VCNL4040

www.vishay.com

Vishay Semiconductors

Rev. 1.4, 02-Mar-15

3

Document Number: 84274

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

BLOCK DIAGRAM

Notes

Detection Range”

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply voltage

2.5

3.6

V

Supply current

Excluded LED driving

300

μA

0.2

μA

1.8

3.6

V

ALS shut down

ALS disable, PS enable

200

μA

PS shut down

ALS enable, PS disable

260

μA

Logic high

1.55

V

Logic low

0.4

Logic high

1.4

V

Logic low

0.4

Peak sensitivity wavelength of

ALS

550

nm

Peak sensitivity wavelength of PS

940

nm

Full ALS counts

16-bit resolution

65 535

steps

Full PS counts

12-bit / 16-bit resolution

4096 / 65 535

steps

ALS sensing tolerance

White LED light source

± 10

%

Detectable

intensity

Minimum

0.0125

lx

Maximum

6553

ALS dark offset

03

steps

PS detection range

Kodak white card

0

200

mm

Operating temperature range

-40

+85

°C

Cathode (sensor) voltage

2.5

3.6

V

IRED driving current

(3)

200

mA

GND

Low Pass Filter

Temperature

Sensor

Control

ALS

16 bits

Data

Buffer

ALS

PD

PS

PD

DSP

PD Timing

Controller

Oscillator

LED Driver

PD

Buffer

LED_CATHODE

V

DD

SCLK

SDAT

INT

Anode

IR LED