Datasheet

Data Sheet ADuC7019/20/21/22/24/25/26/27/28/29
Rev. F | Page 35 of 104
TYPICAL PERFORMANCE CHARACTERISTICS
ADC CODES
(LSB)
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 20001000 3000
4000
04955-075
f
S
= 774kSPS
Figure 28. Typical INL Error, f
S
= 774 kSPS
ADC CODES
(LSB)
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 2000
1000 3000 4000
04955-077
f
S
= 1MSPS
Figure 29. Typical INL Error, f
S
= 1 MSPS
EXTERNAL REFERENCE (V)
(LSB) (LSB)
1.0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0
–0.1
–0.2
–0.3
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
1.0 1.5 2.0 2.5
3.0
04955-072
WCN
WCP
Figure 30. Typical Worst-Case (Positive (WCP) and Negative (WCN))
INL Error vs. V
REF
, f
S
= 774 kSPS
ADC CODES
(LSB)
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 2000
1000
3000 4000
04955-074
f
S
= 774kSPS
Figure 31. Typical DNL Error, f
S
= 774 kSPS
ADC CODES
(LSB)
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0
20001000 3000
4000
04955-076
f
S
= 1MSPS
Figure 32. Typical DNL Error, f
S
= 1 MSPS
EXTERNAL REFERENCE (V)
(LSB) (LSB)
0
–1.0
–0.9
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0 1.5 2.0 2.5 3.0
04955-071
WCN
WCP
Figure 33. Typical Worst-Case (Positive (WCP )and Negative (WCN))
DNL Error vs. V
REF
, f
S
= 774 kSPS