Digital UV Sensor GUVA-C32SM

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Digital UV Sensor GUVA-C32SM

Product catalog summary

Features

Integrated GaN Sensors for UVA in a single package
UV index measurement supported (1 to 14)
Programmable Gain and Integration time
I2C slave interface up to 400KHz
Power management modes
Shutdown current: 0.8uA typical
Supply voltage: 2.6V to 3.6V
2.0mm×2.3mm×1.4mm 4-pin OLGA package

Applications

Smartphone
Watch
Weather station
Bicycle Navigation
Gaming
Accessory

General Description

The GUVA-C32SM is an ultraviolet light sensor with integrated functions, including photodiodes, amplifiers, ADC, digital control logic, and an I2C interface. It measures UVA intensity and outputs a digital count. Power consumption can be reduced by using appropriate power management modes.

Application Circuit Pin Description

Pin 1: SDA (I2C data line)
Pin 2: GND (Ground)
Pin 3: SCL (I2C clock line)
Pin 4: VCC (Supply Voltage)

Functional Block Diagram

The device includes a circuit to measure UVA volumes and outputs digital counts based on intensity.

General Characteristics

Supply voltage: 2.2 to 3.6V
Operational current: 100uA typical
Configurable Gain: 4 modes (×1 to ×128)
Sensor conversion time: 0.39 to 800ms
UV Index range: 0 to 14
Output Resolution: 16 bits
Power management: normal, sleep, auto-shutdown, shutdown
Deep sleep current: <1uA
I2C clock Frequency: Up to 400KHz
Operating Temperature: -30 to +85°C
Soldering Temperature: 260°C (Peak Temp: 10 sec)

Package Information

The device is available in a 2.0 × 2.3mm OLGA package.

Catalog excerpts

Digital UV SensorGUVA-C32SM Features - Integrated GaN Sensors for UVA in a single package - UV index measurement supported(1...>14) - Programmable Gain and Integration time - I2C slave interface up to 400KHz - Power management modes - Shutdown current : 0.8uA typical - Supply voltage of 2.6V to 3.6V - 2.0mmx2.3mmx1.4mm 4-pin OLGA package Applications Smartphone, Watch, Weather station, Bicycle Navigation, Gaming, Accessary General Description GUVA-C32SM supports integrated functions of an ultraviolet light sensor such that can be easily configured and used in user applications. This device has photodiodes,, amplifiers,, ADC,, diqjtal. control . l ogjc and. I2C_ i nterfa.ce circuit to measure the volumes of UVA. The GUVA-C32M can acquire the intensity of UVA, respectively and outputs digital count according to the each intensity. By using power management mode properly according to the work to be done, the power consumption can be reduced. Application Circuit Pin Description

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