AT83SND1C Datasheet, PDF (37/42 Pages) ATMEL Corporation – Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface

AT8xC51SND1C
22.4.4.3
Waveforms
Figure 22-20. Analog to Digital Converter Internal Waveforms
CLK
ADEN Bit
ADSST Bit
T_EHSH
T_CLCL
T_SHSL
Figure 22-21. Analog to Digital Converter Characteristics
Code Out
1023
1022
1021
1020
1019
1018
Ideal Transfer curve
Offset Gain
Error Error
OSe Ge
7
Example of an actual transfer curve
6
5
Center of a step
4
Integral non-linearity (ILe)
3
Differential non-linearity (DLe)
2
1
1 LSB
(ideal)
0
0
1234567
1018 1019 1020 1021 1022 1023 1024
AVIN
(LSB ideal)
Offset
Error OSe
4109JS–8051–10/06
199