LPC2157_2158 NXP Semiconductors, LPC2157_2158 Datasheet - Page 35

• Manufacturer Part Number: LPC2157_2158
• Description: The LPC2157/2158 is a multi-chip module consisting of a LPC2138/2148 single-chipmicrocontroller combined with a PCF8576D Universal LCD driver in a low-cost 100-pinpackage
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 8.
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
LPC2157_2158_2
Product data sheet
Symbol
V
C
E
E
E
E
E
R
DDA
IA
D
L(adj)
O
G
T
ia
vsi
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
= 2.5 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
8.
Figure
G
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
7.
= 40 C to +85 C unless otherwise specified; ADC frequency 4.5 MHz.
L(adj)
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
7.
Conditions
V
V
V
V
V
SSA
SSA
SSA
SSA
SSA
= 0 V, V
= 0 V, V
= 0 V, V
= 0 V, V
= 0 V, V
Rev. 02 — 9 February 2009
Figure
DDA
DDA
DDA
DDA
DDA
7.
= 3.3 V
= 3.3 V
= 3.3 V
= 3.3 V
= 3.3 V
Figure
7.
Single-chip 16-bit/32-bit microcontrollers
[1][2]
[3]
[4]
[5]
[6]
[7]
Min
0
-
-
-
-
-
-
-
LPC2157/2158
Typ
-
-
-
-
-
-
-
-
Max
V
1
40
Figure
© NXP B.V. 2009. All rights reserved.
1
2
3
0.5
4
DDA
7.
Unit
V
pF
LSB
LSB
LSB
%
LSB
k
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