Photometric Front End
Data Sheet
FEATURES
Multifunction photometric front end Fully integrated AFE, ADC, LED drivers, and timing core Usable i...
Description
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...
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