LPC2148 Philips, LPC2148 Datasheet - Page 31

• Manufacturer Part Number: LPC2148
• Description: 16/32 Bit Microcontroller
• Manufacturer: Philips

Philips Semiconductors
Table 10:
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
Table 11:
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
9397 750 14985
Preliminary data sheet
Symbol Parameter
C
Z
Z
Symbol
V
C
E
E
E
E
E
a
DDA
DRV
PU
IA
D
L(adj)
O
G
T
IN
iss
=
Typical ratings are not guaranteed. The values listed are at room temperature (+25 °C), nominal supply voltages.
The RTC typically fails when V
Including voltage on outputs in 3-state mode.
V
3-state outputs go into 3-state mode when V
Accounts for 100 mV voltage drop in all supply lines.
Only allowed for a short time period.
Minimum condition for V
Includes external resistors of 18 W ± 1% on D+ and D−.
Conditions: V
The ADC is monotonic, there are no missing codes.
The differential non-linearity (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 voltage error (E
non-calibrated ADC and the ideal transfer curve. See
−
= 2.5 V to 3.6 V; T
[9]
DD
40
supply voltages must be present.
°
C to +85
transceiver capacitance
driver output resistance
pull-up resistance
Static characteristics
ADC static electrical characteristics
Parameter
analog input voltage
analog input
capacitance
differential
non-linearity
integral non-linearity
offset error
gain error
absolute error
SSA
°
Figure
G
= 0 V, V
C for commercial applications, unless otherwise specified.
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
a
=
4.
I
= 4.5 V, maximum condition for V
DDA
−
40
L(adj)
T
= 3.3 V.
) is the maximum difference between the center of the steps of the actual transfer curve of the
BAT
°
D
C to +85
) is the difference between the actual step width and the ideal step width. See
) is the peak difference between the center of the steps of the actual and the ideal transfer curve after
drops below 1.6 V.
…continued
Conditions
Conditions
pin to GND
steady state drive
SoftConnect = ON
°
C unless otherwise specified. ADC frequency 4.5 MHz.
DD
is grounded.
Rev. 01 — 22 June 2005
Figure
Figure
I
= 5.5 V.
4.
4.
Figure
4.
[1] [2]
[1] [4]
[1] [5]
[1] [6]
[1] [7]
[3]
Min
0
-
-
-
-
-
-
Min
-
29
1.1
Single-chip 16/32-bit microcontrollers
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
LPC2142/2148
Typ
-
-
-
-
-
-
-
Typ
-
-
-
[1]
Figure
Max
V
1
±1
±2
±3
±0.5
±4
DDA
Max
20
44
1.9
4.
Unit
V
pF
LSB
LSB
LSB
%
LSB
31 of 40
Unit
pF
Ω
kΩ