

Data Sheet FEATURES Multifunction photometric front end Fully integrated AFE, ADC, LED drivers, and timing core Usable in a broad range of optical measurement applications, including photoplethysmography Enables best-in-class ambient light rejection capability without the need for photodiode optical filters Three 8 mA to 250 mA LED drivers Separate data registers for each LED/photodiode combination 1 to 8 optical inputs Flexible, multiple, short LED pulses per optical sample 20-bit burst accumulator enabling 20 bits per sample period On-board sample to sample accumulator, enabling up to 27 bits per data read Low power operation I2C interface and 1.8 V analog/digital core Flexible sampling frequency ranging from 0.122 Hz to 3.820 kHz FIFO data operation APPLICATIONS Body worn health and fitness monitors, for example, heart rate monitoring Clinical measurements, for example, SpO2 Industrial monitoring Background light measurements Photometric Front End ADPD103 GENERAL DESCRIPTION The AD...