VCNL3040

www.vishay.com

Vishay Semiconductors

Rev. 1.4, 23-Sep-2020

3

Document Number: 84917

For technical questions, contact: sensorstechsupport@vishay.com

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

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

BLOCK DIAGRAM

Notes

(1) Part should be operated in dark condition (not in direct sunlight)

(2) Programmable between 50 mA and 200 mA

BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply voltage

VDD

2.5

-

3.6

V

Supply current

Excluded LED driving, VDD = 2.28 V

IDD

-

300

-

μA

Shutdown current

Light condition = dark, VDD = 3.3 V

IDD (SD)

0.01

0.2

1

μA

I2C supply voltage

Vpull_up

1.8

-

3.6

V

I2C signal input

Logic high

VDD = 3.3 V

VIH

1.55

-

-

V

Logic low

VIL

--

0.4

Logic high

VDD = 2.6 V

VIH

1.4

-

-

V

Logic low

VIL

--

0.4

Peak sensitivity wavelength of PS

λpps

-

850

-

nm

Full PS counts

12-bit / 16-bit resolution

-

-

4096 / 65 535

steps

PS dark offset

VDD/VLED = 2.8 V, PS_IT = 1T,

IRED current = 100 mA, dark room

0-

3

steps

PS detection range

Kodak gray card (1)

0

-

300

mm

Operating temperature range

Tamb

-40

-

+85

°C

IRED driving current

(2)

-

-

200

mA

GND

I

2C bus logic

control

PS

PD

LED driver

PD

buffer

LED_CATHODE

V

DD

SCLK

SDAT

INT

Anode

IRED

PS timing

controller

DSP

Oscilator