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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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EPC111 датащи(PDF) 3 Page - Espros Photonics corp |
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EPC111 датащи(HTML) 3 Page - Espros Photonics corp |
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3 / 14 page  epc111/112 Other Data Symbol Parameter Conditions/Comments Types Values Units Min. Typ. Max. IPDN Photo Current Sensitivity OUTN Pulse height to trigger internal threshold OUTN. Refer to Functional Description epc111 60 nA epc112 108 IPDH Photo Current Sensitivity OUTH Pulse height to trigger internal threshold OUTH. Refer to Functional Description epc111 96 nA epc112 144 Ipulse Maximum Input Pulse Current If the input current pulse is above this level, the recovery time tREC becomes trelax . (refer to parameter trelax) epc111 100 µA epc112 100 IN_Imin Input related noise @ IPDDC =0 15 nA RMS IN_Imax Input related noise @ IPDDC =IPDDCMax 20 nA RMS IPDDC DC Photo Diode Current generated by ambient light with no effect to the sensitivity 0.0 2 mA CPD Photodiode Capacitance Refer to section Application Information, Photodiode Capacitance 50 pF tPulse LED Pulse Length epc111 2 µs epc112 1 tCycle LED Cycle Time epc111 100 µs epc112 10 trelax Recovery time after a strong current pulse (Ipulse = 100µA) epc111 50 µs epc112 50 tR Response Time Minimum time from light beam detection to status change of the output OUTN or OUTH. tR_MAX = ( nV + 1 ) * tCycle epc111 800 900 µs epc112 30 40 tF Release Time (fall time) Minimum time from beam interruption to status change of the output OUTN or OUTH. tF_MAX = ( nM + 1 ) * tCycle epc111 800 900 µs epc112 20 30 nV Valid pulse counts Number of valid (non-missing) pulses to trigger the output. Refer to Functional Description epc111 8 epc112 3 nM Missing pulse counts Number of missing pulses to release the output. Refer to Functional Description epc111 8 epc112 2 Other Parameters (typical values, Tamb = 25°C, VDD = 3.3V) 0 1 2 3 4 5 6 40 50 60 70 80 90 100 110 120 Pulse width [us] Figure 2: Input Sensitivity vs. LED pulse width © 2011 ESPROS Photonics Corporation Characteristics subject to change without notice 3 Datasheet epc111_112 - V2.2 www.espros.ch |
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