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| BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020 INFRARED RECEIVER MODULE Description 1. The BRM-1020 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 leadframe. 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. Package Dimensions: Features 1. 2. 3. 4. 5. 6. 7. Photo detector and preamplifier in one package . Internal filter for PCM frequency. High immunity against ambient light. Improved shielding against electric field disturbance. 3.0V or 5.0V supply voltage; low power consumption. TTL and CMOS compatibility. Suitable transmission code:NEC code,RC5 code. NOTES: 1.All dimensions are in millimeters (inches). 2.Tolerance is 0.10mm (0.004'') unless otherwise specified. 3.Specifications are subject to change without notice. Applications: 1. It can be used for TVsVTRsaudio equipment air conditioners car stereo radiotoys home computers and all other equipment requiring remote control. BLOCK DIAGRAM Vcc Vout Limiter B.P.F PD ABLC Demodulator Preamp Amp Integrator Comparator GND REV: 1.0 Page: 1of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020 Absolute Maximum Ratings(Ta=25) Parameter Supply Voltage Symbol Vcc Ratings 2.7~5.5 Unit V Notice -- Operating Temperature Topr -30~+65 -- Storage Temperature Tstg -40~+85 -- 4mm from mold body less than 5 sec Soldering Temperature Tsol 260 Electrical And Optical Characteristics(Ta=25) Parameter Supply Voltage Supply Current Symbol Vcc Icc Condition DC voltage No signal input At the ray axis Min. 2.7 -- 12 6 -- -- -- Ratings Typ. Max. -- -- -- -- 38 940 45 5.5 1.5 -- Unit V mA Reception Distance L In the range of 45cone -- -- -- -- m B.P.F Center Frequency Peak Wavelength Half Angle fo p -- -- -- Specified by the output TH period within a range from 10cm to the arrival distance (average value of 50 pulses) Specified by the output TL period within a range from 10cm to the arrival distance (average value of 50 pulses) 10cm over the ray axis 10cm over the ray axis KHz nm deg High Level Pulse Width TH 400 -- 800 S Low Level Pulse Width TL 400 -- 800 S High Level Output Voltage Low Level Output Voltage VH VL 4.5 -- -- -- -- 0.5 V V REV: 1.0 Page: 2of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020 Application Circuit 47 Infrared Emitting Diode IRM Vcc Out GND GND +5V 47uF >10k uC Fig.1 Transmitter Wave Form Transmitter Output D.U.T Output Pulse VH TL TH VL 600us 600us Fig.2 Measuring Method Measuring Method 20cm >10k 5.0 0.1V Fig.3 Measuring System + 10uF Standard Transmitter Standard Transmitter Vcc D.U.T GND Vout 100k Vout Vout Oscilloscope Oscilloscope REV: 1.0 Page: 3 of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020 Electrical And Optical Curves(Ta=25) Fig.5 Relative Transmission Distance vs. Direction 0 10 20 30 1.0 Fig.4 Relative Spectral Sensitivity vs. (%) 1.2 Wavelength Relative Responsitibity 0.8 1.0 40 0.6 0.9 0.8 50 60 70 0.4 0.2 0.7 80 90 0 750 850 950 1050 1150 (nm) 0.5 0.3 0.1 0.2 0.4 0.6 Wavelength Relative Transmission Distance (mS) 1.0 Fig.6 Output Pulse Diagram (mA) 2.0 1.8 Fig.7 Supply Current vs. Ambient Temperature 0.8 on 1.6 1.4 Ton ,Toff -Output Pulse Length 0.6 off Supply Current 10000 (mW/cm ) 2 1.2 1.0 0.8 0.6 0.4 0.4 0.2 =950nm,Optical Test Signal,Fig.8 0.2 0.0 0.1 0.0 -30 0 30 60 90 ( C) 1 10 100 1000 Irradiance Ambient Temperature Fig.8 Frequency Dependence of Responsivity (m) 1.0 20 Fig.9 Arrival Distance Vs. Ambient Temperature 0.8 16 Transmission Distance 0 0.6 12 Rel. Responsitivity 0.4 8 0.2 0 4 0.0 0.7 0 0.8 0.9 1.0 1.1 1.2 1.3 -40 -20 0 20 40 60 80 100 ( C) Relative Frequency Ambient Temperature REV: 1.0 Page: 4 of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020 Packaging Box Dimensions Packaging Bag Dimensions Notes: 1250pcs per bag, 3Kpcs per box. 2All dimensions are in millimeters(inches). 3Specifications are subject to change without notice. |
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