MC9S08QG8_09 Datasheet, PDF (284/314 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

Appendix A Electrical Characteristics
A.9 Analog Comparator (ACMP) Electricals
Table A-12. Analog Comparator Electrical Specifications
Characteristic
Supply voltage
Supply current (active)
Analog input voltage
Analog input offset voltage
Analog comparator hysteresis
Analog input leakage current
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
—
μA
V_DD
V
40
mV
15.0
mV
1.0
μA
1.0
μs
A.10 ADC Characteristics
Table A-13. 3 Volt 10-bit ADC Operating Conditions
Characteristic
Conditions
Symbol
Min
Typical¹
Max
Unit Comment
Supply voltage
Absolute
V_DD
1.8
—
3.6
V
Input voltage
V_ADIN
V_SS
—
V_DD
V
Input capacitance
C_ADIN
—
4.5
5.5
pF
Input resistance
R_ADIN
—
5
7
kΩ
Analog source
resistance
10 bit mode
f_ADCK > 4MHz
f_ADCK < 4MHz
R_AS
—
—
kΩ External to
5
MCU
—
—
10
8 bit mode (all valid f_ADCK)
—
—
10
ADC conversion High Speed (ADLPC=0)
f_ADCK
0.4
—
8.0
MHz
clock frequency
Low Power (ADLPC=1)
0.4
—
4.0
1 _{Typical values assume VDD = 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.
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
282
Freescale Semiconductor