Datasheet

LPC2131_32_34_36_38 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5.1 — 29 July 2011 33 of 45
NXP Semiconductors
LPC2131/32/34/36/38
Single-chip 16/32-bit microcontrollers
(1) Example of an actual transfer curve.
(2) The ideal transfer curve.
(3) Differential linearity error (E
D
).
(4) Integral non-linearity (E
L(adj)
).
(5) Center of a step of the actual transfer curve.
Fig 11. ADC characteristics
1023
1022
1021
1020
1019
(2)
(1)
10241018 1019 1020 1021 1022 1023
7123456
7
6
5
4
3
2
1
0
1018
(5)
(4)
(3)
1 LSB
(ideal)
code
out
offset
error
E
O
gain
error
E
G
offset error
E
O
V
IA
(LSB
ideal
)
002aae604
V
i(VREF)
− V
SSA
1024
1 LSB =