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Digital ambient light sensor and proximity module AMS TMD27723WA with optical crosstalk compensation

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Digital ambient light sensor and proximity module AMS TMD27723WA with optical crosstalk compensation

Description : SMD-8P Ambient Light, IR, UV Sensors RoHS

Mfr. Part # : TMD27723WA

Model Number : TMD27723WA

Package : SMD-8P

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Product Overview

The TMD2772/TMD2772WA family of devices offers a digital ambient light sensing (ALS) and a complete proximity detection system with integrated digital interface logic in a compact 8-pin surface mount module. These devices are register-set and pin-compatible with the TMD2771 family, featuring enhanced ALS and proximity detection capabilities, including a reduced-gain mode for extended sunlight operation and improved signal-to-noise performance for proximity detection. They are available with 25 (TMD2772) and 50 (TMD2772WA) fields of view. The ALS utilizes ams' patented dual-diode technology for human-eye-like light response, while the proximity system includes a factory-trimmed IR LED driver to eliminate end-equipment calibration needs. A proximity offset register allows compensation for optical crosstalk, and a saturation indicator bit prevents false readings.

Product Attributes

Brand: ams
Product Type: Digital ALS and Proximity Module
Certifications: JEDEC JESD78D, JEDEC JESD22-C101F, JS-001-2014

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VDD	2.2	3	3.6	V
Operating Free-Air Temperature	TA	-30		85	C	(1)
LED Supply Voltage on LEDA input	VLEDA	2.5		4.8	V	TA between 0-70 C
LED Supply Voltage on LEDA input	VLEDA	2.5		4.4	V	TA outside of 0-70 C
Supply current (Active, LDR pulse off)	IDD		195	250	A
Supply current (Wait state)	IDD		90		A
Supply current (Sleep state, no IC activity)	IDD		2.2		A
Input high voltage (SCL, SDA)	VIH	0.7 VDD			V	TMD27721, TMD27725, TMD27721WA
Input high voltage (SCL, SDA)	VIH	1.25			V	TMD27723, TMD27727, TMD27723WA
Input low voltage (SCL, SDA)	VIL	0.3 VDD			V	TMD27721, TMD27725, TMD27721WA
Input low voltage (SCL, SDA)	VIL	0.54			V	TMD27723, TMD27727, TMD27723WA
Dark ADC count value (CH0)		0	1	5	counts	Ee = 0, AGAIN = 120, ATIME = 0xDB (100ms)
Dark ADC count value (CH1)		0	1	5	counts	Ee = 0, AGAIN = 120, ATIME = 0xDB (100ms)
ADC Integration time step size		2.58	2.73	2.9	ms	ATIME = 0xFF
ADC counts per step		0		1023	counts	ATIME = 0xFF
ADC count value		0		65535	counts	ATIME = 0xC0
ADC count value (TMD2772, 25, p = 625 nm)	CH0	4000	5000	6000	counts	Ee = 46.8 W/cm2
ADC count value (TMD2772, 25, p = 850 nm)	CH0	4000	5000	6000	counts	Ee = 61.7 W/cm2
ADC count value (TMD2772WA, 50, p = 625 nm)	CH0	4000	5000	6000	counts	Ee = 129.5 W/cm2
ADC count value (TMD2772WA, 50, p = 850 nm)	CH0	4000	5000	6000	counts	Ee = 181.2 W/cm2
ADC count value ratio: CH1/CH0 (p = 625 nm)		0.152	0.19	0.228
ADC count value ratio: CH1/CH0 (p = 850 nm)		0.43	0.58	0.73
Irradiance responsivity (TMD2772, 25, p = 625 nm)	CH0	107.2			counts /(W/ cm2)
Irradiance responsivity (TMD2772, 25, p = 850 nm)	CH0	81.5			counts /(W/ cm2)
Irradiance responsivity (TMD2772WA, 50, p = 625 nm)	CH0	38.6			counts /(W/ cm2)
Irradiance responsivity (TMD2772WA, 50, p = 850 nm)	CH0	27.6			counts /(W/ cm2)
Gain scaling, relative to 1 gain setting (AGAIN = 8)		7.2	8.0	8.8	x	AGL = 0
Gain scaling, relative to 1 gain setting (AGAIN = 16)		14.4	16.0	17.6	x	AGL = 0

2411271913_AMS-TMD27723WA_C2153590.pdf

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