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High sensitivity light to frequency sensor AMS TSL237T with stable temperature compensation and wide input dynamic range

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High sensitivity light to frequency sensor AMS TSL237T with stable temperature compensation and wide input dynamic range

Description : SMD-4P Ambient Light, IR, UV Sensors RoHS

Mfr. Part # : TSL237T

Model Number : TSL237T

Package : SMD-4P

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Product Overview

The 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 with a frequency directly proportional to light intensity, enabling direct interface with microcontrollers. Features include single-supply operation, stable temperature compensation, a wide input dynamic range, and low dark frequency, making it suitable for applications requiring precise light level detection and measurement across the ultraviolet-to-visible spectrum.

Product Attributes

Brand: ams OSRAM
Package: 4-lead surface-mount package (T)

Technical Specifications

Parameter	Conditions	Min	Typ	Max	Unit
Supply Voltage (VDD)		2.7		5.5	V
Operating Free-Air Temperature (TA)		-40		85	C
Storage Temperature (TSTRG)		-40		85	C
High-Level Output Voltage (VOH)	IOH = -1mA	4		4.7	V
Low-Level Output Voltage (VOL)	IOL = 1mA	0.1		0.4	V
Supply Current (IDD)			1.6	3	mA
Full-Scale Frequency			500	1000	kHz
Temperature Coefficient of Output Frequency	600nm, fO = 50kHz		200		ppm/C
Supply Voltage Sensitivity (kSVS)	VDD = 5V 10%		0.5		%/V
Output Frequency (fO)	Ee = 40.4W/cm2		40	60	kHz
Dark Frequency (fD)	Ee = 0W/cm2		0	0.1	Hz
Dark Frequency (fD)	Ee = 0W/cm2, TA = 50C		0	2	Hz
Irradiance Responsivity (Re)	p = 640nm		1.2		kHz/(W/cm2)
Nonlinearity	fO = 0kHz to 10kHz		1		%F.S.
Step Response to Full-Scale Step Input			1 pulse of new frequency plus 1s
Time from OE low to output enabled			1 period of output frequency

2504101957_AMS-TSL237T_C20557177.pdf

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