Motore di ricerca datesheet componenti elettronici |
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LM211D Scheda tecnica(PDF) 6 Page - ON Semiconductor |
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LM211D Scheda tecnica(HTML) 6 Page - ON Semiconductor |
6 / 10 page LM211, LM311 http://onsemi.com 6 8 8 Figure 15. Power Supply Current versus Temperature APPLICATIONS INFORMATION Figure 16. Improved Method of Adding Hysteresis Without Applying Positive Feedback to the Inputs Figure 17. Conventional Technique for Adding Hysteresis TA, TEMPERATURE (°C) 2.2 1.8 1.4 1.0 −55 −25 0 25 50 75 100 125 Positive and Negative Supply − Output High Postive Supply − Output Low +15 V 82 3.0 k 33 k 5.0 k C1 0.002 mF 6 2 R1 R2 C2 Input 34 1 7 −15 V 5 4.7 k LM311 0.1 mF Output + − 0.1 mF +15 V 3.0 k 5.0 k C1 6 3 R1 R2 C2 Input 24 1 7 −15 V 5 4.7 k LM311 0.1 mF Output + − 0.1 mF 510 k 1.0 M 100 100 3.0 2.6 VCC = +15 V VEE = −15 V Figure 18. Zero−Crossing Detector Driving CMOS Logic Figure 19. Relay Driver with Strobe Capability VCC = +15 V 3.0 k 10 k VCC 5.0 k LM311 Inputs VEE VEE = −15 V Output to CMOS Logic Balance Adjust Balance Input GND *D1 VCC2 VCC1 VEE VEE VCC Output Inputs LM311 GND 1.0k Q1 Balance/Strobe 2N2222 or Equivalent *Zener Diode D1 protects the comparator from inductive kickback and voltage transients on the VCC2 supply line. TTL Strobe + + |
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