Data Sheet
ADuC7019/20/21/22/24/25/26/27/28/29
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
1.0
fS = 774kSPS
0.8
fS = 774kSPS
0.8
0.6
0.4
0.6
0.4
0.2
0.2
0
0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1000
2000
3000
4000
0
1000
2000
3000
4000
ADC CODES
ADC CODES
Figure 28. Typical INL Error, fS = 774 kSPS
Figure 31. Typical DNL Error, fS = 774 kSPS
1.0
0.8
1.0
0.8
fS = 1MSPS
fS = 1MSPS
0.6
0.6
0.4
0.4
0.2
0.2
0
0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1000
2000
3000
4000
0
1000
2000
3000
4000
ADC CODES
ADC CODES
Figure 29. Typical INL Error, fS = 1 MSPS
Figure 32. Typical DNL Error, fS = 1 MSPS
1.0
0
–0.1
0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
–0.2
–0.3
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
WCN
WCP
WCP
WCN
1.0
1.5
2.0
2.5
3.0
1.0
1.5
2.0
2.5
3.0
EXTERNAL REFERENCE (V)
EXTERNAL REFERENCE (V)
Figure 30. Typical Worst-Case (Positive (WCP) and Negative (WCN))
INL Error vs. VREF, fS = 774 kSPS
Figure 33. Typical Worst-Case (Positive (WCP )and Negative (WCN))
DNL Error vs. VREF, fS = 774 kSPS
Rev. F | Page 35 of 104
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