DAC

Question 1

Is the device which converts digital signals to analog ones.

Answer 1

DIGITAL TO ANALOG CONVERSION (DAC)

Question 2

Most of _ consist of a network of resistors and analog switches.

Answer 2

DIGITAL TO ANALOG CONVERSION (DAC)

Question 3

The switches control the currents or voltages that are derived from a particular reference voltage and provide analog output current.

Answer 3

DIGITAL TO ANALOG CONVERSION (DAC)

Question 4

Types of DACs
- WERGEFREP

Answer 4

Weighted resistor DAC
R-2R DAC
General purpose DAC (DAC 0800)
Frequency to voltage converter
Pulse width modulation

Question 5

The highest resistance value is __ and thus requires an area inside the IC less 8 times than that of the weighted resistor DAC which highest resistance is 16R

Answer 5

2R
R-2R DAC

Question 6

R-2R
The DAC analog output is represented by ___.
This is the ratio of the input code to the full scale voltage (Vref) as given in the following equation

Answer 6

current

Question 7

R-2R
An __ is needed to convert the current to voltage level.

Answer 7

operational amplifier

Question 8

• It is clear that is is an 8-bit DAC with 16 pins IC.
• The conversion time is around 100ns.

Answer 8

THE GENERAL PURPOSE (DAC 0800)