● Fully-Integrated Analog Front-End for Pulse Oximeter Applications:
● Flexible Pulse Sequencing and Timing Control
● Transmit:
● Integrated LED Driver (H-Bridge, Push, or Pull)
● Dynamic Range: 95 dB
● LED Current:
● Programmable to 50 mA with 8-Bit Current Resolution
● Low Power:
● 100 µA + Average LED Current
● Programmable LED On-Time
● Independent LED2 and LED1 Current Reference
● Receive Channel with High Dynamic Range:
● 13 Noise-Free Bits
● Low Power:
● Integrated Digital Ambient Estimation and Subtraction
● Flexible Receive Sample Time
● Flexible Transimpedance Amplifier with Programmable LED Settings
● Integrated Fault Diagnostics:
● Photodiode and LED Open and Short Detection
● Cable On and Off Detection
● Supplies:
● Rx = 2.0 V to 3.6 V
● Tx = 3.0 V to 5.25 V
● Package: Compact VQFN-40 (6 mm × 6 mm)
● Specified Temperature Range: 0°C to 70°C