lpc1778 NXP Semiconductors, lpc1778 Datasheet - Page 94

• Manufacturer Part Number: lpc1778
• Description: 32-bit Arm Cortex-m3 Microcontroller; Up To 512 Kb Flash And 96 Kb Sram; Usb Device/host/otg; Ethernet; Lcd; Emc
• Manufacturer: NXP Semiconductors

NXP Semiconductors
12. ADC electrical characteristics
LPC178x_7x
Objective data sheet
Table 24.
Values listed describe design constraints.
Table 25.
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
Symbol
T
Output (chip to SD/MMC card)
Input (SD/MMC card to chip)
Symbol
V
C
E
E
E
E
E
R
f
f
clk(ADC)
c(ADC)
Fig 29. SD/MMC timing
DDA
cy(clk)
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
See
The integral non-linearity (E
the ideal transfer curve after appropriate adjustment of gain and offset errors. See
The offset error (E
straight line which fits the ideal curve. See
The gain error (E
curve after removing offset error, and the straight line which fits the ideal transfer curve. See
The absolute error (E
curve of the non-calibrated ADC and the ideal transfer curve. See
See
= 2.7 V to 3.6 V; T
Figure
Figure
Parameter
analog input voltage
analog input
capacitance
differential linearity
error
integral non-linearity
offset error
gain error
absolute error
voltage source
interface resistance
ADC clock frequency
ADC conversion
frequency
Dynamic characteristics: SD/MMC
ADC characteristics
Parameter
clock cycle time
30.
31.
SSA
All information provided in this document is subject to legal disclaimers.
G
= 0 V, V
O
) is the relative difference in percent between the straight line fitting the actual transfer
) is the absolute difference between the straight line which fits the actual curve and the
T
amb
) is the maximum difference between the center of the steps of the actual transfer
Rev. 00.04 — 8 July 2010
DDA
=
L(adj)
−
= 3.3 V.
40
D
) is the peak difference between the center of the steps of the actual and
) is the difference between the actual step width and the ideal step width.
°
Conditions
for SD/MMC
clock on pin
SD_CLK
Conditions
C to +85
Figure
°
C unless otherwise specified.
30.
32-bit ARM Cortex-M3 microcontroller
[1][2][3]
[1][4]
[1][5]
[1][6]
[1][7]
Min
40
[8]
Min
0
-
-
-
-
-
-
-
-
-
Figure
Typ
<tbd>
30.
LPC178x/7x
Typ
-
-
-
-
±2
-
-
-
-
-
Figure
© NXP B.V. 2010. All rights reserved.
Max
-
Max
V
<tbd>
<tbd>
<tbd>
-
<tbd>
<tbd>
<tbd>
<tbd>
400
DDA
30.
Figure
94 of 112
Unit
ns
Unit
V
pF
LSB
LSB
LSB
%
LSB
kΩ
MHz
kHz
30.