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LM4950TS Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM4950TS Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 30 page LM4950 www.ti.com SNAS174E – JULY 2003 – REVISED MAY 2013 Figure 4. Typical Stereo Single-Ended (SE) Audio Amplifier Application Circuit External Components Description See Figure 1. Components Functional Description This is the inverting input resistance that, along with RF, sets the closed-loop gain. Input resistance RIN and input 1. RIN capacitance CIN form a high pass filter. The filter's cutoff frequency is fc = 1/(2πRINCIN). This is the input coupling capacitor. It blocks DC voltage at the amplifier's inverting input. CIN and RIN create a highpass 2. CIN filter. The filter's cutoff frequency is fC = 1/(2πRINCIN). Refer to SELECTING EXTERNAL COMPONENTS, for an explanation of determining CIN's value. 3. RF This is the feedback resistance that, along with Ri, sets closed-loop gain. The supply bypass capacitor. Refer to the POWER SUPPLY BYPASSING for information about properly placing, and 4. CS selecting the value of, this capacitor. This capacitor filters the half-supply voltage present on the BYPASS pin. Refer to SELECTING EXTERNAL 5. CBYPASS COMPONENTS for information about properly placing, and selecting the value of, this capacitor. Copyright © 2003–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM4950 |
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