MC9S08DZ128 Datasheet, PDF (431/458 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix A Electrical Characteristics
A.9
ADC Characteristics
Table A-9. 5 Volt 12-bit ADC Operating Conditions
Characteristic
Conditions
Symb
Min
Typ¹
Max Unit
Comment
Supply voltage
Ground voltage
Ref Voltage
High
Absolute
Delta to V_DD (V_DD-V_DDA)²
Delta to V_SS (V_SS-V_SSA)²
V_DDA
ΔV_DDA
ΔV_SSA
V_REFH
2.7
-100
-100
2.7
—
0
0
V_DDA
5.5
+100
+100
V_DDA
V
mV
mV
V
• Applicable only
in 100-pin and
64-pin
packages.
Ref Voltage
Low
V_REFL
V_SSA
V_SSA
V_SSA
V
• Applicable only
in 100-pin and
64-pin
packages.
Input Voltage
Input
Capacitance
V_ADIN
V_REFL
—
V_REFH
V
C_ADIN
—
4.5
5.5
pF
Input
Resistance
R_ADIN
—
3
5
kΩ
Analog Source
Resistance
12 bit mode
f_ADCK > 4MHz
f_ADCK < 4MHz
R_AS
—
—
—
—
kΩ
External to MCU
2
5
10 bit mode
f_ADCK > 4MHz
f_ADCK < 4MHz
—
—
5
—
—
10
8 bit mode (all valid f_ADCK)
—
—
10
ADC
Conversion
Clock Freq.
High Speed (ADLPC=0)
Low Power (ADLPC=1)
f_ADCK
0.4
—
8.0
MHz
0.4
—
4.0
1 _{Typical values assume VDDAD = 5.0V, Temp = 25C, fADCK=1.0MHz unless otherwise stated. Typical values are for reference}
only and are not tested in production.
2 _{DC potential difference.}
MC9S08DZ128 Series Data Sheet, Rev. 1
Freescale Semiconductor
431