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HCPL-2503-000E Folha de dados(PDF) 11 Page - AVAGO TECHNOLOGIES LIMITED |
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HCPL-2503-000E Folha de dados(HTML) 11 Page - AVAGO TECHNOLOGIES LIMITED |
11 / 12 page Figure7.Testcircuitfortransientimmunityandtypicalwaveforms Figure8.Recommendedcircuits RecommendedOperation TheHCPL-2503optocouplerisspecifiedforuseinLSTTL- to-LSTTLandTTL-to-LSTTLinterfaces.Therecommended circuits show the interface design and give suggested componentvalues.TheinputcurrentIFisgivenasboth a nominal value and a range. The range in IF results from the tolerances in VCC and the input resistor RIN. The CTR of the optocoupler is given as the minimum HCPL-2503 fig 8 IO RIN RL 8 1 7 2 6 3 5 4 VCC2 VCC1 IF HCPL-2503 7404 74LS04 7405 74LS05 74LS04 74LS05 A B A) TYPICAL NON-INVERTING CIRCUIT IO RIN RL 8 1 7 2 6 3 5 4 VCC2 VCC1 IF HCPL-2503 7405 74LS05 74LS04 74LS05 A B B) TYPICAL INVERTING CIRCUIT (SEE NOTE 10) HCPL-2503 fig 7 VO IF RL A HP 8007 PULSE GEN. VCM + VFF VO VOL VO 0 V 10% 90% 10% 90% SWITCH AT A: I = 0 mA F SWITCH AT B: I = 16 mA F VCM tr tf 5 V +5 V – 10 V tr, tf = 8 ns 8 1 7 2 6 3 5 4 B initial value over temperature, taken directly from the ElectricalSpecifications.ThevaluegivenforIOL(min)is basedontheminimumCTRandtheminimumIFusing worstcasevaluesforRLandVCC.TheresultingIOL(min) hasampledesignmargin,allowingmorethan20%for CTR degradation even under these worst case condi- tions. For additional information on CTR degradation seeApplication Note 1002. |
Nº de peça semelhante - HCPL-2503-000E |
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Descrição semelhante - HCPL-2503-000E |
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