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LS521 - ILLUMINATION-TO-DIGITAL CONVERTER

Datasheet Summary

Description

The LS521 is a low-noise, high-sensitivity and illumination-to-digital converter with two-wire SMBus serial interface.

Features

  • 1. Characterized with the C. I. E. response as the human eye’s response 2. 8-bit linear digital output for ambient illumination with two wire SMBus interface. 3. Tunable illumination sensitivity by an external resistor 4. Rejection of 50Hz/60Hz light ripple by an external resistor (RL) and an external capacitor (CL) 5. Wide power supply range (2.7~5.5V) 6. Low power dissipation in shut-down mode. 7. Tiny SMD type package: Width: 3.0mm/Height: 3.0 mm/Depth: 1.1mm Width: 2.0mm/Height: 2.0 mm/Depth:.

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Datasheet Details

Part number LS521
Manufacturer SiTi
File Size 667.73 KB
Description ILLUMINATION-TO-DIGITAL CONVERTER
Datasheet download datasheet LS521 Datasheet
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    Full PDF Text Transcription

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    LS521 Version Issue Date File Name Total Pages : A.002 : 2015/07/10 : SP-LS521-A.002.doc : 12 ILLUMINATION-TO-DIGITAL CONVERTER with SMBUS INTERFACE 9 7 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 SILICON TOUCH TECHNOLOGY INC. LS521 ILLUMINATION-TO-DIGITAL CONVERTERS GENERAL DESCRIPTION The LS521 is a low-noise, high-sensitivity and illumination-to-digital converter with two-wire SMBus serial interface. The device integrates a photodiode, a trans-impedance amplifier, and 8-bits analog-to-digital converter (ADC) in a single IC to provide illumination information over an effective 8-bit dynamic range. The digital output is directly proportional to ambient illumination.
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