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AMS TSL237S LF sensor with integrated photodiode and current to frequency converter in compact package

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AMS TSL237S LF sensor with integrated photodiode and current to frequency converter in compact package

Operating Temperature : -40℃~+70℃

Measurement Type : Light Intensity

Voltage - Supply : 2.7V~5.5V

Description : 2.7V~5.5V Through Hole Ambient Light, IR, UV Sensors RoHS

Mfr. Part # : TSL237S-LF

Model Number : TSL237S-LF

Package : Through Hole

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Product Overview

The ams OSRAM TSL237 is a high-sensitivity light-to-frequency converter that integrates a silicon photodiode and a current-to-frequency converter on a single CMOS IC. It outputs a square wave proportional to light intensity, enabling direct interface with microcontrollers. Temperature compensated for the UV-to-visible range (320nm-700nm) with a response up to 1050nm, it operates from -40C to 85C and is available in a 3-lead clear plastic side-looker package. The TSL237 offers a wide input dynamic range, low dark frequency, and high irradiance responsivity, making it suitable for various light sensing applications.

Product Attributes

Brand: ams OSRAM
Certifications: RoHS Compliant (-LF Package Only)
Package: 3-lead clear plastic side-looker

Technical Specifications

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply voltage	VDD	2.7	5	5.5	V	Single-Supply Operation
Operating free-air temperature	TA	-40		85	C	Temperature compensated for UV-to-visible light range
Storage temperature range	TSTRG	-40		85	C
Low Dark Frequency	fD		0.1	2	Hz	< 2Hz at 50C
Temperature Coefficient of Responsivity			200		ppm/C	Stable 200ppm/C
High-level output voltage	VOH		4	4.5	V	IOH = -1mA
Low-level output voltage	VOL		0.25	0.4	V	IOL = 1mA
Supply current	IDD		2	3	mA
Full-scale frequency			500	1000	kHz	Maximum operating frequency without saturation
Irradiance responsivity	Re		2.3		kHz/(W/cm2)	@ p = 524nm
Input Dynamic Range			5M:1			High-Resolution Conversion

2504101957_AMS-TSL237S-LF_C3678775.pdf

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