EVERLIGHT IRM-3738S18 DATA SHEET

EVERLIGHT ELECTRONICS CO.,LTD.

Technical Data Sheet
Infrared Remote-Control Receiver Module

Features :

• Photo detector and preamplifier in one package

• Internal filter for PCM frequency

• Improved shielding against electrical field disturbance

• TTL and CMOS compatibility

• Output active low

• Low power consumption

• Improved immunity against ambient light

• Suitable min. burst length≧6 or 10 pulses/burst.

• The product itself will remain within RoHS compliant version.

• Pb free

IRM-3738S18

Descriptions

‧The device is a miniature type infrared remote control system

receiver which has been developed and designed by utilizing the
most updated IC technology. The PIN diode and preamplifier are
assembled on lead frame, the epoxy package is designed as an IR
filter. The demodulated output signal can directly be decoded by a
microprocessor.

Applications

1. Optical switch

2. Light detecting portion of remote control

․AV instruments such as Audio, TV, VCR, CD, MD, etc.
․Home appliances such as Air-conditioner, Fan , etc.
․The other equipments with wireless remote control.
․CATV set top boxes
․Multi-media Equipment

PART MATERIAL COLOR

Chip Silicon Black

Shell Epoxy Silver-white

Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 2 Page: 1 of 9

Device No：SZDMO-037-004 Prepared date：07-28-2005 Prepared by：Hao Liu

EVERLIGHT ELECTRONICS CO.,LTD.

Package Dimensions

IRM-3738S18

Notes: 1.All dimensions are in millimeters.

2.Tolerances unless dimensions ±0.3mm.

Absolute Maximum Ratings (Ta=25℃)

Parameter Symbol Rating Unit

Supply Voltage Vcc

Operating Temperature Topr

Storage Temperature Tstg

Soldering Temperature Tsol

OUT
Vcc

GND

0~6

-25 ~ +85

-25 ~ +85

260

Notice

V

℃

℃

℃

4mm from mold body

less than 10 seconds

Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 2 Page: 2 of 9

Device No：SZDMO-037-004 Prepared date：07-28-2005 Prepared by：Hao Liu

EVERLIGHT ELECTRONICS CO.,LTD.

Recommended Operating Condition

Supply Voltage Rating: Vcc 2.7V to 5.5V

Electro-Optical Characteristics (Ta=25℃, and Vcc=3.0V)

IRM-3738S18

Parameter Symbol MIN. TYP. MAX. Unit

Consumption Current Icc
B.P.F Center Frequency Fo
Peak Wavelength

Reception Distance

Half Angle(Horizontal)

Half Angle(Vertical)
High Level Pulse Width TH

Low Level Pulse Width TL

High Level Output Voltage VH

Low Level Output Voltage VL

λ

L0

L45

Θ

Θ

Condition

0.7 0.9 1.2

--- 38 ---

p

h

v

--- 940 --­8 --- ---

5 --- ---

--- 45 ---

--- 45 ---

400 --- 800
400 --- 800

2.5 --- --- V

--- 0.2 0.5 V

mA No signal input

KHz

nm

m

deg

deg

μs

μs

At the ray axis

*1

At the ray axis

*2

*1:The ray receiving surface at a vertex and relation to the ray axis in the range of θ= 0° and θ=45°.
*2:A range from 30cm to the arrival distance. Average value of 50 pulses.

Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 2 Page: 3 of 9

Device No：SZDMO-037-004 Prepared date：07-28-2005 Prepared by：Hao Liu