參數(shù)資料
型號(hào): LPC2220
廠商: NXP Semiconductors N.V.
英文描述: 16/32-bit ARM microcontrollers; flashless with 64 kB, with 10-bit ADC and external memory interface
中文描述: 16/32位 ARM微控制器;64KB的閃存;10位模數(shù)轉(zhuǎn)換和外部存儲(chǔ)器接口
文件頁數(shù): 34/49頁
文件大小: 255K
代理商: LPC2220
9397 750 14061
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02— 30 May 2005
34 of 49
Philips Semiconductors
LPC2210/2220
16/32-bit ARM microcontrollers with external memory interface
[1]
Conditions: V
SSA
= 0 V, V
DDA(3V3)
= 3.3 V.
The A/D is monotonic, there are no missing codes.
[2]
[3]
The differential non-linearity (E
D
) is the difference between the actual step width and the ideal step width. See
Figure 5
.
The integral no-linearity (E
L(adj)
) is the peak difference between the center of the steps of the actual and the ideal transfer curve after
appropriate adjustment of gain and offset errors. See
Figure 5
.
[4]
[5]
The offset error (E
O
) is the absolute difference between the straight line which fits the actual curve and the straight line which fits the
ideal curve. See
Figure 5
.
[6]
The gain error (E
G
) is the relative difference in percent between the straight line fitting the actual transfer curve after removing offset
error, and the straight line which fits the ideal transfer curve. See
Figure 5
.
[7]
The absolute voltage error (E
T
) is the maximum difference between the center of the steps of the actual transfer curve of the
non-calibrated A/D and the ideal transfer curve. See
Figure 5
.
Table 12:
V
DDA(3V3)
= 2.5 V to 3.6 V; T
amb
=
40
°
C to +85
°
C unless otherwise specified. A/D converter frequency 4.5 MHz.
Symbol
Parameter
Conditions
V
IA
analog input voltage
C
iss
analog input capacitance
E
D
differential non-linearity
E
L(adj)
integral non-linearity
E
O
offset error
E
G
gain error
E
T
absolute error
A/D converter static characteristics
Min
0
-
Typ
-
-
-
-
-
-
-
Max
V
DDA(3V3)
1
±
1
±
2
±
3
±
0.5
±
4
Unit
V
pF
LSB
LSB
LSB
%
LSB
[1] [2] [3]
-
[1] [4]
-
[1] [5]
-
[1] [6]
-
[1] [7]
-
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