Datasheet

ADuC841/ADuC842/ADuC843
Rev. 0 | Page 13 of 88
ADC CODES
–1.0
0 511
LSBs
1023 2047 2559 3071
–0.8
1535 3583
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
AV
DD
/DV
DD
= 5V
f
S
= 400kHz
CD = 4
4095
03260-0-098
Figure 7. Typical INL Error, V
DD
= 5 V, f
S
= 400 kHz
ADC CODES
–1.0
0 511
LSBs
1023 2047 2559 3071
–0.8
1535 3583
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
AV
DD
/DV
DD
= 3V
f
S
= 400kHz
CD = 4
4095
03260-0-099
Figure 8. Typical INL Error, V
DD
= 3 V, f
S
= 400 kHz
EXTERNAL REFERENCE (V)
1.2
WCP–INL (LSBs)
0.8
0.4
0
–0.4
–0.6
1.0
0.6
0.2
–0.2
AV
DD
/DV
DD
= 5V
f
S
= 152kHz
0.5 1.0 1.5 2.0 2.5 5.0
0.6
0.4
0
–0.4
–0.6
0.2
–0.2
WCN–INL (LSBs)
WCN INL
WCP INL
03260-0-007
Figure 9. Typical Worst-Case INL Error vs. V
REF
, V
DD
= 5 V
EXTERNAL REFERENCE (V)
WCP–INL
(LSBs)
0.8
0.4
0
–0.4
–0.8
0.6
0.2
–0.2
AV
DD
/DV
DD
= 3V
f
S
= 152kHz
0.5 1.5 2.5
WCN–INL
(LSBs)
–0.6
0.8
0.4
0
–0.4
–0.8
0.6
0.2
–0.2
–0.6
3.02.01.0
WCN INL
WCP INL
03260-0-008
Figure 10. Typical Worst-Case INL Error vs. V
REF
, V
DD
= 3 V
ADC CODES
1.0
511 1023 1535 2047 2559
LSBs
0.6
0.2
–0.2
–0.6
–1.0
0.8
0.4
0
–0.4
–0.8
3071 35830 4095
AV
DD
/DV
DD
= 5V
f
S
= 152kHz
03260-0-009
Figure 11. Typical DNL Error, V
DD
= 5 V
ADC CODES
1.0
511 1023 1535 2047 2559
LSBs
0.6
0.2
–0.2
–0.6
–1.0
0.8
0.4
0
–0.4
–0.8
3071 35830 4095
AV
DD
/DV
DD
= 3V
f
S
= 152kHz
03260-0-010
Figure 12. Typical DNL Error, V
DD
= 3 V