Selected Device: TSL2550T Features
The TSL2550 is a digital light sensor with a two-wire, SMBus serial interface. It combines two photodiodes and a companding analog-to-digital converter (ADC) on a single CMOS integrated circuit to provide light measurments over an effective 12-bit dynamic range. The ADC digital outputs of the two channels are used to obtain a value that approximates the human eye response in the commonly used unit of Lux.
- Converts Light Intensity to Digital Signal with a two wire SMBus Serial Interface or I2C (@100KHz)
- Spectral Response approximates Human Eye
- Companding A/D for Wide Dynamic Range
- Low Active Power (1 mW typical)
- Power Down Mode
- TMB package (shown)
- RoHS Compliant
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Selected Device: TSL2550T
| Feature |
Detail |
| Active Product | True | | Temperature Range (Celcius) | Min: -40 Max: 85 | | Voltage Range | Min: 2.70 Max: 5.50 | | Manual Integration Interrupt | False | | Dynamic Range (Lux) | Min: 0.0 Max: 10000 | | Output Type | SMBUS & I2C |
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Selected Device: TSL2550T
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 Datasheet TSL2550 AMBIENT LIGHT SENSOR WITH SMBus INTERFACEThe TSL2550 is a digital-output light sensor with a two-wire, SMBus serial interface. It combines two photodiodes and a companding analog-todigital converter (ADC) on a single CMOS integrated circuit to provide light measurements over an effective 12 ... more info ... - Development Tool TSL2550 EVM User Guide
Test driving the TSL2550 Ambient Light Sensor can be easily done using the RS232 evaluation module. The TSL2550 combines two photodiodes and a companding analog-to-digital converter (ADC) on a single CMOS integrated circuit to provide light measurmen ... more info ... - Application Note Using the TSL2550 with a Microcontroller
The TSL2550 Light To Digital Sensor simplifies the acquisition of ambient light intensity and spectral content information through the use of on-board analog-to-digital conversion and SMBus interface. Targeted at laptop PCs and other portable computi ... more info ... - Application Note Use of the TSL2550 for In-Vehicle Displays
Today's driver distraction is far different than in years past from the ever growing number of in-vehicle technologies. Wireless telephones, internet services, navigation devices, and new sophisticated entertainment systems are receiving the Nationa ... more info ... - Application Note TSL2550 Lux Calculation
The TSL2550 is designed for use with broad wavelength light sources and uses two photodiodes for deriving illuminance (i.e. lux). The first photodiode (Channel 0) is sensitive to both visible and infrared light, while the second photodiode (Channel 1 ... more info ... - Application Note Controlling Backlight with the TSL2550
Automatic Backlight Control is a technique for adjusting brightness to compensate for the surrounding lighting conditions. An Light To Digital sensor (LTD) is used to measure the ambient light level (i.e. the surrounding lighting conditions as percei ... more info ... - Application Note Safety In-Vehicle Displays by G Lee
In the presentation, Glenn will point out that the National Highway Traffic Safety Administration (NHTSA) estimates that 20-30 percent of all vehicle crashes is related to driver distraction. Moreover, the NHTSA believes that today's innovative in-ve ... more info ... - Application Note DN 09 Simplified TSL2550 Lux Calculation for Embedded and Micro Controllers
The TSL2550 is designed for use with broad wavelength light sources and uses two photodiodes for deriving illuminance (i.e. lux). The first photodiode (Channel 0) is sensitive to both visible and infrared light, while the second photodiode (Channel ... more info ... - Application Note DN 13 Optical Window Design for TSL2550
There are several optical window design considerations to take into account when implementing the TSL2550 Ambient Light Sensor (ALS). In order to maximize the performance of the TSL2550 and its effectiveness, placement, optical window dimension, ... more info ... - Application Note DN 14 TSL2550 Demonstration Application
This document describes TAOS' TSL2550 Demonstration Software called 'AutoBrightnessCtl' and is intended to provide an illustrative overview of the software architecture. TAOS software demonstrates an ambient light sensing method to automatically man ... more info ...
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