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Specifications
Operating Temperature:
-40℃~+105℃
Interface:
I2C
Measurement Type:
Color Recognition
Voltage - Supply:
2.7V~3.6V
Mfr. Part #:
AS7331-AQFM OLGA16 LF T&R
Package:
OLGA-16(3.65x2.6)
Key Attributes
Model Number:
AS7331-AQFM OLGA16 LF T&R
Product Description
Product Overview
The AS7331 is a low-power, low-noise integrated UV sensor designed for measuring UVA, UVB, and UVC radiation. It converts optical signals into digital results, offering continuous or triggered measurements. With adjustable responsivity, conversion time, and internal clock frequency, it achieves a wide dynamic range and high accuracy. The sensor features automatic power-down for low current consumption and supports various operational modes including CMD, CONT, and synchronized modes (SYN[x]). It is suitable for a range of applications requiring UV radiation measurement and analysis.
Product Attributes
- Brand: Not specified
- Origin: Not specified
- Material: Not specified
- Color: Not specified
- Certifications: Not specified
Technical Specifications
| Parameter | Value | Unit | Notes |
| Channels | UVA, UVB, UVC | - | Separated spectral measurements |
| Dynamic Range | up to 3.43E+10 | - | Resolution multiplied by gain range |
| Signal Resolution | up to 24-bit (internal) / 16-bit (IC) | - | Internal via IC and shifter |
| Minimum Irradiance Responsivity | 2.38 | nW/cm | At 64 ms integration time |
| Gain Steps | 12 | - | Factor of two per step |
| Conversion Time Steps | 15 | - | Factor of two per step |
| IC Interface | 16-bit / 400 kHz Fast Mode | - | Programmable slave addresses |
| Temperature Sensor | Integrated | - | For rough compensation |
| Operating Modes | CMD, CONT, SYN[x] (SYNS, SYND) | - | User programmable |
| Power Management | Automatic Power Down, Sleep function, Standby | - | Low current consumption |
| Package | OLGA16 | - | Small SMD package |
| External Reference Resistor | REXT | - | Required for references and bias generation |
| IC Address Pins | A0, A1 | - | Set slave address |
| Conversion Status Output | READY | - | Configurable (push-pull or open-drain) |
| External Trigger Input | SYN | - | For synchronized measurement start/stop |
2410311322_AMS-AS7331-AQFM-OLGA16-LF-T-R_C20482877.pdf
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