OPT3002
- Wide Optical Spectrum: 300 nm to 1000 nm
- Automatic Full-Scale Setting Feature Simplifies Software and Configuration
- Measurement Levels:
- 1.2 nW/cm2 to 10 mW/cm2
- 23-Bit Effective Dynamic Range With
Automatic Gain Ranging - 12 Binary-Weighted, Full-Scale Range Settings:
< 0.2% (typ) Matching Between Ranges - Low Operating Current: 1.8 µA (typ)
- Operating Temperature: –40°C to +85°C
- Wide Power-Supply: 1.6 V to 3.6 V
- 5.5-V Tolerant I/O
- Flexible Interrupt System
- Small Form Factor: 2.0 mm × 2.0 mm × 0.65 mm
The OPT3002 light-to-digital sensor provides the functionality of an optical power meter within a single device. This optical sensor greatly improves system performance over photodiodes and photoresistors. The OPT3002 has a wide spectral bandwidth, ranging from 300 nm to 1000 nm. Measurements can be made from 1.2 nW/cm2 up to 10 mW/cm2, without the need to manually select the full-scale ranges by using the built-in, full-scale setting feature. This capability allows light measurement over a 23-bit effective dynamic range. The results are compensated for dark-current effects, as well as other temperature variations.
Use the OPT3002 in optical spectral systems that require detection of a variety of wavelengths, such as optically-based diagnostic systems. The interrupt pin system can summarize the result of the measurement with one digital pin. Power consumption is very low, allowing the OPT3002 to be used as a low-power, battery-operated, wake-up sensor when an enclosed system is opened.
The OPT3002 is fully integrated and provides optical power reading directly from the I2C- and SMBus-compatible, two-wire, serial interface. Measurements are either continuous or single-shot. The OPT3002 fully-operational power consumption is as low as 0.8 µW at 0.8 SPS on a 1.8-V supply.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | OPT3002 Light-to-Digital Sensor datasheet (Rev. A) | PDF | HTML | 2016年 6月 10日 |
| Application brief | How to Select a Light Sensor for Your Application (Rev. C) | PDF | HTML | 2024年 1月 19日 | |
| Technical article | Understanding tamper detection sensors | PDF | HTML | 2019年 11月 18日 |
設計與開發
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