Datasheet

Appendix A Electrical Characteristics
MC9S08DZ128 Series Data Sheet, Rev. 1
Freescale Semiconductor 431
A.9 ADC Characteristics
Table A-9. 5 Volt 12-bit ADC Operating Conditions
Characteristic Conditions Symb Min Typ
1
1
Typical values assume VDDAD = 5.0V, Temp = 25C, fADCK=1.0MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
Max Unit Comment
Supply voltage Absolute V
DDA
2.7 — 5.5 V
Delta to V
DD
(V
DD
-V
DDA
)
2
2
DC potential difference.
ΔV
DDA
-100 0 +100 mV
Ground voltage Delta to V
SS
(V
SS
-V
SSA
)
2
ΔV
SSA
-100 0 +100 mV
Ref Voltage
High
V
REFH
2.7 V
DDA
V
DDA
V • Applicable only
in 100-pin and
64-pin
packages.
Ref Voltage
Low
V
REFL
V
SSA
V
SSA
V
SSA
V • Applicable only
in 100-pin and
64-pin
packages.
Input Voltage V
ADIN
V
REFL
—V
REFH
V
Input
Capacitance
C
ADIN
— 4.5 5.5 pF
Input
Resistance
R
ADIN
—3 5kΩ
Analog Source
Resistance
12 bit mode
f
ADCK
> 4MHz
f
ADCK
< 4MHz
R
AS
—
—
—
—
2
5
kΩ External to MCU
10 bit mode
f
ADCK
> 4MHz
f
ADCK
< 4MHz
—
—
—
—
5
10
8 bit mode (all valid f
ADCK
)——10
ADC
Conversion
Clock Freq.
High Speed (ADLPC=0) f
ADCK
0.4 — 8.0 MHz
Low Power (ADLPC=1) 0.4 — 4.0