Datenblatt-Suchmaschine für elektronische Bauteile |
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LM4917 Datenblatt(PDF) 5 Page - National Semiconductor (TI) |
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LM4917 Datenblatt(HTML) 5 Page - National Semiconductor (TI) |
5 / 18 page External Components Description (Figure 1) Components Functional Description 1. R i Inverting input resistance which sets the closed-loop gain in conjunction with R f. This resistor also forms a high-pass filter with C i at fc =1/(2 πR iCi). 2. C i Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a high-pass filter with R i at fc =1/(2 πR iCi). Refer to the section Proper Selection of External Components, for an explanation of how to determine the value of C i. 3. R f Feedback resistance which sets the closed-loop gain in conjunction with R i. 4. C 1 Flying capacitor. Low ESR ceramic capacitor ( ≤100mΩ) 5. C 2 Output capacitor. Low ESR ceramic capacitor ( ≤100mΩ) 6. C 3 Tantalum capacitor. Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing section for information concerning proper placement and selection of the supply bypass capacitor. 7. C 4 Ceramic capacitor. Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing section for information concerning proper placement and selection of the supply bypass capacitor. www.national.com 5 |
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Ähnliche Beschreibung - LM4917 |
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