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The number of inputs that can be connected at a time to an ADC that is integrated with successive approximation is

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The number of inputs that can be connected at a time to an ADC that is integrated with successive approximation is

(a) 4

(b) 2

(c) 8

(d) 16

This question was posed to me in a job interview.

This is a very interesting question from Interfacing Analog to Digital Data Converters topic in portion Basic Peripherals and their Interfacing with 8086/88 of Microprocessor

1 Answer

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by (49.2k points)
The correct option is (c) 8

The explanation is: As these converters internally have 3:8 analog multiplexer, at a time 8 different analog inputs can be connected to the chip.

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