MC9S08QE32_09 Datasheet, PDF (26/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

Electrical Characteristics
3.11 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
1.8
—
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
3.12 ADC Characteristics
Table 16. 12-Bit ADC Operating Conditions
C Characteristic
Conditions
Symb
Min
Typical¹
Max
Unit Comment
Supply voltage Absolute
D
Delta to V_DD (V_DD –
V_DDAD)²
V_DDAD
1.8
—
3.6
V
—
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 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 > 4 MHz
f_ADCK < 4 MHz
C
10-bit mode
f_ADCK > 4 MHz
f_ADCK < 4 MHz
—
—
2
—
—
5
R_AS
—
—
5
kΩ
External to
MCU
—
—
10
8-bit mode (all valid f_ADCK)
—
—
10
ADC
High speed (ADLPC = 0)
0.4
—
8.0
D conversion
clock freq.
Low power (ADLPC = 1)
f_ADCK
0.4
—
MHz
4.0
—
1 _{Typical values assume VDDAD = 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.}
MC9S08QE32 Series MCU Data Sheet, Rev. 6
26
Freescale Semiconductor