BRM-1020-NS

BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020-NS INFRARED RECEIVER MODULE ● Description 1. The BRM-1020-NS 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. 3. The epoxy package contains a special IR filter. disturbed ambient light applications and provides protection against uncontrolled output pulses. 18.5(.728) ± 0.25 7.4(.291) 6.5(.256) 2.5(.098) 3.25(.128) 7.5(.295) 3.5(.138) 1.8(.071) ●Package Dimensions: 4. This module has excellent performance even in 3.0(.118) 3.2(.126) ● 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. 0.5(.020) 2.54(.10) 2.54(.10) 0.4(.016) 2.0(.079) 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 TVs、VTRs、audio equipment air conditioners、 car stereo radio、toys、 home computers and all other equipment requiring remote control. ● BLOCK DIAGRAM Vcc Vout B.P.F PD ABLC Demodulator Preamp Amp Limiter Integrator Comparator GND REV: 1.0 Page: 1of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020-NS Absolute Maximum Ratings(Ta=25℃) Parameter Supply Voltage Operating Temperature Storage Temperature Soldering Temperature Symbol Vcc Topr Tstg Tsol Ratings 2.7~5.5 -30~+65 -40~+85 260 Unit V ℃ ℃ ℃ Notice — — — 4mm from mold body less than 5 sec Electrical And Optical Characteristics(Ta=25℃) Parameter Supply Voltage Supply Current Symbol Vcc Icc Condition DC voltage No signal input At the ray axis Ratings Min. Typ. Max. 2.7 — 12 6 — — — — — — — 38 940 45 5.5 1.5 — Unit V mA Reception Distance B.P.F Center Frequency Peak Wavelength Half Angle L In the range of 45°cone fo λp θ — — — 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 — — — — m KHz nm deg High Level Pulse Width TH 400 — 800 µS Low Level Pulse Width TL VH VL 400 — 800 µS V V High Level Output Voltage Low Level Output Voltage 4.5 — — — — 0.5 REV: 1.0 Page: 2of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020-NS Application Circuit 47Ω Infrared Emitting Diode IRM Vcc Out GND 47uF >10kΩ uC GND +5V 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 >10kΩ 5.0± 0.1V Fig.3 Measuring System + 10uF Standard Transmitter Standard Transmitter θ θ Vcc D.U.T GND Vout 100kΩ Vout Oscilloscope Vout Oscilloscope REV: 1.0 Page: 3 of 4 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BRM-1020-NS 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 R elative 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. A mbient Temperature 0.8 1.6 on Ton ,Toff -Output Pulse Length 1.4 0.6 off S upply Current 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 1 10 100 1000 10000 (mW/cm ) 0.0 -30 0 30 60 90 (° C) Irradiance Ambient Temperature Fig.8 Frequency Dependence of Responsivity 1.0 (m) 20 F ig.9 Arrival Distance Vs. Ambient Temperature 0.8 16 T ransmission 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