GH301 - Ultra-Low Power Heart Rater Sersor

Ultra-Low Power consumption：

1. Average current consumption in Heart Rate Detection mode (typical value): 25 µA @25 Hz Heart Rate Sampling Frequency (excluding LED)
2. Average current consumption in Heart Rate Detection mode (typical value for East Asian users): 43 µA @25 Hz Heart Rate Sampling Frequency (including LED)
3. Average current consumption in In-Ear Detection mode (typical value): 10 µA (including LED)

Excellent Performance：

1. 24 Bits highly accurate ADC
2. Dynamic range: 96 dB

Light Transmitter Module：

1. Two green LEDs and one IR LED embedded
2. Three independent LED drivers
3. 8 Bits programmable current controller
4. Automatic dimming, self-adaptive to environment changes in optical path for optimal SNR output

Light Receiver Module：

1. Built-in Photodiode (PD)
2. Two signal receiving channels
3. Up to 1 kHz heart rate sampling frequency for each channel

Internal FIFO: 768 Bytes

Package：

1. Size: 3 mm * 6 mm * 0.8 mm
2. Three LEDs, one PD and one AFE embedded

Operating Voltage: 2.5V ~ 3.3V

Communication Interface: IIC or SPI

Functions: HR, HRV, In-Ear Detection (IED)

Application: Wearable devices such as wristbands, watches, fitness trackers and stick-on heart rate monitors.