BRIGHT BRM-1420 Infrared receiver module Datasheet

BRIGHT LED ELECTRONICS CORP.
BRM-1420
SINCE 1981
INFRARED RECEIVER MODULE
● Description
●Package Dimensions:
1. The BRM-1420 is miniaturized infrared receiver
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.
7.4(.291)
4.5(.177)
3. The epoxy package contains a special IR filter.
4.65(.183)
3.7(.146)
3.45
protection against uncontrolled output pulses.
7.06(.279)
disturbed ambient light applications and provides
5.42(.213)
7.98(.314)
4. This module has excellent performance even in
● 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.
3.0V or 5.0V supply voltage; low power consumption.
6.
TTL and CMOS compatibility.
7.
Suitable transmission code: NEC code,RC5 code.
0.50(.02)
0.4(.016)
2.54 2.54
2.5(.098)
8. This product doesn't contain restriction
substance, comply ROHS standard
NOTES:
1.All dimensions are in millimeters (inches).
● Applications:
2.Tolerance is ±0.10mm (0.004’’) unless otherwise specified.
3.Specifications are subject to change without notice.
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.
● BLOCK DIAGRAM
Vcc
Preamp
Amp
Vout
Limiter
B.P.F
Demodulator
Integrator
PD
ABLC
Comparator
GND
Ver.2.0 Page 1 of 5
BRIGHT LED ELECTRONICS CORP.
BRM-1420
SINCE 1981
Absolute Maximum Ratings(Ta=25℃)
Parameter
Symbol
Ratings
Unit
Notice
Supply Voltage
Vcc
2.7~5.5
V
—
Operating Temperature
Topr
-30~+65
℃
—
Storage Temperature
Tstg
-40~+85
℃
—
Soldering Temperature
Tsol
260
℃
4mm from mold body
less than 5 sec
Electrical And Optical Characteristics(Ta=25℃)
Parameter
Ratings
Typ. Max.
Symbol
Condition
Supply Voltage
Vcc
DC voltage
2.7
—
5.5
V
Supply Current
Icc
No signal input
—
—
1.5
mA
At the ray axis
12
—
—
Reception Distance
Min.
L
Unit
m
In the range of 45°cone
6
—
—
B.P.F Center Frequency
fo
—
—
36.7
—
KHz
Peak Wavelength
λp
—
—
940
—
nm
Half Angle
θ
—
—
45
—
deg
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
High Level Pulse Width
Ver.2.0 Page 2 of 5
BRIGHT LED ELECTRONICS CORP.
BRM-1420
SINCE 1981
Application Circuit
47Ω
IRM
Infrared
Emitting
Diode
+5V
Vcc
Out
>10kΩ
47uF
uC
GND
GND
Fig.1 Transmitter Wave Form
Transmitter Output
D.U.T Output Pulse
VH
TL
TH
VL
600us
600us
Fig.3 Measuring System
Fig.2 Measuring Method
Measuring Method
20cm
>10kΩ
5.0± 0.1V
+ 10uF
Standard
Transmitter
100kΩ
Standard
Transmitter
Vout
Oscilloscope
θ
θ
Vcc
D.U.T
GND
Vout
Vout
Oscilloscope
Ver.2.0 Page 3 of 5
BRIGHT LED ELECTRONICS CORP.
BRM-1420
SINCE 1981
Electrical And Optical Curves(Ta=25℃)
Fig.5 Relative Transmission Distance vs.
Direction
Fig.4 Relative Spectral Sensitivity vs.
Wavelength
(%)
1.2
0
10
20
30
Relative Responsitibity
1.0
0.8
1.0
40
0.6
0.9
50
0.4
0.8
60
0.2
0.7
70
80
90
0
750
850
950
0.5
1150 (nm)
1050
Fig.6 Output Pulse Diagram
(mS)
1.0
0.3
0.1
0.2
0.4
0.6
Relative Transmission Distance
Wavelength
(mA)
2.0
Fig.7 Supply Current vs.
Ambient Temperature
1.8
0.8
1.6
1.4
0.6
Supply Current
Ton ,Toff -Output Pulse Length
on
off
0.4
0.2
1.2
1.0
0.8
0.6
0.4
=950nm,Optical Test Signal,Fig.8
0.2
0.0
0.1
1
10
100
1000
10000 (mW/cm )
0.0
2
-30
90 (° C)
60
Fig.9 Arrival Distance Vs.
Ambient Temperature
Fig.8 Frequency Dependence of Responsivity
(m)
1.0
20
16
Transmission Distance
0.8
0.6
Rel. Responsitivity
30
0
Ambient Temperature
Irradiance
0.4
0.2
0
12
8
4
0
0.0
0.7
0
0.8
0.9
1.0
1.1
Relative Frequency
1.2
1.3
-40
-20
0
20
40
60
80
100 (° C)
Ambient Temperature
Ver.2.0 Page 4of 5
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BRM-1420
Packaging Box Dimensions
Packaging Bag Dimensions
Notes:
1、250pcs per bag, 3Kpcs per box.
2、All dimensions are in millimeters(inches).
3、Specifications are subject to change without notice.
Ver.2.0 Page 5of 5
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