VSOP98260 for IR Code Learning Applications

Application Note

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Vishay Semiconductors

Revision: 19-Jul-12

3

Document Number: 82588

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

APPLICATION CIRCUIT USING A FORWARD BIASED EMITTER AS A DETECTOR

APPLICATION CIRCUIT USING A REVERSE BIASED PHOTO-DIODE AS A DETECTOR

DETECTOR (IR LED forward polarity)

RANGE (m if Ie = 100 mW/sr)

TSAL6400

100

1

VSLB5308

120

0.9

VSMB2948SL

600

0.4

DETECTOR

RANGE (m if Ie = 100 mW/sr)

PD in reverse polarity

10

3

Vs

Out

In

Gnd

3 Ω

Microcontroller

or logic to

record the IR

signal

VSOP98260

Learning

mode

Data

signal

for emitter

IR LED

VSOP98260

Microcontroller

or logic to

record the IR

signal

Vs

Out

In

Gnd

Learning

mode

PD