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Low Current Consumption Light Sensor and Proximity Sensor LITEON LTR-507ALS-WA with Interrupt Feature

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Low Current Consumption Light Sensor and Proximity Sensor LITEON LTR-507ALS-WA with Interrupt Feature

Operating Temperature : -40℃~+85℃

Interface : I2C

Measurement Type : Light Intensity

Voltage - Supply : 2.4V~3.6V

Description : I2C 2.4V~3.6V SMD Ambient Light, IR, UV Sensors RoHS

Mfr. Part # : LTR-507ALS-WA

Model Number : LTR-507ALS-WA

Package : SMD

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Product Overview

The LTR-507ALS-WA is an integrated I2C digital light sensor (ALS) and proximity sensor (PS) with a built-in LED driver, presented in a miniature chipled lead-free surface mount package. This device offers a linear response over a wide dynamic range, making it suitable for applications with high ambient brightness. It features a configurable proximity detection distance of up to 50cm and supports an interrupt function to enhance system efficiency by eliminating the need for constant polling. The CMOS design and factory-set trimming minimize device-to-device variations, simplifying manufacturing.

Product Attributes

Brand: LITE-ON
Origin: Taiwan, R.O.C.
Certifications: RoHS and Halogen free compliant

Technical Specifications

Parameter	Min	Typ	Max	Unit	Condition
General
Active Supply Current		220		uA	Active Mode, Ta=25C
Standby Current		5		uA	Standby / Sleep Mode
Initial Startup Time	100			ms	Note 1
Wakeup Time from Standby		10		ms	Note 1
Supply Voltage	2.4		3.6	V
LED Supply Voltage	2.5		4.35	V
Operating Temperature	-40		85	C
Ambient Sensor
Full Scale ADC Count	0		65535	count
Dark ADC Count	0		3	count	E = 0 lux
CH1 Count	90	180		count	E=200 lux, Dynamic range 1
CH2 Count	25	55		count	E=200 lux, Dynamic range 1
Gain 2x		-5%	5%		Dynamic range 1
Gain 100x		-5%	5%		Dynamic range 1
Gain 200x		-5%	5%		Dynamic range 1
Proximity Sensor
Full Scale ADC Count		2047		count
Detection Distance			50	cm	18% Gray card, IR LED=LTE-C249, 127 IR pulses
Ambient Light Suppression		50k		lux	Direct sunlight
LED Pulse Count	1		255	pulses
LED Pulse Frequency	30k		100k	Hz	Increment of 10k Hz
LED Duty Cycle		50%		%	Fixed at 50%
LED Peak Current			130	mA	Max for setting 111
I2C Interface
SCL Clock Frequency	100	400	3400	KHz	Standard, Fast, High Speed Modes
Bus Free Time	1.3			us	Between STOP and START
Hold Time (repeated START)	0.6			us
LOW Period of SCL	1.3			us
HIGH Period of SCL	0.6			us
Set-up Time (repeated START)	0.6			us
Set-up Time (STOP)	0.6			us
Rise Time (SDA/SCL)	30		300	ns
Fall Time (SDA/SCL)	30		300	ns
Data Hold Time	0		0.9	us
Data Set-up Time	100			ns
Pulse Width of Spikes			50	ns	Suppressed by input filter

2410121525_LITEON-LTR-507ALS-WA_C710246.pdf

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