ams TSL2569 Ambient Light Sensor

ams TSL2569 Ambient Light Sensor
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Beschreibung

The TSL2569 is a low-voltage, light-to-digital converter that transforms light intensity to a digital signal output capable of direct I2C interface. Each device combines one broadband photodiode (visible plus infrared) and one infrared-responding photodiode on a single CMOS integrated circuit capable of providing a near photopic response over an effective 20-bit dynamic range (16-bit resolution). Two integrating ADCs convert the photodiode currents to a digital output that represents the irradiance measured on each channel. This digital output can be input to a microprocessor where illuminance (ambient light level) in lux is derived using an empirical formula to approximate the human eye response. The TSL2569 device supports a traditional level style interrupt that remains asserted until the firmware clears it.
Datenblatt
TSL2569 DS000422
Englisch
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Details

Eigenschaften

  • Patented dual-diode architecture
  • 1M:1 dynamic range
  • Programmable interrupt function
  • I²C digital interface
  • Available in 1.25mm x 1.75mm chip-scale or 2.6mm x 3.8mm TMB packages

Vorteile

  • Enables operation in IR light environments
  • Enables dark room to high lux sunlight operation
  • Reduces microprocessor interrupt overhead
  • Digital interface is less susceptible to noise
  • Reduces board space requirements while simplifying designs

Parameter

Function
ambient light sensing
Supply voltage
3.0 V
min.
2.7 V
max.
3.6 V
Interface
input
I²C slave (400kHz)
output
I²C slave (400kHz)
Operating ambient temperature
min.
-30 °C
max.
70 °C
Integrated diffuser
No
Package
CS
Package dimension
l
1.75 mm
w
1.25 mm
h
0.7 mm
Input/Output Voltage
VDD

Downloads

Datenblätter

TSL2569 DS000422

Datasheet
EN
DE
CN
JP

Anwendungshinweise

Lebenszyklus-Dokumente

Bilder

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Details und Datenblätter

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