LPC1758 NXP Semiconductors, LPC1758 Datasheet - Page 59

• Manufacturer Part Number: LPC1758
• Description: (LPC1751 - LPC1758) 32-bit ARM Cortex-M3 MCU up to 512 kB flash and 64 kB SRAM
• Manufacturer: NXP Semiconductors

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12. ADC electrical characteristics
Table 18.
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
LPC1758_56_54_52_51_2
Objective data sheet
Symbol
V
C
E
E
E
E
E
R
SR
T
t
ADC
DDA
IA
D
L(adj)
O
G
T
cy(ADC)
ia
vsi
in
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
and the ideal transfer curve. See
See
= 2.7 V to 3.6 V; T
Figure
ADC characteristics
Parameter
analog input voltage
analog input capacitance
differential linearity error
integral non-linearity
offset error
gain error
absolute error
voltage source interface
resistance
input slew rate
ADC clock cycle time
ADC conversion time
29.
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 ADC
28.
DDA
= 40 C to +85 C unless otherwise specified; ADC frequency <tbd>.
L(adj)
= 3.3 V.
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
Figure
28.
Conditions
Rev. 02 — 11 February 2009
Figure
28.
Figure
28.
[1][2][3]
[1][4]
[1][5]
[1][6]
[1][7]
[8]
LPC1758/56/54/52/51
Min
0
-
-
-
-
-
-
-
<tbd>
<tbd>
<tbd>
32-bit ARM Cortex-M3 microcontroller
Typ
-
-
2
1
-
-
-
-
<tbd>
<tbd>
<tbd>
Max
V
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
Figure
© NXP B.V. 2009. All rights reserved.
DDA
28.
Unit
V
pF
LSB
LSB
LSB
%
LSB
k
V/ms
ns
ns
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