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MC9S12P32CFT Datasheet, PDF (514/566 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers | |||
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Electrical Characteristics
Table A-15. ATD Electrical Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C
Rating
Symbol
Min
1 C Max input source resistance(1)
2 D Total input capacitance Non sampling
Total input capacitance Sampling
3 D Input internal Resistance
RS
â
CINN
â
CINS
â
RINA
-
4 C Disruptive analog input current
INA
-2.5
5 C Coupling ratio positive current injection
Kp
â
6 C Coupling ratio negative current injection
Kn
â
1. 1 Refer to A.2.2.2 for further information concerning source resistance
Typ
Max
Unit
â
1
Kâ¦
â
10
pF
â
16
5
15
kâ¦
â
2.5
mA
â
1E-4
A/A
â
5E-3
A/A
A.2.3 ATD Accuracy
Table A-16. and Table A-17. specifies the ATD conversion performance excluding any errors due to
current injection, input capacitance and source resistance.
S12P-Family Reference Manual, Rev. 1.13
514
Freescale Semiconductor
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