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MC9S08QE8_09 Datasheet, PDF (25/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit | |||
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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
VAIN
VAIO
VH
IALKG
tAINIT
Min
VSS â 0.3
â
3.0
â
â
Typical
â
20
9.0
â
â
Max
VDD
40
15.0
1.0
1.0
Unit
V
mV
mV
μA
μs
3.12 ADC Characteristics
Table 16. 12-Bit ADC Operating Conditions
Characteristic
Conditions
Symb
Min Typical1 Max Unit
Comment
Supply voltage Absolute
VDDA
1.8
â
3.6
V
â
Delta to VDD (VDD â VDDA)2 ÎVDDA
â100
0
100
mV
â
Ground voltage Delta to VSS (VSS â VSSA)2 ÎVSSA
â100
0
100
mV
â
Input voltage â
VADIN
VREFL
â
VREFH
V
â
Input
capacitance
â
CADIN
â
4.5
5.5
pF
â
Input
resistance
â
RADIN
â
5
7
kΩ
â
Analog source
resistance
12-bit mode
fADCK > 4 MHz
fADCK < 4 MHz
â
â
2
â
â
5
10-bit mode
fADCK > 4 MHz
fADCK < 4 MHz
RAS
â
â
kΩ External to MCU
5
â
â
10
8-bit mode (all valid fADCK)
â
â
10
ADC
High speed (ADLPC = 0)
0.4
â
8.0
conversion
clock freq.
Low power (ADLPC = 1)
fADCK
0.4
â
MHz
4.0
â
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. 7
Freescale Semiconductor
25
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