TSL2571 datasheet(2/39 Pages) OSRAM

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[v1-01] 2018-Mar-27

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TSL2571

Light-to-Digital Converter

The TSL2571 family of devices provides ambient light sensing

(ALS) that approximates human eye response to light intensity

under a variety of lighting conditions and through a variety of

attenuation materials. While useful for general purpose light

sensing, the device is particularly useful for display

management with the purpose of extending battery life and

providing optimum viewing in diverse lighting conditions.

Display panel and keyboard backlighting can account for up to

30 to 40 percent of total platform power. The ALS features are

ideal for use in notebook PCs, LCD monitors, flat-panel

televisions, and cell phones.

Ordering Information and Content Guide appear at end of

datasheet.

Key Benefits & Features

The benefits and features of TSL2571, Light-to-Digital

Converter are listed below:

Figure 1:

Added Value Of Using TSL2571

• Ambient Light Sensing (ALS)

• Approximates Human Eye Response

• Programmable Analog Gain

• Programmable Integration Time

• Programmable Interrupt Function with Upper and

Lower Threshold

• Resolution Up to 16 Bits

• Very High Sensitivity — Operates Well Behind

Darkened Glass

• Up to 1,000,000:1 Dynamic Range

Benefits

Features

• Enables Operation in IR Light Environments

• Patented Dual-Diode Architecture

• Enables Dark Room to High Lux Sunlight

Operation

• 1M:1 Dynamic Range

• Digital Interface is Less Susceptible to

Noise

• I2C Digital Interface

• Enables Low Standby Power Consumption

• 2.5μA Quiescent Current (Sleep Mode)

• Reduces Board Space Requirements while

Simplifying Designs

• Available in 2mm x 2mm Dual Flat No-Lead (FN) Packages

General Description

TSL2571 数据表(PDF) 2 Page - OSRAM GmbH

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