4-36

Truth Table

Inputs

Outputs

TXD

LED

LEDA

RXD

X

ON

Low

OFF

High

V

IL

EI

L

OFF

High

High

X = Don’t care.

Notes:

1. EI – received in band light intensity present at detector surface.

maintained, but is instead a pulsed response. The output low state is maintained for a

duration dependent on the incident bit pattern and the incident intensity (EI).

Pinout

Pin

Description

Symbol

1

Daylight Cancellation Capacitor

CX1

2

PIN Bypass Capacitor

CX2

3

Supply Voltage

4

Receiver Data Output

RXD

5

Ground

Gnd

6

Transmitter Data Input

TXD

7

LED Cathode

LEDC

8

LED Anode

LEDA

Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.

Units

Conditions

Fig.

Storage Temperature

-20

85

C

Operating Temperature

070

C

Lead Solder Temperature

260

C

For 10 s (1.6 mm

Reflow

below seating plane)

Profile

Average LED Current

100

mA

Repetitive Pulsed LED Current

500

mA

≤ 90 µs Pulse Width,

≤ 20% Duty Cycle

Peak LED Current

1.0

A

≤ 2 µs Pulse Width,

≤ 10% Duty Cycle

LED Anode Voltage

-0.5

7.0

V

LED Cathode Voltage

-0.5

V

Supply Voltage

0

7.0

V

Transmitter Data Input Voltage

-0.5

5.5

V

Receiver Data Output Voltage

-0.5

V