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Introduction to ADC &
DAC
Presenter:- Nikhil Raut
RCOEM Nagpur
Engineeering- III Year
Email- rautnr_1@rknec.edu
MO: +919975380609
Microphone
Headphones
Loud Speaker
Sensors
(temperature,
pressure etc)
Computers/Laptops/ipa
d
Mobile Phone
MP3 Player
Digital Camera
INTRODUCTION TO ADC & DAC
There are two types of data converters:
# 1. Analogue to Digital Converter (ADC)
# 2. Digital to Analogue Converter (DAC)
TOPIC
• 1.What is ADC and DAC Why we use ADC and DAC ?
• 2.​ Conversion steps for analog to digital conversion (Sampling,
Quantization, and Encoding)
• 3.What is Quantization? What is Resolution of ADC ?
• 4. What is Sampling ?
• 5.Digital to Analog Converter
• 6. Types of ADC and DAC
STREAMING MUSIC ON SMARTPHONE
Quantization :- it is the Process of assigning a Sampled
Signal a Value from the discrete set of values.
Encoding
10100101101
RESOLUTION
Resoluti
on
2^n
R2R DAC
• PWM in DAC
• This is the type of DAC that most of us have used without even
knowing it!
• The popular Arduino microcontroller has the capability to output
analog signals using a PWM signal.
• On the outset the PWM signal looks like a binary waveform with only
high and low peaks with a variable duty cycle (ratio of on time to time
period).
ARDUINO MICROCONTROLLER BOARD
Introduction  to   ADC & DAC

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Introduction to ADC & DAC

  • 1. Introduction to ADC & DAC Presenter:- Nikhil Raut RCOEM Nagpur Engineeering- III Year Email- rautnr_1@rknec.edu MO: +919975380609
  • 2.
  • 4. INTRODUCTION TO ADC & DAC There are two types of data converters: # 1. Analogue to Digital Converter (ADC) # 2. Digital to Analogue Converter (DAC)
  • 5. TOPIC • 1.What is ADC and DAC Why we use ADC and DAC ? • 2.​ Conversion steps for analog to digital conversion (Sampling, Quantization, and Encoding) • 3.What is Quantization? What is Resolution of ADC ? • 4. What is Sampling ? • 5.Digital to Analog Converter • 6. Types of ADC and DAC
  • 6.
  • 7.
  • 8. STREAMING MUSIC ON SMARTPHONE
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19. Quantization :- it is the Process of assigning a Sampled Signal a Value from the discrete set of values. Encoding 10100101101
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 29. • PWM in DAC • This is the type of DAC that most of us have used without even knowing it! • The popular Arduino microcontroller has the capability to output analog signals using a PWM signal. • On the outset the PWM signal looks like a binary waveform with only high and low peaks with a variable duty cycle (ratio of on time to time period).