Transmitter:
Supports Common Anode LED Configuration
Dynamic Range: 100 dB
6-Bit Programmable LED Current to 50 mA (Extendable to 100 mA)
Programmable LED On-Time
Simultaneous Support of 3 LEDs for Optimized SpO2, HRM, or Multi-Wavelength HRM
Receiver:
24-Bit Representation of the Current Input from a Photodiode in Twos Complement Format
Individual DC Offset Subtraction DAC at TIA Input for Each LED and Ambient Phase
Digital Ambient Subtraction at ADC Output
Programmable Transimpedance Gain:10 kΩ to 2 MΩ
Dynamic Range: 100 dB
Average Current Less Than 200 μA for PPG Signal Acquisition
Pulse Frequency: 10 SPS to 1000 SPS
Flexible Pulse Sequencing and Timing Control
Flexible Clock Options:
External Clocking:4-MHz to 60-MHz Input Clock
Internal Clocking: 4-MHz Oscillator
I2C Interface
Operating Temperature Range: –20°C to 70°C
2.6-mm x 1.6-mm DSBGA Package, 0.5-mm Pitch
Supplies: Rx: 2 V to 3.6 V, Tx: 3 V to 5.25 V,IO: 1.8 V to 3.6 V