Datasheet

MC9S08QB8 Series MCU Data Sheet, Rev. 3
Electrical Characteristics
Freescale Semiconductor20
3.11 Analog Comparator (ACMP) Electricals
3.12 ADC Characteristics
Table 14. Analog Comparator Electrical Specifications
C Characteristic Symbol Min Typical Max Unit
D Supply voltage V
PWR
1.8 — 3.6 V
D Supply current (active) I
DDAC
—2035μA
D Analog input voltage V
AIN
V
SS
– 0.3 — V
DD
V
P Analog input offset voltage V
AIO
—2040mV
C Analog comparator hysteresis V
H
3.0 9.0 15.0 mV
P Analog input leakage current I
ALKG
——1.0μA
C Analog comparator initialization delay t
AINIT
——1.0μs
Table 15. 12-Bit ADC Operating Conditions
Characteristic Conditions Symbol Min Typical
1
1
Typical values assume V
DDA
= 3.0 V, Temp = 25 °C, f
ADCK
= 1.0 MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
Max Unit Comment
Supply voltage
Absolute V
DDA
1.8 — 3.6 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
Supply Current Stop, Reset, Module Off I
DDAD
—0.0070.8μA
Input Voltage V
ADIN
V
REFL
—V
REFH
V
Input
Capacitance
C
ADIN
—4.55.5pF
Input
Resistance
R
ADIN
—5 7kΩ
Analog Source
Resistance
12 bit mode
f
ADCK
> 4MHz
f
ADCK
< 4MHz
R
AS
—
—
—
—
2
5
kΩ External to MCU10 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