ISL29028A datasheet(3/16 Pages) INTERSIL

Numer części	ISL29028A

Szczegółowy opis	Low Power Ambient Light and Proximity Sensor with Intelligent Interrupt and Sleep Modes

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Producent	INTERSIL [Intersil Corporation]

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ISL29028A

3

FN7721.2

March 24, 2011

Absolute Maximum Ratings (TA = +25°C)

Thermal Information

VDD Supply Voltage between VDD and GND . . . . . . . . . . . . . . . . . . . . . .4.0V

I2C Bus Pin Voltage (SCL, SDA). . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 4.0V

I2C Bus Pin Current (SCL, SDA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <10mA

REXT Pin Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5V to VDD + 0.5V

IRDR Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.5V

ADDR0 Pin Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5V to VDD + 0.5V

INT Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 4.0V

INT Pin Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <10mA

ESD Rating

Human Body Model (Note 6). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV

Thermal Resistance (Typical)

θJA (°C/W)

θJC (°C/W)

8 Ld ODFN Package (Notes 4, 5) . . . . . . . .

88

10

Maximum Die Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+90°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C

Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

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.

NOTES:

4.

θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech

Brief TB379.

5. For

θJC, the “case temp” location is the center of the exposed metal pad on the package underside.

6. ESD on all pins is 2kV except for IRDR, which is 1.5kV.

IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise

noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA

Electrical Specifications VDD = 3.0V, TA = +25°C, REXT = 499kΩ 1% tolerance.

PARAMETER

DESCRIPTION

CONDITION

MIN

(Note 12) TYP

MAX

(Note 12) UNIT

VDD

Power Supply Range

2.25

3.0

3.63

V

SR_VDD

Input Power-up Slew Rate

VDD Rising Edge between 0.4V and 2.25V

0.5

V/ms

IDD_OFF

Supply Current when Powered Down

ALS_EN = 0; PROX_EN = 0

0.1

0.8

µA

IDD_NORM

Supply Current for ALS+Prox in Sleep Time

ALS_EN = 1; PROX_EN = 1

110

125

µA

IDD_PRX_SLP Supply Current for Prox in Sleep Time

ALS_EN = 0; PROX_EN = 1

80

µA

IDD_ALS

Supply Current for ALS

ALS_EN = 1; PROX_EN = 0

96

µA

fOSC

Internal Oscillator Frequency

5.25

MHz

tINTGR_ALS

12-bit ALS Integration/Conversion Time

88

100

112

ms

tINTGR_PROX 8-bit Prox Integration/Conversion Time

0.54

ms

Linearity ALS_1 Nonlinearity

EAMBIENT = 0, 53, 90 Lux; ALS_RANGE = 0

(Note 7)

-6

0.5

+6

%

DATAALS_0

ALS Result when Dark

EAMBIENT = 0 lux, 2k Range

1

3

Counts

DATAALS_F

Full Scale ALS ADC Code

EAMBIENT > Selected Range Maximum Lux

(Note 11)

4095

Counts

ΔDATA

DATA

Count Output Variation Over Three Light Sources:

Fluorescent, Incandescent and Sunlight

Ambient Light Sensing

±10

%

DATAALS_1

Light Count Output with LSB of 0.0326 Lux/Count

E = 53 lux, Fluorescent (Notes 8

, 11),

ALS_RANGE = 0

1638

Counts

DATAALS_2

Light Count Output With LSB of 0.522 Lux/Count

E = 320 lux, Fluorescent (Note 8),

ALS_RANGE = 1

460

614

768

Counts

DATAPROX_0 Prox Measurement w/o Object in Path

1

2

Counts

DATAPROX_F Full Scale Prox ADC Code

255

Counts

DATAPROX_1 Prox Measurement Result

(Note 9)

36

46

56

Counts

tr

Rise Time for IRDR Sink Current

RLOAD = 15Ω at IRDR pin, 20% to 80%

500

ns

tf

Fall time for IRDR Sink Current

RLOAD = 15Ω at IRDR pin, 80% to 20%

500

ns

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