

Analog and Digital Converters - Technical MCQs
Q1: The practical use of binary-weighted digital-to-analog converters is limited to:A
R/2R ladder D/A converters
B
4-bit D/A converters
C
8-bit D/A converters
D
op-amp comparators
ANS:B - 4-bit D/A converters The binary-weighted DAC, which contains individual electrical components for each bit of the DAC connected to a summing point. These precise voltages or currents sum to the correct output value. This is one of the fastest conversion methods but suffers from poor accuracy because of the high precision required for each individual voltage or current. Such high-precision components are expensive, so this type of converter is usually limited to 8-bit resolution or less. |


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