Datasheet

Appendix A Electrical Characteristics
MC9S08JM60 Series Data Sheet, Rev. 3
Freescale Semiconductor 359
Figure A-5. ADC Input Impedance Equivalency Diagram
ADC
Conversion
Clock Freq.
High Speed (ADLPC=0)
f
ADCK
0.4 — 8.0
MHz
Low Power (ADLPC=1)
0.4 — 4.0
1
Typical values assume V
DDAD
= 5.0 V, Temp = 25°C, f
ADCK
= 1.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
2
DC potential difference.
Table A-9. 5 Volt 12-bit ADC Operating Conditions (continued)
Characteristic Conditions Symb Min Typ
1
Max Unit Comment
+
–
+
–
V
AS
R
AS
C
AS
V
ADIN
Z
AS
Pad
leakage
due to
input
protection
Z
ADIN
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
R
ADIN
ADC SAR
ENGINE
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
INPUT PIN
R
ADIN
C
ADIN
INPUT PIN
R
ADIN
INPUT PIN
R
ADIN