Post on 17-Dec-2015
ADC: Analog Digital Converters Successive Approximation Register (SAR)
Successive Approximation Register (SAR)
Sample and Hold Amplifier (SHA)
Cap charges to input voltage HOLDS it.
Time to Settle Down
Sets max speed of SHA
Binary Search
Vin
Advantages of SAR ADC
Accurate
Relatively Small
Sampling Rate
Image Credit• http://
www.maximintegrated.com/en/app-notes/index.mvp/id/1080• http://
www.analog.com/static/imported-files/tutorials/MT-090.pdf
• Sunix.com• Neil Young (Sample and Hold) https://
www.youtube.com/watch?v=vgjnHdsQFZM• The Samples (Nothing lasts for long)https://www.youtube.com/watch?v=WURwbU2Gd64