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EPC110 Datasheet(PDF) 3 Page - Espros Photonics corp |
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EPC110 Datasheet(HTML) 3 Page - Espros Photonics corp |
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3 / 27 page  epc110 SPI Interface Data (for more details refer to “SPI Interface“) Symbol Parameter Conditions/Comments Values Units Min. Typ. Max. fSCK SCK Clock frequency 10 MHz tH High period of SCK 50 ns tL Low period of SCK 50 ns trfSCK Serial clock rise / fall time of SCK 20 ns t1 Edge time CS --> SCK 50 ns tSU Set-up time of SI 15 ns thold Hold time of SI 15 ns tD Output data of SO valid after SCK 20 ns trf Output data rise / fall time of SO 20 ns Other Data (refer to “Functional Description“) Symbol Parameter Conditions/Comments Para- meter Values Units Min. Typ. Max. IPDN Photo Current Sensitivity OUTN Pulse height to trigger internal threshold OUTN. Refer to Functional Description SENSN Programmable between 24...108 nA IPDH Photo Current Sensitivity OUTH Pulse height to trigger internal threshold OUTH. Refer to Functional Description SENSH Programmable between 60...144 nA Ipulse Maximum Input Pulse Current If the input current pulse is above this level, the recovery time tREC becomes trelax . (refer to parameter trelax) 100 µA 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 TPULSE Programmable between 1…8 µs tCycle LED Cycle Time for fork light barrier, standalone mode TPER Programmable between 5…100'000 µs for fork light barrier, controlled mode controlled by EN input trelax Recovery time after a strong current pulse (Ipulse = 100µA) 50 µs tR Response Time Minimum time from light beam detection to status change of the output OUTN or OUTH. tR_MAX = ( nV + 1 ) * tCycle refer to tCycle / nV Programmable between 10µs...3.3s tF Release Time (fall time) Minimum time from beam interruption to status change of the output OUTN or OUTH. tF_MAX = ( nM + 1 ) * tCycle refer to tCycle / nM Programmable between 10µs...54.6min nV Valid pulse counts Number of weighted valid (non-missing) pulses to trigger the output. Refer to Functional Description INC (Programmable between 1…32 pulses) nM Missing pulse counts Number of weighted missing pulses to release the output. Refer to Functional Description DEC (Programmable between 1…32'767 pulses) © 2011 ESPROS Photonics Corporation Characteristics subject to change without notice 3 Datasheet epc110 - V2.1 www.espros.ch |
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