Description

Photometric Front End with I2C Features: 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 analog/digital core Flexible sampling frequency ranging from 0.122 Hz to 3820 Hz FIFO data operation