Document Number: 81904

www.vishay.com

Rev. 1.2, 13-Aug-09

1

IR Receiver Module for Light Barrier Systems

TSOP5038

Vishay Semiconductors

MECHANICAL DATA

Pinning:

FEATURES

• Low supply current

• Photo detector and preamplifier in one package

• Internal filter for 38 kHz IR signals

• Shielding against EMI

• Supply voltage: 2.7 V to 5.5 V

• Visible light is suppressed by IR filter

• Insensitive to supply voltage ripple and noise

• Compliant

to

RoHS

directive

2002/95/EC

and

in

accordance to WEEE 2002/96/EC

DESCRIPTION

The TSOP5038 is a compact SMD IR receiver for sensor

applications. It has a high gain for IR signals at 38 kHz. The

detection level does not change when ambient light or strong

IR signals are applied. It can receive continuous 38 kHz

signals or 38 kHz bursts.

BLOCK DIAGRAM

APPLICATION CIRCUIT

16797

1

2

3

4

PARTS TABLE

CARRIER FREQUENCY

SENSOR APPLICATIONS

38 kHz

TSOP5038

33 k

Ω

1

4

3

V

S

OUT

Demo-

GND

pass

AMP

Input

PIN

Band

dulator

16833_9

IR receiver

GND

µC

GND

17170_8

OUT

The external components R

to improve the robustnes against electrical overstress

(typical values are R

The output voltage V

below 1 V by the external circuit.

The capacitive load at the output should be less than 2 nF.