pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 379

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
7.0 Device Specifications
Internal Inputs Accuracy
Full Scale Voltage
Input Voltage Range
Analog Input Leakage Current
Analog Input Resistance
Analog Input Capacitance
ADC Clock Frequency
ADC Enable Delay
Voltage Conversion Duration
1. All parameters specified for 0 C
2. The difference between 0V and the actual voltage value for code 000
3. XXX
4. The difference between
5. The maximum difference between the ideal (straight) conversion line and the actual conversion curve, not
6. The maximum difference between an ideal step size (1 LSB) and any actual step size.
7. No missing codes.
8. Total unadjusted error (includes the offset, gain, integral non-linearity and quantization ( 0.5 LSB) errors).
9. The internal power supply inputs: V
10. Input Voltage allowed in normal operation. Linear range is as defined for the different measurement modes.
11. Time from the moment when ADCEN=1 in ADCCNF register until the beginning of the “ADC cycle”.
XXX
including the offset, gain and quantization ( 0.5 LSB) errors.
L
B
= Inputs AD0-9, Low Scale; XXX
= Input AD13.
Parameter
11
8, 9
1023
/
1024 *
(Continued)
Symbol
IACU
IACU
T
V
V
V
V
F
V
R
C
t
A
DD,
V
END
t
I
FSH
FSB
FSV
CLK
FSL
VC
FS
AL
AIN
AIN
IN
V
70 C and AV
B
V
and the actual voltage for code 3FF
H
CC,
= Inputs AD0-9, High Scale; XXX
AV
0.9V
AD0-9: 0
CC.
AD0-9 High Scale
AD0-9 Low Scale
0.1V
AD0-9, AD13
Conditions
AD10-12:
V
AD10-12
CC
379
Note
AD13:
IN
AD13
= 3.3V
V
V
IN
AV
10
IN
CC
V
1
AV
FS
5% unless otherwise specified.
0.2
CC
16
.
Min
16
0
4
V
.
= Inputs AD10-12;
1.000
3.000
4.000
4.000
Typ
0.5
AV
Max
TBD
100
8.2
2
2
1
CC
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MHz
Unit
LSB
LSB
ms
pF
V
V
V
V
V
A
s