LPC2458 NXP Semiconductors, LPC2458 Datasheet - Page 61

NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace

LPC2458

Manufacturer Part Number
LPC2458
Description
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer
NXP Semiconductors
Datasheet

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12. ADC electrical characteristics
Table 18.
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
LPC2458
Product data sheet
Symbol
V
C
E
E
E
E
E
R
DDA
IA
D
L(adj)
O
G
T
ia
vsi
Conditions: V
The ADC is monotonic, there are no missing codes.
The differential linearity error (E
The integral non-linearity (E
appropriate adjustment of gain and offset errors. See
The offset error (E
ideal curve. See
The gain error (E
error, and the straight line which fits the ideal transfer curve. See
The absolute error (E
ADC and the ideal transfer curve. See
See
= 2.5 V to 3.6 V; T
Figure
ADC static characteristics
Parameter
analog input voltage
analog input capacitance
differential linearity error
integral non-linearity
offset error
gain error
absolute error
voltage source interface
resistance
19.
SSA
Figure
G
= 0 V, V
O
) is the relative difference in percent between the straight line fitting the actual transfer curve after removing offset
) is the absolute difference between the straight line which fits the actual curve and the straight line which fits the
T
amb
) is the maximum difference between the center of the steps of the actual transfer curve of the non-calibrated
18.
DDA
=
L(adj)
= 3.3 V.
40
D
) is the peak difference between the center of the steps of the actual and the ideal transfer curve after
) is the difference between the actual step width and the ideal step width. See
C to +85
Figure
All information provided in this document is subject to legal disclaimers.
Conditions
18.
C unless otherwise specified; ADC frequency 4.5 MHz.
Rev. 4 — 1 September 2011
Figure
18.
Figure
18.
[1][2][3]
[1][4]
[1][5]
[1][6]
[1][7]
[8]
Min
0
-
-
-
-
-
-
-
Single-chip 16-bit/32-bit micro
Typ
-
-
-
-
-
-
-
-
Max
V
1
1
2
3
0.5
4
40
Figure
LPC2458
© NXP B.V. 2011. All rights reserved.
DDA
18.
Unit
V
pF
LSB
LSB
LSB
%
LSB
k
61 of 80

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