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Introduction of high speed operational amplifier from ADI

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- 1. HIGH SPEED OPERATIONAL AMPLIFIERS <ul><li>Source: ANALOG DEVICES </li></ul>
- 2. Introduction <ul><li>Purpose </li></ul><ul><ul><li>This module introduce the high speed operational amplifiers. </li></ul></ul><ul><li>Outline </li></ul><ul><ul><li>Introduce the technology of voltage feedback (VFB) Operational Amplifiers and current feedback (CFB) Operational Amplifiers </li></ul></ul><ul><ul><li>Recommend some high speed operational amplifiers. </li></ul></ul><ul><li>Contents </li></ul><ul><ul><li>26 pages </li></ul></ul><ul><li>Duration </li></ul><ul><ul><li>15 Minutes </li></ul></ul>
- 3. Amplifier Bandwidth vs. Supply Current
- 4. Voltage Feedback (VFB) OP AMP
- 5. Simplified Current Feedback (CFB) Op Amp
- 6. AD8011 Frequency Response G = +1 +2 +10
- 7. AD8011 CFB OP AMP Key Specifications
- 8. Simplified Two-stage CFB OP AMP
- 9. Current Feedback OP AMP Family
- 10. Summary: Current Feedback OP AMPS <ul><li>CFB yields higher FPBW and lower distortion than VFB for the same process and power dissipation </li></ul><ul><li>Inverting input impedance of a CFB op amp is low, non-inverting input impedance is high </li></ul><ul><li>Closed-loop bandwidth of a CFB op amp is determined by the internal dominant-pole capacitance and the external feedback resistor, independent of the gain-setting resistor </li></ul>
- 11. Noise Gain and Signal Gain Comparison
- 12. Increasing The Noise Gain without Affecting Signal Gain
- 13. Noise Gain Stability Analysis for VFB and CFB Op Amps with Feedback Capacitor
- 14. Current "Noise Gain" Definition for CFB Op Amp For Use in Stability Analysis
- 15. Sallen-key Filter Configuration Either CFB or VFB Op Amps can be used in the sallen-key filter configuration.
- 16. Multiple Feedback 20MHz Lowpass Filter using AD8048 VFB OP AMP
- 17. Compensating for Input Capacitance in a Current-to-voltage Converter using VFB Op Amp
- 18. Compensating for Input Capacitance in a Current-to-voltage Converter using CFB Op Amp
- 19. Current-to-Voltage Converter Example Low inverting input impedance of CFB op amp makes it relatively insensitive to input capacitance when used as a current-to-voltage converter
- 20. Low Inverting Input Impedance Of CFB Op Amp Low inverting input impedance of CFB op amp helps reduce amplitude of fast DAC transients.
- 21. Op Amp Noise Model for a First-Order Circuit With Resistive Feedback
- 22. Referring All Noise Sources to the Output
- 23. AD8011 Output Noise Analysis
- 24. Noise Figure of an Op Amp
- 25. High Speed Op Amp Noise Summary
- 26. Additional Resource <ul><li>For ordering the high speed operational amplifiers , please click the part list or </li></ul><ul><li>Call our sales hotline </li></ul><ul><li>For additional inquires contact our technical service hotline </li></ul><ul><li>For more product information go to </li></ul><ul><li>http://www.analog.com/en/amplifiers-and-comparators/operational-amplifiers-op-amps/products/index.html </li></ul>

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