MC9S08QE128 Datasheet, PDF (30/52 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit

Electrical Characteristics
3.10.4 Analog Comparator (ACMP) Electricals
Table 15. Analog Comparator Electrical Specifications
C
Characteristic
D Supply voltage
P Supply current (active)
D Analog input voltage
P Analog input offset voltage
C Analog comparator hysteresis
P Analog input leakage current
C Analog comparator initialization delay
Symbol
V_DD
I_DDAC
V_AIN
V_AIO
V_H
I_ALKG
t_AINIT
Min
1.80
—
V_SS – 0.3
3.0
—
—
Typical
—
20
—
20
9.0
—
—
Max
Unit
3.6
V
35
μA
V_DD
V
40
mV
15.0
mV
1.0
μA
1.0
μs
3.10.5 ADC Characteristics
Table 16. 12-bit ADC Operating Conditions
C Characteristic
Conditions
Symb
Min
Typ¹
Max Unit
Comment
Supply voltage Absolute
V_DDAD
1.8
—
3.6
V
D
Delta to V_DD (V_DD-V_DDAD)²
ΔV_DDAD
-100
0
+100 mV
D Ground voltage Delta to V_SS (V_SS-V_SSAD)² ΔV_SSAD
-100
0
+100 mV
D Ref Voltage High
V_REFH
1.8
V_DDAD V_DDAD
V
D Ref Voltage Low
V_REFL
V_SSAD V_SSAD V_SSAD
V
D Input Voltage
V_ADIN
V_REFL
—
V_REFH
V
C
Input
Capacitance
C_ADIN
—
4.5
5.5
pF
C Input Resistance
R_ADIN
—
5
7
kΩ
Analog Source
Resistance
12 bit mode
f_ADCK > 4MHz
f_ADCK < 4MHz
R_AS
—
—
—
—
kΩ External to MCU
2
5
C
10 bit mode
f_ADCK > 4MHz
f_ADCK < 4MHz
—
—
5
—
—
10
8 bit mode (all valid f_ADCK)
—
—
10
ADC Conversion High Speed (ADLPC=0)
D _{Clock Freq.}
Low Power (ADLPC=1)
f_ADCK
0.4
—
8.0
MHz
0.4
—
4.0
1 _{Typical values assume VDDAD = 3.0V, Temp = 25°C, fADCK=1.0MHz unless otherwise stated. Typical values are for reference}
only and are not tested in production.
2 _{DC potential difference.}
MC9S08QE128 Series Advance Information Data Sheet, Rev. 3
30
Freescale Semiconductor