tsop22.. vishay telefunken 1 (7) rev. 4, 30-mar-01 www.vishay.com document number 82095 photo modules for pcm remote control systems available types for different carrier frequencies type fo type fo TSOP2230 30 khz tsop2233 33 khz tsop2236 36 khz tsop2237 36.7 khz tsop2238 38 khz tsop2240 40 khz tsop2256 56 khz description the tsop22.. 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. the main benefit is the reliable function even in disturbed ambient and the protection against uncontrolled output pulses. 14 500 features photo detector and preamplifier in one package internal filter for pcm frequency ttl and cmos compatibility output active low improved shielding against electrical field disturbance suitable burst length 10 cycles/burst special features small size package high immunity against disturbance light no occurrence of disturbance pulses at the output short settling time after power on (<200 s) contiunous data transmission possible ( 800 bursts/s) block diagram 14318 pin input agc control circuit band pass demodu- lator 30 k 3 2 1 v s out gnd
tsop22.. vishay telefunken rev. 4, 30-mar-01 www.vishay.com document number 82095 2 (7) absolute maximum ratings t amb = 25 c parameter test conditions symbol value unit supply voltage (pin 2) v s 0.3...6.0 v supply current (pin 2) i s 5 ma output voltage (pin 1) v o 0.3...6.0 v output current (pin 1) i o 5 ma junction temperature t j 100 c storage temperature range t stg 25...+85 c operating temperature range t amb 25...+85 c power consumption (t amb 85 c) p tot 50 mw soldering temperature t 10 s, 1 mm from case t sd 260 c basic characteristics t amb = 25 c parameter test conditions symbol min typ max unit su pp ly current (pin 2) v s = 5 v, e v = 0 i sd 0.8 1.1 1.5 ma supply current (pin 2) v s = 5 v, e v = 40 klx, sunlight i sh 1.4 ma supply voltage (pin 2) v s 4.5 5.5 v transmission distance e v = 0, test signal see fig.7, ir diode tsal6200, i f = 250 ma d 35 m output voltage low (pin 1) i ol = 0.5 ma,e e = 0.7 mw/m 2 , f = f o v ol 250 mv irradiance (30 40 khz) pulse width tolerance: t pi 5/f o < t po < t pi + 6/f o , test signal see fig.7 e e min 0.2 0.4 mw/m 2 irradiance (56 khz) pulse width tolerance: t pi 5/f o < t po < t pi + 6/f o , test signal see fig.7 e e min 0.3 0.5 mw/m 2 irradiance e e max 30 w/m 2 directivity angle of half transmission distance j 1/2 45 deg application circuit 16133 tsal62.. tsop22.. 2 1 3 4.7 f *) c >10 k optional 100 *) +5v *) recommended to suppress power supply disturbances gnd **) **) the output voltage should not be hold continuously at a voltage below 3.3v by the external circuit.
tsop22.. vishay telefunken 3 (7) rev. 4, 30-mar-01 www.vishay.com document number 82095 suitable data format the circuit of the tsop22... 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 neccessary. ? 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. some examples for suitable data format are: nec code, toshiba micom format, sharp code, rc5 code, rc6 code, r2000 code. when a disturbance signal is applied to the tsop22... it can still receive the data signal. however the sensitivity is reduced to that level that no unexpected pulses will occure. some examples for such disturbance signals which are suppressed by the tsop22... are: ? 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). 0 5 10 15 20 time [ms] figure a: ir signal from fluorescent lamp with low modulation 0 5 10 15 20 time [s] figure b: ir signal from fluorescent lamp with high modulation
tsop22.. vishay telefunken rev. 4, 30-mar-01 www.vishay.com document number 82095 4 (7) typical characteristics (t amb = 25 c unless otherwise specified) 0.7 0.8 0.9 1.0 1.1 e / e rel. responsitivity e min f/f 0 relative frequency 1.3 94 8143 0.0 0.2 0.4 0.6 0.8 1.0 e 1.2 f = f 0 5% f ( 3 db ) = f 0 /10 figure 1. frequency dependence of responsivity 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.1 1.0 10.0 100.0 1000.0 10000.0 e e irradiance ( mw/m 2 ) 96 12110 po t output pulse length (ms) input burst duration = 950 nm, optical test signal, fig.7 figure 2. sensitivity in dark ambient 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.01 0.10 1.00 10.00 100.00 e dc irradiance (w/m 2 ) 96 12111 e min e threshold irradiance (mw/m ) 2 correlation with ambient light sources ( disturbance effect ) : 10w/m 2 1.4 klx ( stand.illum.a, t = 2855 k ) 8.2 klx ( daylight, t = 5900 k ) ambient, = 950 nm figure 3. sensitivity in bright ambient 0.0 0.4 0.8 1.2 1.6 0.0 0.4 0.8 1.2 2.0 e field strength of disturbance ( kv / m ) 2.0 94 8147 1.6 e threshold irradiance ( mw/m ) e min 2 f(e)=f 0 figure 4. sensitivity vs. electric field disturbances 0.01 0.1 1 10 100 0.1 1 10 1000 94 9106 v srms ac voltage on dc supply voltage ( mv ) e threshold irradiance ( mw/m ) e min 2 f = f 0 10 khz 100 hz 1 khz figure 5. sensitivity vs. supply voltage disturbances 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 30 15 0 15 30 45 60 75 90 t amb ambient temperature ( c ) 96 12112 e min e threshold irradiance (mw/m ) 2 sensitivity in dark ambient figure 6. sensitivity vs. ambient temperature
tsop22.. vishay telefunken 5 (7) rev. 4, 30-mar-01 www.vishay.com document number 82095 e e t t pi * t * t pi 10/fo is recommended for optimal function v o v oh v ol t 16110 optical test signal (ir diode tsal6200, i f = 0.4 a, 30 pulses, f = f 0 , t = 10 ms) output signal t d 1 ) t po 2 ) 1 ) 7/f 0 < t d < 15/f 0 2 ) t po = t pi 6/f 0 figure 7. e e t v o v oh v ol t 600 s 600 s t = 60 ms t on t off 94 8134 optical test signal output signal , ( see fig.10 ) figure 8. output function 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 10 20 30 40 50 60 70 80 90 burstlength [number of cycles/burst] 16156 envelope duty cycle f = 38 khz figure 9. max. envelope duty cycle vs. burstlength 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.1 1.0 10.0 100.0 1000.0 10000.0 e e irradiance (mw/m 2 ) 96 12114 on off t ,t output pulse length (ms) t on = 950 nm, optical test signal, fig.8 t off figure 10. output pulse diagram 750 850 950 1050 0 0.2 0.4 0.6 0.8 1.2 s ( ) relative spectral sensitivity rel wavelength ( nm ) 1150 94 8408 1.0 figure 11. relative spectral sensitivity vs. wavelength 96 12223p2 0.4 0.2 0 0.2 0.4 0.6 0.6 0.9 0 30 10 20 40 50 60 70 80 1.0 0.8 0.7 d rel relative transmission distance figure 12. directivity
tsop22.. vishay telefunken rev. 4, 30-mar-01 www.vishay.com document number 82095 6 (7) dimensions in mm 13655
tsop22.. vishay telefunken 7 (7) rev. 4, 30-mar-01 www.vishay.com document number 82095 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
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