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| TSOP48..UH1 Vishay Telefunken Photo Modules for PCM Remote Control Systems Available types for different carrier frequencies Type TSOP4830UH1 TSOP4836UH1 TSOP4838UH1 TSOP4856UH1 fo 30 kHz 36 kHz 38 kHz 56 kHz Type TSOP4833UH1 TSOP4837UH1 TSOP4840UH1 fo 33 kHz 36.7 kHz 40 kHz Description The TSOP48..UH1 - series are miniaturized receivers for infrared remote control systems. PIN diode and preamplifier are assembled on lead frame, the epoxy package is designed as IR filter. The demodulated output signal can directly be decoded by a microprocessor. TSOP48..UH1 is the standard IR remote control receiver series, supporting all major transmission codes. 16 081 Features D Photo detector and preamplifier in one package D Internal filter for PCM frequency D Improved shielding against electrical field disturbance D Low power consumption D High immunity against ambient light D Continuous data transmission possible (800 bit/s) D TTL and CMOS compatibility D Output active low D Suitable burst length 10 cycles/burst Block Diagram 3 Input Control Circuit VS 30 kW 1 OUT PIN AGC Band Pass Demodulator 2 9612226 GND Document Number 82128 Rev. 3, 29-Mar-01 www.vishay.com 1 (7) TSOP48..UH1 Vishay Telefunken Absolute Maximum Ratings Tamb = 25_C Parameter Supply Voltage Supply Current Output Voltage Output Current Junction Temperature Storage Temperature Range Operating Temperature Range Power Consumption Soldering Temperature Test Conditions (Pin 2) (Pin 2) (Pin 1) (Pin 1) Symbol VS IS VO IO Tj Tstg Tamb Ptot Tsd Value -0.3...6.0 5 -0.3...6.0 5 100 -25...+85 -25...+85 50 260 Unit V mA V mA C C C mW C (Tamb 85 C) t 10 s, 1 mm from case x x Basic Characteristics Tamb = 25_C Parameter Supply Current ( y (Pin 3) ) Transmission Distance Supply Voltage Output Voltage Low (Pin 3) Irradiance (56 kHz) Irradiance (30-40 kHz) Irradiance Directivity Test Conditions VS = 5 V, Ev = 0 VS = 5 V, Ev = 40 klx, sunlight Ev = 0, test signal see fig.7, IR diode TSAL6200, IF = 250 mA IOSL = 0.5 mA,Ee = 0.7 Pulse width tolerance: tpii - 5/fo < tpo < tpi + 6/fo, test signal see fig.7 tpi - 5/fo < tpo < tpi + 6/fo Angle of half transmission distance mW/m2 Symbol ISD ISH d VS VOSL Ee min Ee min Ee max 1/2 Min 0.8 Typ 1.1 1.4 35 Max 1.5 Unit mA mA m V mV mW/m2 mW/m2 W/m2 deg 4.5 0.3 0.2 30 45 5.5 250 0.6 0.4 Application Circuit 100 W *) 3 TSOP48..UH1 TSAL62.. 1 4.7 mF *) >10 kW optional **) +5V mC 2 16255 GND *) recommended to suppress power supply disturbances **) The output voltage should not be hold continuously at a voltage below 3.3V by the external circuit. www.vishay.com 2 (7) Document Number 82128 Rev. 3, 29-Mar-01 TSOP48..UH1 Vishay Telefunken Suitable Data Format The circuit of the TSOP48..UH1 is designed in that way that unexpected output pulses due to noise or disturbance signals are avoided. A bandpassfilter, an integrator stage and an automatic gain control are used to suppress such disturbances. The distinguishing mark between data signal and disturbance signal are carrier frequency, burst length and duty cycle. The data signal should fullfill the following condition: * Carrier frequency should be close to center frequency of the bandpass (e.g. 38kHz). * Burst length should be 10 cycles/burst or longer. * After each burst which is between 10 cycles and 70 cycles a gap time of at least 14 cycles is necessary. * For each burst which is longer than 1.8ms a corresponding gap time is necessary at some time in the data stream. This gap time should be at least 4 times longer than the burst. * Up to 800 short bursts per second can be received continuously. * DC light (e.g. from tungsten bulb or sunlight) * Continuous signal at 38kHz or at any other frequency * Signals from fluorescent lamps with electronic ballast with high or low modulation (see Figure A or Figure B). Some examples for such disturbance signals which are suppressed by the TSOP48..UH1 are: Some examples for suitable data format are: NEC Code, Toshiba Micom Format, Sharp Code, RC5 Code, RC6 Code, R-2000 Code. When a disturbance signal is applied to the TSOP48..UH1 it can still receive the data signal. However the sensitivity is reduced to that level that no unexpected pulses will occure. 