Optical Sensor for Heart Rate Monitor - BH1790GLC | ROHM Semiconductor - ROHM Co., Ltd. - global
Optical Sensor for Heart Rate Monitor - BH1790GLC
BH1790GLC is optical sensor for heart rate monitor in which LED driver and green light detection photo-diode are incorporated. This device drives LED and provides the intensity of light reflected from body. LED brightness can be adjusted by LED driver current and light emitting period. The photodiode having the high sensitivity for green light, excellent wavelength selectivity and excellent lrcut characteristics achieves accurate pulse wave detection.
Evaluation Board Manual (PDF; 527KB) Software Manual (PDF; 187KB) Sample Code for Arduino (ZIP; 5KB) HR Calculation Algorithm (ZIP; 31KB)
Heart Rate Monitor
Analog Supply Voltage (Min.) [V]
Analog Supply Voltage (Max.) [V]
IO Supply Voltage (Min.) [V]
IO Supply Voltage (Max.) [V]
Current Consumption [uA]
Standby Current [µA]
Red Light Cut
Operating Temperature (Min.)[°C]
Operating Temperature (Max.)[°C]
- Green filter with excellent wavelength selectivity.
- Built-in Ircut Filter.
- LED driver with current selection.
- Correspond to 1.8V I²C Interface.