TSL27721 Ambient Light Sensor
Light-to-digital converter with proximity sensing, I2C Vbus = VDD interface
特点
- Patented dual-diode architecture
- 8M:1 dynamic range
- UV rejection package
- Proximity offset adjustment
- Proximity saturation indicator bit
优势
- Enables operation in IR light environments
- Enables operation in 60K lux sunlight and accurate sensing behind spectrally distorting materials
- Improves lux accuracy across varying light sources
- Compensates for internal system offset or IR LED crosstalk
- Prevents false proximity detection in bright light
产品参数
Supply Voltage [V] | 2.4 - 3.6 |
---|---|
I²C Bus | VDD |
Programmable | Gain, Integration time, Interrupt |
Integrated Capabilities | ALS, Prox, LED Drvr. |
Recommended Operating Distances [cm] | < 15, < 46 |
Temperature Range [°C] | −30 to 70 |
Package | FN, pin count 6 |

综述
The TSL2772 device family provides both ambient light sensing (ALS) and, when coupled with an external IR LED, proximity detection. The device family is based on the TAOS patented dual-diode technology that enables accurate ALS results and approximates human eye response to light intensity under a variety of lighting conditions.

本产品适用于以下应用:
- Display backlight control
- Touchscreen control
- Medical diagnostics
- Industrial process control
- Printer paper alignment and detection

工具
标题 | 分类 | 主标题 | 购买 |
---|---|---|---|
TSL2772EvalKit | Application Board | Evaluation Kit for TSL2772 |
技术文档
类别 | 描述 | 语言 | ||
---|---|---|---|---|
Datasheet | Document version 2-00 | |||
Application Note | Using Interrupts and the Persistence Filter (DN 41) | English | ||
Application Note | TSL2771 I2C Communications & Proximity Algorithm (DN30A) | English | ||
Application Note | Colorimetry Tutorial (DN 20) | English | ||
Application Note | Basic Pre-Production Light & Color Sensor Solution Validation Process | English |
通知
类别 | 描述 | 语言 | ||
---|---|---|---|---|
Product Change Notification | PCN42-2020 (issued 2020-Aug) | English |
其他信息
类别 | 描述 | 语言 | ||
---|---|---|---|---|
Block Diagram | TSL2772 Block Diagram | English | ||
Factsheet | Ambient Light Sensors and Proximity Detection | English |