"Chapter 1 - The Op Amp's Place in the World" - HTL Wien 10

Analog Output Value
Figure 14–9. Differential Nonlinearity Error
14.5.1.4 Integral Nonlinearity Error
6
5
4
3
2
1
1 LSB
0
000 001 010 011 100 101
Digital Input Code
D/A Converter Errors and Parameters
1 LSB
DNL Error (–1/4 LSB)
DNL Error (+1/4 LSB)
The integral nonlinearity error is similar to the differential nonlinearity error, except it is a
first-order effect that stretches across the entire range from 0 to full scale output voltage
(Figure 14–10).
Analog Output Value
Figure 14–10. Integral Nonlinearity Error
7
6
5
4
3
2
1
At Step 001
(1/4 LSB)
At Step 011
(1/2 LSB)
End-Point
Linear Error
0
000 001 010 011 100 101 110 111
Digital Input Code
Interfacing D/A Converters to Loads
14-13