UV sensors can be widely used: UV index detection of smart wearable devices, such as watches with UV index detection, smart phones with UV index detection, outdoor UV index detection equipment, etc., and can also be used for ultraviolet disinfection, monitoring UV intensity. UV flame detector, etc.
Korean GENUV sensors are currently used in wearable devices, such as smartphone UV detection. The main models of Shenzhen Gongcai on wearable devices are: GUVB-C31SM (SMD3528 package), GUVA-S12SD (SMD3528 package);
Digital ultraviolet sensor-GUVB-C31SM
1. Product Description of Digital UV Sensor GUVB-C31SM
The digital UV sensor GUVB-C31SM can be easily connected to the MCU to achieve the desired function in the application. The digital UV sensor itself is integrated
A photodiode, amplifier, ADC, digital control logic and 12C interface circuit are used to measure the ultraviolet light in the B band.
The number is that the ultraviolet sensor GUVB-C31SM can measure the intensity of medium-wave ultraviolet rays separately, and calculate the digital output according to each intensity. According to specific application requirements
, Reasonable use of power management mode can reduce power consumption.
2. Application of Digital UV Sensor GUVB-C31SM
Smartphones, watches, weather station bike navigation, games, accessories
3. Electrical characteristics of digital UV sensor GUVB-C31SM
| Number of outputs | 1 channel (UVA) |
| Output resolution | 16 bits |
| UV index range | 0 ~ 14 |
| Sensor switching time | 0.39 ~ 800ms |
| Configurable gain | & TImes; 1 ~ & TImes; 128 |
| Sleep mode control | 2 ~ 256 times |
| Power management | Four modes: normal, sleep, auto off, off |
| I2C clock frequency | Up to 400KHz |
| Working current | Standard 100㎂ |
| Deep sleep current | <1㎂ |
| voltage | 2.2 ~ 3.6V |
UV sensor-GUVA-S12SD
1. Ultraviolet sensor-GUVA-S12SD features:
-Chip size 0.4mm, SMD 3528 package
-GaN materials
-Schottky photodiode
-Good visible blindness
-Photovoltaic mode operation
-High response, low dark current
2. UV sensor-GUVA-S12SD application :
-UV index monitoring
-UV-A lamp / LED monitoring
UV sensors can be widely used: UV index detection of smart wearable devices, such as watches with UV index detection, smart phones with UV index detection, outdoor UV index detection equipment, etc., and can also be used for ultraviolet disinfection, monitoring UV intensity. UV flame detector, etc.
3. UV sensor-GUVA-S12SD specifications :
Spectral detection range: 240-370nm Active area: 0.076mm2 Responsiveness: 0.14A / W Dark current: 1nA Photocurrent: 101 ~ 125nA UVA lamp, 1mW / cm2
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