Datasheet

ADuC7128/ADuC7129
Rev. 0 | Page 21 of 92
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
f
S
= 774kSPS
06020-008
Figure 12. 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 20001000 3000 4000
f
S
=1MSPS
06020-009
Figure 13. 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
–0.4
–0.6
–0.7
–0.8
–0.9
–1.0
1.0 1.5 2.0 2.5 3.0
WCN
WCP
06020-010
Figure 14. Typical Worst Case 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 20001000 3000 4000
f
S
= 774kSPS
06020-011
Figure 15. 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
f
S
= 1MSPS
06020-012
Figure 16. 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
WCN
WCP
06020-013
Figure 17. Typical Worst Case DNL Error vs. V
REF
, f
S
= 774 kSPS