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Analog Digital Conversion

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Analog Digital Conversion. Basics. Characteristics of converters . Static Transfer. Ideal Quantizer. Unipolar and bipolar Quantizer error. Linearity. Offset and gain error. Differential nonlinearity. Differential nonlinearity. Large DNL. Integral Nonlinearity. ADC INL and DNL.

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Analog Digital Conversion

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Presentation Transcript

  1. Analog Digital Conversion

  2. Basics

  3. Characteristics of converters • Static Transfer

  4. Ideal Quantizer

  5. Unipolar and bipolar Quantizer error

  6. Linearity

  7. Offset and gain error

  8. Differential nonlinearity

  9. Differential nonlinearity

  10. Large DNL

  11. Integral Nonlinearity

  12. ADC INL and DNL

  13. DAC DNL and INL

  14. Measurements of static Characteristics on ADC

  15. Code Boundary Servo

  16. Code Boundary Servo

  17. Histogram Testing

  18. Histogram Setup

  19. Ideal 3 bits ADC

  20. Sample 3 bits ADC

  21. DNL from Histogram

  22. Dynamic PerformanceCode Density Test - DCT

  23. Quantization noise

  24. Quantization noise

  25. Signal to noise ratio

  26. Effective number of bits ENOB

  27. Effective number of bits ENOB

  28. Effective number of bits ENOB

  29. AD conversion classification

  30. Converters Architectures

  31. ADC -Flash

  32. Folding Converters

  33. Two step converter

  34. 2 stage subranging ADC

  35. More on Subranging ADC

  36. Recycling converter

  37. Pipeline converter

  38. 3 bit pipelining ADC Basic Architecture

  39. Basic Block

  40. Example

  41. DAC + Logics ADC • Counting • Successive approximation

  42. Successive Approximation

  43. Dual Slope

  44. The Voltage-to-Frequency (V-f) Converter

  45. Oversampling ADC

  46. Sigma-Delta Modulators

  47. 1st Order Delta Sigma Modulator

  48. Simulation

  49. A SIMPLE FIRST ORDER DELTA-SIGMA CONVERTER

  50. Digital Analog Converters

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