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Introduction To Operational Amplifiers

Introduction To Operational Amplifiers. Electronic Design Laboratory. Overview. Non-Inverting Op Amp Open-Loop & Closed Loop Frequency Response Slew Rate Limiting. Non-Inverting. + -. Vin =V + V -. V out. V + = V - V in = V out • R 1 /(R 1 + R 2 ). R 2. R 1.

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Introduction To Operational Amplifiers

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  1. Introduction To Operational Amplifiers Electronic Design Laboratory

  2. Overview • Non-Inverting Op Amp • Open-Loop & Closed Loop Frequency Response • Slew Rate Limiting

  3. Non-Inverting + - Vin =V+ V- Vout V+ = V- Vin = Vout• R1/(R1 + R2) R2 R1

  4. Dominate Pole Frequency Response 20Log Av -20 dB/decade Aopen-loop fclosed-loop 0 dB Log f fopen-loop See page 764 in text

  5. Vout time Compensation Capacitance Saturated BJT or Linear MOSFET Imax Slew-Rate Limited Output Internal Compensation Capacitor Vin time

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