Recommended Application Circuit Components

Component

Recommended Value

Note

R1

4.7W,±5%,0.25wattforVcc≤3.0V

R2

2.7W,for2.4≤VLED≤2.7V;

3.3W,for2.7<VLED≤3.0V

3.9W,for3.0<VLED≤3.3V

4.7W,for3.3<VLED≤3.6V

5.6W,for3.6<VLED≤4.2V

10W,for4.2<VLED≤5V

CX1,CX3,CX5

100nF,±20%,X7RCeramic

1

CX2,CX4

4.7mF,±20%,Tantalum

1

Notes:CX1,CX2,CX3&CX4mustbeplacedwithin0.7cmofASDL-3023

toobtainoptimumnoiseimmunity

Absolute Maximum Ratings

Forimplementationswherecasetoambientthermalresistanceis±50°C/W.

Parameter

Symbol

Min.

Max.

Units

Conditions

Ref

StorageTemperature

-40

+100

°C

OperatingTemperature

-25

+85

°C

LEDAnodeVoltage

-0.3

6.5

V

SupplyVoltage

-0.3

6

V

InputVoltage:TXD,SD/Mode

-0.3

5.5

V

OutputVoltage:RXD

-0.3

5.5

V

PeakIRLEDCurrent

200

mA

≤25%dutycycle,≤90mspulsewidth Fig3

PeakRCLEDCurrent

300

mA

≤10%dutycycle,≤90mspulsewidth Fig4

CAUTION: The CMOS INhereNT TO The deSIgN Of ThIS COMpONeNT INCreASeS The COMpONeNT’S SUSCepTIbIlITy TO

dAMAge frOM eleCTrOSTATIC dISChArge (eSd). IT IS AdvISed ThAT NOrMAl STATIC preCAUTIONS be TAkeN IN hANdlINg

ANd ASSeMbly Of ThIS COMpONeNT TO preveNT dAMAge ANd/Or degrAdATION whICh MAy be INdUCed by eSd