Match List I with List II
List I |
List II |
A. Simplest type of ADC |
1. Flash-type ADC |
B. Fastest ADC |
2. dual-slope type ADC |
C. Slowest ADC |
3. counter-type ADC |
D. Most widely used ADC |
4. Successive – approximation type ADC |
Choose the correct answer from the options given below:
Parameters |
Flash type ADC |
Successive Approximation type ADC |
Dual Slope type ADC |
CONVERSION TIME |
Shortest |
Moderately long |
Longest |
SPEED |
Fastest |
Faster than the dual-slope |
Slowest |
ACCURACY OF CONVERSION |
Less accurate |
Moderately accurate |
Very accurate |
COST |
Very costly |
Moderately high |
Low |
ADVANTAGES |
High speed and no input hold time |
Constant conversion of time, good speed |
High accuracy low cost |
DISADVANTAGES |
Low accuracy, high cost |
Not many |
Long conversion time, low speed |
APPLICATIONS |
All high-speed applications such as CRO, fiber optic communication |
All data acquisition systems |
All those application which need very high accuracy |
Counter type ADC:
IMPORTANT POINTS:
Comparison (best to worst)
Resolution |
Speed |
Dual-slope integrating |
Flash |
Counter |
Tracking |
Tracking |
Successive Approximation |
Successive approximation |
Counter |
Flash |
Dual-slope integrating |