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Programmable Gain Light to Digital Converter AMS TSL25403M for Precise Illuminance Control Applications

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Programmable Gain Light to Digital Converter AMS TSL25403M for Precise Illuminance Control Applications

Length : 2mm

Width : 2mm

Operating Temperature : -30℃~+85℃

Interface : I2C

Measurement Type : Light Intensity

Voltage - Supply : 1.7V~2V

Description : I2C 1.7V~2V SMD-10P Ambient Light, IR, UV Sensors RoHS

Mfr. Part # : TSL25403M

Model Number : TSL25403M

Package : SMD-10P

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Product Overview

The TSL2540 is a highly sensitive light-to-digital converter that provides a digital signal output with direct IC interface capabilities. It features two output channels: a visible channel with a UV and IR blocking filter, and an IR channel with an IR pass filter. Each channel offers a 16-bit output, enabling accurate ambient light measurement for applications such as calculating illuminance to control display backlights. The device offers programmable gain and integration time, reduced power consumption, and operates on a 1.8V power supply with a 1.8V IC bus.

Product Attributes

Brand: ams OSRAM
Product Type: ALS, Light-to-Digital Sensor
Package: 2.0mm x 2.0mm x 0.5mm

Technical Specifications

Parameter	Min	Typ	Max	Units	Comments
Absolute Maximum Ratings
VDD Supply voltage	-0.3		2.2	V	All voltages are with respect to GND
VIO Digital I/O terminal voltage	-0.3		3.6	V
INT, SCL and SDA Iout Output terminal current	-1		20	mA	INT and SDA
Storage temperature range	-40		85	C
Input current (latch up immunity)			100	mA	JEDEC JESD78D Class II
Electrostatic discharge HBM			2000	V	JS-001-2014
Electrostatic discharge CDM			500	V	JEDEC JESD22-C101F
Electrical Characteristics
VDD Supply voltage	1.7	1.8	2.0	V
Supply voltage accuracy, VDD total error including transients	-3		3	%
TA Operating free-air temperature	-30		85	C	Specifications are stated at 25C unless otherwise noted.
fOSC Oscillator frequency		8.107		MHz
IDD Supply current Active ALS State		50	150	A	(PON=AEN=1)
IDD Supply current Idle State		30	60	A	(PON=1, AEN=0)
IDD Supply current Sleep State		0.7	5	A
VOL INT, SDA output low voltage			0.6	V	6mA sink current
ILEAK Leakage current, INT, SCL and SDA	-5		5	A
VIH SCL, SDA input high voltage	1.26			V	Digital pins are tolerant to a communication voltage up to 3.4V.
VIL SCL, SDA input low voltage		0.54		V	Digital pins are tolerant to a communication voltage up to 3.4V.
TActive Time from power-on to ready to receive IC commands	1.5			ms
Typical Operating Characteristics
Integration time step size	2.68	2.78	2.90	ms
Number of integration steps		1	256	steps
Dark ADC count value	0	1	3	counts	Ee = 0 W/cm2; AGAIN = 64x; ATIME = 100ms (0x23)
Re Irradiance responsivity Visible Channel	309	363	417	counts/ (W/cm2)	Settings: AGAIN = 16x ATIME = 400ms; White LED, 2700K
Re Irradiance responsivity IR Channel		352		counts/ (W/cm2)	Settings: AGAIN = 16x ATIME = 400ms; D = 950 nm LED
Gain scaling, relative to 1x gain setting (AGAIN = 4x)		4		x
Gain scaling, relative to 1x gain setting (AGAIN = 16x)		16		x
Gain scaling, relative to 1x gain setting (AGAIN = 64x)		67		x
Gain scaling, relative to 1x gain setting (AGAIN = 128x)		140		x
ADC noise		0.005		% full scale	AGAIN = 16x

2412111217_AMS-TSL25403M_C3678709.pdf

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