Si1181-GM Biometric Optical Sensor

The Si1181-GM Biometric Optical Sensor combines the lowest power optical HR solution in the industry with best in class power. It combines a photodiode, analog front end and ADC in a small 3 x 3 QFN device, and allows for the ultimate flexibility in optical design while reducing BOM size. The sensor is capable of capturing high quality PPG waveforms to support continuous HR measurement while consuming less than 50 uA of current (LED + Sensors). Other features include a > 100dB dynamic range, built-in buffer, I2C/SPI support and support for accelerometer synchronization.

Purchasing Information: Available in limited quantities for qualified customers (NDA required).

Please contact sales for pricing and product information.

View Datasheet for all specifications
Specifications Summary

LED Drivers: 4

Package Type: Clear QFN

Package Size (mm): 3x3

Development Tools Type
Si118x-KIT Biometric Sensor Evaluation Kit Evaluation Kits
Title Version Resource Type
Si117x/8x/9x Errata 0.1 Errata
Si1181 Data Short: Optical Heart Rate Sensor Module 0.9 Data Shorts
AN1096: Simplicity Studio v4 Offline Installation 0.1 Application Notes
PB #1606031: Inner Box Label Change Product Change Notifications (PCN)
Standard Outerbox Label Change to Include RoHS and Halogen Free Mark Product Change Notifications (PCN)
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