0 5 10 time [ms] 15 20 Figure A: IR Signal from Fluorescent Lamp with low Modulation 0 5 10 time [s] 15 20 Figure B: IR Signal from Fluorescent Lamp with high Modulation Document Number 82128 Rev. 3, 29-Mar-01 www.vishay.com 3 (7) TSOP48..UH1 Vishay Telefunken Typical Characteristics (Tamb = 25_C unless otherwise specified) Ee min - Threshold Irradiance ( mW/m2 ) 1.0 / E - Rel. Responsitivity e 0.8 2.0 f ( E ) = f0 1.6 1.2 0.8 0.4 0.0 0.7 94 8143 0.6 0.4 0.2 0.0 0.8 0.9 1.0 1.1 1.2 1.3 f / f0 - Relative Frequency Df ( 3 dB ) = f0 / 10 f = f0 "5% eE min 0.0 94 8147 0.4 0.8 1.2 1.6 2.0 E - Field Strength of Disturbance ( kV / m ) Figure 1. Frequency Dependence of Responsivity 1.0 0.9 tpo - Output Pulse Length (ms) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.1 96 12110 Figure 4. Sensitivity vs. Electric Field Disturbances 10 f = f0 1 kHz Input burst duration Ee min - Threshold Irradiance ( mW/m2 ) 10 kHz 1 l = 950 nm, optical test signal, fig.7 100 Hz 1.0 10.0 100.0 1000.0 10000.0 mW/m2 ) 94 9106 0.1 0.01 0.1 1 10 100 1000 Ee - Irradiance ( DVs RMS - AC Voltage on DC Supply Voltage ( mV ) Figure 2. Sensitivity in Dark Ambient 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0.01 0.10 1.00 10.00 100.00 Ambient, l = 950 nm Correlation with ambient light sources ( Disturbance effect ) : 10W/m2 ( Stand.illum.A, T = 2855 K )^8.2 klx ( Daylight, T = 5900 K ) Figure 5. Sensitivity vs. Supply Voltage Disturbances 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -30 -15 0 15 30 45 60 75 90 Sensitivity in dark ambient E e min - Threshold Irradiance (mW/m2 ) ^1.4klx E e min - Threshold Irradiance (mW/m2 ) 96 12111 E - DC Irradiance (W/m2) 96 12112 Tamb - Ambient Temperature ( C ) Figure 3. Sensitivity in Bright Ambient Figure 6. Sensitivity vs. Ambient Temperature www.vishay.com 4 (7) Document Number 82128 Rev. 3, 29-Mar-01 TSOP48..UH1 Vishay Telefunken Optical Test Signal Ee (IR diode TSAL6200, IF = 0.4 A, 30 pulses, f = f0, T = 10 ms) 1.0 T on ,T - Output Pulse Length (ms) off 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.1 1.0 l = 950 nm, optical test signal, fig.8 Ton t tpi * * tpi w T 10/fo is recommended for optimal function 16110 Toff VO VOH VOL Output Signal 1) 2) 7/f0 < td < 15/f0 tpo = tpi 6/f0 t tpo2 ) " 10.0 100.0 1000.0 10000.0 td1 ) 96 12114 Ee - Irradiance (mW/m2) Figure 7. Output Function Ee Optical Test Signal S ( l ) rel - Relative Spectral Sensitivity 1.2 1.0 0.8 0.6 0.4 0.2 Figure 10. Output Pulse Diagram 600 ms T = 60 ms 600 ms t 94 8134 VO VOH VOL Output Signal, ( see Fig.10 ) 0 750 Ton Toff t 94 8408 850 950 1050 1150 l - Wavelength ( nm ) Figure 8. Output Function 0.8 f = 38 kHz 0.7 Envelope Duty Cycle 0.6 0.5 0.4 0.3 0.2 Figure 11. Relative Spectral Sensitivity vs. Wavelength 0 10 20 30 40 1.0 0.9 0.8 0.7 50 60 70 80 0.6 96 12223p2 0.1 0 10 16156 20 30 40 50 60 70 80 90 Burstlength [number of cycles/burst] 0.6 0.4 0.2 0 0.2 0.4 drel - Relative Transmission Distance Figure 9. Max. Envelope Duty Cycle vs. Burstlength Figure 12. Directivity Document Number 82128 Rev. 3, 29-Mar-01 www.vishay.com 5 (7) TSOP48..UH1 Vishay Telefunken Dimensions in mm 14433 www.vishay.com 6 (7) Document Number 82128 Rev. 3, 29-Mar-01 TSOP48..UH1 Vishay Telefunken Ozone Depleting Substances Policy Statement It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ( ODSs ). The Montreal Protocol ( 1987 ) and its London Amendments ( 1990 ) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency ( EPA ) in the USA 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively. Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423 Document Number 82128 Rev. 3, 29-Mar-01 www.vishay.com 7 (7) |
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