Infrared Receiver Modules

Detail Information

Description :

● Description
1. The BRM-8A18 is miniaturized infrared receivers
for remote control and other applications requiring
improved ambient light rejection.
2. The separate PIN diode and preamplifier IC are
assembled on a single lead frame.
3. The epoxy package contains a special IR filter.
4. This module has excellent performance even in
disturbed ambient light applications and provides
protection against uncontrolled output pulses.
● Features
1. Photo detector and preamplifier in one package .
2. Internal filter for PCM frequency.
3. High immunity against ambient light.
4. Improved shielding against electric field disturbance.
5. 2.7V~5.0V supply voltage; low power consumption.
6. TTL and CMOS compatibility.
7. Suitable transmission code :NEC code,RC5 code.
8. This product doesn't contain restriction
substance, comply ROHS standard
● Applications:
1. It can be used for TVs、VTRs、audio equipment
air conditioners、 car stereo radio、toys、 home
computers and all other equipment requiring remote
control.

Specification :

�� Absolute Maximum Ratings(Ta=25℃)

Parameter Symbol Ratings Unit Notice
Supply Voltage Vcc 2.7-5.0 V —
Operating Temperature Topr -40~+85 ℃ —
Storage Temperature Tstg -40~+85 ℃ —
Soldering Temperature Tsol 260 ℃ 4mm from mold body
less than 5 sec

�� Electrical And Optical Characteristics(Ta=25℃)

Parameter Symbol Condition Ratings
Min. Typ. Max.
Unit
Supply Voltage Vcc DC voltage 2.7 — 5.0 V
Supply Current Icc No signal input — — 1.5 mA
At the ray axis 12 — —
Reception Distance L
In the range of 45°cone 6 — —
m
B.P.F Center Frequency fo — — 38 — KHz
Peak Wavelength λp — — 940 — nm
Half Angle θ — — 45 — deg
High Level Pulse Width TH
Specified by the output TH period
within a range from 10cm to the
arrival distance (average value of 50
pulses)
400 — 800 μS
Low Level Pulse Width TL
Specified by the output TL period
within a range from 10cm to the
arrival distance (average value of 50
pulses)
400 — 800 μS
High Level Output Voltage VH 10cm over the ray axis 4.5 — — V
Low Level Output Voltage VL 10cm over the ray axis — — 0.5 V