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Design of Opamps

Design of Opamps. INEL5265 G.O. Ducoudray. Boundary Conditions. Process specs Supply Voltage and Range Supply Current and range Operating temperature and range. Requirements. Gain Gain bandwidth (GB) Settling time Slew Rate Input Common Mode Range (ICMR)

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Design of Opamps

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  1. Design of Opamps INEL5265 G.O. Ducoudray

  2. Boundary Conditions • Process specs • Supply Voltage and Range • Supply Current and range • Operating temperature and range

  3. Requirements • Gain • Gain bandwidth (GB) • Settling time • Slew Rate • Input Common Mode Range (ICMR) • Common Mode rejection Ratio (CMMR) • Power-supply rejection ratio (PSRR) • Output Voltage swing • Output Resistance • Offset • Noise • Layout Area

  4. Important Equations • This equations aid in the design of differential pairs

  5. Classification of OPAMPS Conversion Hierarchy Voltage to Current Current to Voltage Voltage to Current Current to Voltage First voltage stage Second voltage stage

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