IRM-H238/TR2 Everlight Electronics CO., LTD, IRM-H238/TR2 Datasheet - Page 5

• Manufacturer Part Number: IRM-H238/TR2
• Description: Infrared Receivers Infrared Remote
• Manufacturer: Everlight Electronics CO., LTD

Specifications of IRM-H238/TR2

• Peak Wavelength: 940nm
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 5.5V
• Mounting: Through Hole
• Pin Count: 4
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Carrier frequency f0
Modulated IR signal
Fig.-2 Measuring Method
Block Diagram：
Application Circuit：
min 10 pulses
Everlight Electronics Co., Ltd.
Device No：DMO-238-377
Standard Transmitter
IN
RC Filter should be connected closely between Vcc pin and GND pin.
20cm
Oscillator
EVERLIGHT ELECTRONICS CO.,LTD.
Input
10k
10uF
Oscilloscope
+5.0± 0.1V
Prepared date：11-24-2006
http:\\www.everlight.com
Vout
CGA & filter
AGC/ATC & digital control
GND
Standard Transmitter
Fig.-3
Vs
IRM-H2xx/TR2 SERIES
Demodulator
Measuring System
θ: Angle Of Horizontal & Vertical Direction
Rev 2
L: Transmission Distance
Prepared by：Cindy Lin
D.U.T
OUT
GND
Page: 5 of 12
OUT
Vcc
Vout
µC