Which ADC uses successive approximation? (i) Dual-slope ADC (ii) Integ

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Module 1: Introduction

20262m

Which ADC uses successive approximation?

(i) Dual-slope ADC
(ii) Integrating ADC
(iii) Flash ADC
(iv) SAR ADC

Worked SolutionAI Assisted

Answer: (iv) SAR ADC

SAR = Successive Approximation Register. It tests one bit at a time from MSB to LSB using a comparator and internal DAC, so an n-bit result needs n clock cycles.

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