Datasheet

Appendix A Electrical Characteristics
MC9S08QD4 Series MCU Data Sheet, Rev. 6
188 Freescale Semiconductor
A.9 ADC Characteristics
Table A-10. ADC Characteristics
Characteristic Conditions Symb Min Typ
1
Max Unit Comment
Supply Current
ADLPC = 1
ADLSMP = 1
ADCO = 1
V
DDAD
< 3.6 V (3.0 V Typ)
I
DDAD
— 110 —
μA
Over
temperature
(Typ 25°C)
V
DDAD
< 5.5 V (5.0 V Typ) — 130 —
Supply Current
ADLPC = 1
ADLSMP = 0
ADCO = 1
V
DDAD
< 3.6 V (3.0 V Typ)
I
DDAD
— 200 —
μA
V
DDAD
< 5.5 V (5.0 V Typ) — 220 —
Supply Current
ADLPC = 0
ADLSMP = 1
ADCO = 1
V
DDAD
< 3.6 V (3.0 V Typ)
I
DDAD
— 320 —
μA
V
DDAD
< 5.5 V (5.0 V Typ) — 360 —
Supply Current
ADLPC = 0
ADLSMP = 0
ADCO = 1
V
DDAD
< 3.6V (3.0 V Typ)
I
DDAD
— 580 —
μA
V
DDAD
< 5.5V (5.0 V Typ) — 660 —
Supply Current Stop, Reset, Module Off I
DDAD
— <1 100 nA
Ref Voltage High V
REFH
2.7 V
DDAD
V
DDAD
V
Ref Voltage Low V
REFL
V
SSAD
V
SSAD
V
SSAD
V
ADC Conversion
Clock
High Speed (ADLPC = 0)
f
ADCK
0.4 — 8.0
MHz
t
ADCK
=
1/f
ADCK
Low Power (ADLPC = 1) 0.4 — 4.0
ADC Asynchronous
Clock Source
High Speed (ADLPC = 0)
f
ADACK
2.5 4 6.6
MHz
t
ADACK
=
1/f
ADACK
Low Power (ADLPC = 1) 1.25 2 3.3
Conversion Time Short Sample (ADLSMP = 0)
t
ADC
20 20 23
t
ADCK
cycles
Add 2 to 5
t
Bus
=1/f
Bus
cycles
Long Sample (ADLSMP = 1) 40 40 43
Sample Time Short Sample (ADLSMP = 0)
t
ADS
444
t
ADCK
cycles
Long Sample (ADLSMP = 1) 24 24 24
Input Voltage V
ADIN
V
REFL
—V
REFH
V
Input Capacitance C
ADIN
— 7 10 pF Not Tested
Input Impedance R
ADIN
—515kΩ Not Tested
Analog Source
Impedance
R
AS
——10
(2)
kΩ
External to
MCU
Ideal Resolution
(1
LSB)
10 bit mode
RES
2.637 4.883 5.371
mV
V
REFH
/2
N
8 bit mode 10.547 19.53 21.48
Total Unadjusted
Error
10 bit mode
E
TUE
0 ±1.5 ±3.5
LSB
Includes
quantization
8 bit mode 0 ±0.7 ±1.0
Differential
Non-Linearity
10 bit mode
DNL
0 ±0.5 ±1.0
LSB
8 bit mode 0 ±0.3 ±0.5
Monotonicity and no-missing-codes guaranteed
Integral
Non-Linearity
10 bit mode
INL
0 ±0.5 ±1.0
LSB
8 bit mode 0 ±0.3 ±0.5