Converters (DAC and ADC)

Introduction

Analogue and Digital

Why are Converters needed?

Digital Signal Processing Basics

Example Application - Cellular Telephone

Analogue-to-Digital Conversion

Sampling

Holding the Sampled Value

Sample-and-Hold Circuit

Quantization

Sampling Example

Quantization Example

Operational Amplifier (Review)

Inverting Amplifier

Comparator

Integrator

Digital-to-Analogue-Converter (DAC)

R/2nR (Binary-Weighted-Input) DAC

R/2R DAC

DAC Testing

DAC Errors

ADC - Example Application

ADC Types - Flash ADC

Integrating ADC - Dual-Slope ADC

Successive Approximation ADC

Example - A 4-bit Conversion

Sigma-Delta ADC

Sigma-Delta ADC - Block Diagram

ADC Testing

ADC Errors

Example Application - Digital Voltmeter