MC9S08QE8_11 Datasheet, PDF (25/52 Pages) Freescale Semiconductor, Inc – Up to 20 MHz CPU at 3.6 V to 1.8 V across temperature range of –40 °C to 85 °C

Electrical Characteristics
Table 15. Analog Comparator Electrical Specifications (continued)
C
Characteristic
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_AIN
V_AIO
V_H
I_ALKG
t_AINIT
Min
V_SS – 0.3
—
3.0
—
—
Typical
—
20
9.0
—
—
Max
Unit
V_DD
V
40
mV
15.0
mV
1.0
A
1.0
s
3.12 ADC Characteristics
Table 16. 12-Bit ADC Operating Conditions
Characteristic
Conditions
Symb
Min Typical¹ Max Unit
Comment
Supply voltage Absolute
V_DDA
1.8
—
3.6
V
—
Delta to V_DD (V_DD – V_DDA)² V_DDA
–100
0
100
mV
—
Ground voltage Delta to V_SS (V_SS – V_SSA)² V_SSA
–100
0
100
mV
—
Input voltage —
V_ADIN
V_REFL
—
V_REFH
V
—
Input
capacitance
—
C_ADIN
—
4.5
5.5
pF
—
Input
resistance
—
R_ADIN
—
5
7
k
—
Analog source
resistance
12-bit mode
f_ADCK > 4 MHz
f_ADCK < 4 MHz
—
—
2
—
—
5
10-bit mode
f_ADCK > 4 MHz
f_ADCK < 4 MHz
R_AS
—
—
k External to MCU
5
—
—
10
8-bit mode (all valid f_ADCK)
—
—
10
ADC
High speed (ADLPC = 0)
0.4
—
8.0
conversion
clock freq.
Low power (ADLPC = 1)
f_ADCK
0.4
—
MHz
4.0
—
1 _{Typical values assume VDDA = 3.0 V, Temp = 25 C, fADCK=1.0 MHz unless otherwise stated. Typical values are for reference}
only and are not tested in production.
2 _{DC potential difference.}
MC9S08QE8 Series Data Sheet, Rev. 8
Freescale Semiconductor
25