ISL29125

Digital RGB Color Light Sensor

The ISL29125 is a digital rgb color light sensor from Intersil. View the full ISL29125 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official ISL29125 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Intersil

ISL29125 Key Specifications

Parameter	Value
Interface	I2C (SMBus compatible), up to 500kHz
ADC Resolution	16 bits (selectable 12 or 16 bits)
Sensing Range 0	5.7m lux to 375 lux
Sensing Range 1	0.152 lux to 10,000 lux
Standby Current	29μA typ (37μA max)
Operating Current	56μA typ (85μA max)
I2C Device Address	1000100 (7-bit)
I2C Supply Voltage	1.7V to 3.63V
Package Dimensions	1.65x1.65x0.7mm
Power-Down Current	0.5μA typ (1.45μA max)
ADC Integration Time	101ms typ (16-bit)
Supply Voltage (VDD)	2.25V to 3.63V
Operating Temperature	-40°C to +85°C

ISL29125 Overview

Part: ISL29125 — Intersil (now Renesas)

Type: Digital Red, Green and Blue Color Light Sensor with IR Blocking Filter

Description: A low power, high sensitivity RGB color light sensor with an I2C (SMBus compatible) interface, featuring a 16-bit ADC, IR rejection, and selectable optical sensitivity ranges, operating from 2.25V to 3.63V.

Operating Conditions:

Supply voltage: 2.25V to 3.63V
Operating temperature: -40°C to +85°C
I2C supply voltage: 1.7V to 3.63V
I2C clock rate: up to 500 kHz

Absolute Maximum Ratings:

Max supply voltage (VDD to GND): +4.0V
Max I2C Bus (SCL, SDA) and INT Pin Voltage: -0.2V to 4.0V
Max I2C Bus (SCL, SDA) and INT Pin Current: <10mA
Max junction temperature: +90°C
Storage temperature: -40°C to +100°C

Key Specs:

Supply Current (operating): 56 μA (typ)
Supply Current (powered down): 0.50 μA (typ)
ADC Resolution: 16 bits
ADC Integration/Conversion Time: 101 ms (typ, 16-bit ADC data)
Optical Sensitivity Range 0: 5.7 m lux to 375 lux
Optical Sensitivity Range 1: 0.152 lux to 10,000 lux
Corrected Color Temperature Accuracy: ±5 % (typ, Illuminant A at 300 lux)
Full Scale ADC Code: 65535 Counts (max, 16 bits)

Features:

56μA operating current, 0.5μA shutdown current
Selectable range (Via I2C)
I2C (SMBus compatible) output
ADC resolution 16 bits
Programmable interrupt windows
Two optical sensitivity ranges
Operating power supply 2.25 to 3.63V
I2C power supply 1.7V to 3.63V
6 Ld ODFN (1.65x1.65x0.7mm) package

Applications:

Smart phone, PDA, GPS, tablet PCs, LCD-TVs, digital picture frames, digital cameras
Dynamic display color balancing
Printer color enhancement
Industrial/commercial LED lighting color management
Ambient light color detection/correction
OLED display aging compensation

Package:

6 Ld ODFN (1.65x1.65x0.7mm)

ISL29125 Features

56μA operating current, 0.5μA shutdown current
Selectable range (Via I 2 C)
I 2 C (SMBus compatible) output
ADC resolution 16 bits
Programmable interrupt windows
Two optical sensitivity ranges
-Range 0 = 5.7m lux to 375 lux
-Range 1 = 0.152 lux to 10,000 lux
Operating power supply 2.25 to 3.63V
I 2 C power supply 1.7V to 3.63V
6 Ld ODFN (1.65x1.65x0.7mm) package

ISL29125 Applications

Smart phone, PDA, GPS, tablet PCs, LCD-TVs, digital picture frames, digital cameras
Dynamic display color balancing
Printer color enhancement
Industrial/commercial LED lighting color management
Ambient light color detection/correction
OLED display aging compensation

FIGURE 2. NORMALIZED SPECTRAL RESPONSE FOR RED, GREEN AND BLUE SENSING

FIGURE 2. NORMALIZED SPECTRAL RESPONSE FOR RED, GREEN AND BLUE SENSING

ISL29125 Pin Configuration

ISL29125 Electrical Characteristics

SYMBOL	PARAMETER	TEST CONDITIONS	MIN (Note 6)	TYP	MAX (Note 6)	UNIT
V DD	Power Supply Range		2.25		3.63	V
I DD	Supply Current			56	85	μA
I DD1	Supply Current when Standby	Software disabled		29	37	μA
I DD2	Supply Current when Powered Down	Software disabled		0.50	1.45	μA
V I2C	Supply Voltage Range for I 2 C Interface		1.7		3.63	V
t INT	ADC Integration/Conversion Time	16-bit ADC data		101		ms
f I2C	I 2 C Clock Rate Range			500		kHz
D Dark	Count Output when Dark	Lux = 0 lux, Range = 0 (375 lux)		1	5	Counts
CCT	Corrected Color Temperature Accuracy	Illuminant A is at 300 lux (see Note 11 on page 11 and 'References' on page 15 about CIE 1931, Planckian locus and standard illuminants)		±5		%
D FS	Full Scale ADC Code	ADC 16 bits			65535	Counts
	Full Scale on Range 0	Green = 565nm Red = 620nm Blue = 485nm		18 20 30		μW/cm 2 μW/cm 2 μW/cm 2

565nm Green, 620nm Red LED, 485nm Blue in white LED is used in production test. Its irradiance is calibrated to produce the same DATA count against an illuminance level of 130 lux fluorescent light.
Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
SDA and INT current sinking capability are assured by design.

ISL29125 Absolute Maximum Ratings

VDD to GND . . . . . . . . . . . . . . . . . . . . . . .	. . . . . . +4.0V
I 2 C Bus (SCL, SDA) and INT Pin Voltage.	-0.2V to 4.0V
I 2 C Bus (SCL, SDA) and INT Pin Current.	. . . . <10mA
Input Voltage Slew Rate (Max). . . . . . . . .	. . . . . 0.1V/μs
ESD Ratings
Human Body Model (HBM) . . . . . . . . .	. . . . . . .2.5kV
Machine Model (MM) . . . . . . . . . . . . . .	. . . . . . 300V
Charged Device Model (CDM) . . . . . . .	. . . . . . . . 2kV

ISL29125 Thermal Information

Thermal Resistance (Typical)	JA (°C/W)
6 Ld ODFN Package (Note 4) . . . . . . . .	. 260
Maximum Junction Temperature (TJ MAX ).	. . . . . . . . . .+90°C
Storage Temperature Range. . . . . . . . . . .	.-40°C to +100°C
Operating Temperature . . . . . . . . . . . . . . .	. .-40°C to +85°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . .	. . . . . . see TB493

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty.

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