Chapter 15, ANALOG-TO-DIGITAL CONVERTERS Video Solutions, Operational Amplifiers and Linear Integrated Circuits

Problem 1

A 10-bit A/D converter is capable of accepting an input voltage 0 to $5.12 \mathrm{~V}$. What is the digital output code if the input voltage is $2.4 \mathrm{~V}$ ?

Averell Hause

Carnegie Mellon University

Problem 2

If the 8-bit A/D converter of Example 15-2 has an offset error of $-\frac{1}{2}$ LSB, what analog input voltage will cause the digital output to be all 1s?

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Note that the A/D converter of Example 15-1 has an offset error of $+\frac{1}{2}$ LSB and a gain error of $-0.4 \%$ of FSR. What is the analog input voltage needed to cause the digital output to be all $1 \mathrm{~s}$ ?

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02:28

Problem 4

Name three types of ADCs and indicate their relative conversion speeds (slow or fast).

Darshan Maheshwari

Numerade Educator

03:08

Problem 5

$V_{\text {in }}=50 \mathrm{mV}$ in the integrating ADC circuit of Fig. 15-5.
(a) What is the duration for integrating phase $T_1$ and the value of $V_o$ ?
(b) What is the name of phase $T_2$, the value of $V_{\text {ref }}$, and the duration of $T_2$ ?
(c) Find the circuit output.

Khoobchandra Agrawal

Numerade Educator

Operational Amplifiers and Linear Integrated Circuits

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