Multifunction photometric front end Fully integrated AFE, ADC, LED drivers, and timing core Enables best-in-class ambient light rejection capability without the need for photodiode optical filters Three 370 mA LED drivers 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 SPI, I2C interface, and 1.8 V analogue/digital core Flexible sampling frequency ranging from 0.122 Hz to 3820 Hz FIFO data operation APPLICATIONS Wearable health and fitness monitors Clinical measurements, for example, SpO2 Industrial monitoring Background light measurements
