Datasheet

Appendix A Electrical Characteristics
MC9S08GB60A Data Sheet, Rev. 2
Freescale Semiconductor 271
A.7 ATD Characteristics
Table A-6. ATD Electrical Characteristics (Operating)
No. Characteristic Condition Symbol Min Typ Max Unit
1ATD supply
1
1
V
DDAD
must be at same potential as V
DD
.
V
DDAD
1.80 — 3.6 V
2 ATD supply current Enabled I
DDADrun
—0.71.2 mA
Disabled
(ATDPU = 0
or STOP)
I
DDADstop
—0.020.6 μA
3 Differential supply voltage V
DD
–V
DDAD
|V
DDLT
|— — 100 mV
4 Differential ground voltage V
SS
–V
SSAD
|V
SDLT
|— — 100 mV
5 Reference potential, low |V
REFL
|— —V
SSAD
V
Reference potential, high 2.08V <
V
DDAD
< 3.6V
V
REFH
2.08 — V
DDAD
V
1.80V < V
DDAD
< 2.08V V
DDAD
—V
DDAD
6 Reference supply current
(V
REFH
to V
REFL
)
Enabled I
REF
—200300
μA
Disabled
(ATDPU = 0
or STOP)
I
REF
— <0.01 0.02
7 Analog input voltage
2
2
Maximum electrical operating range, not valid conversion range.
V
INDC
V
SSAD
– 0.3 — V
DDAD
+ 0.3 V
Table A-7. ATD Timing/Performance Characteristics
1
No. Characteristic Condition Symbol Min Typ Max Unit
1 ATD conversion clock
frequency
2.08V <
V
DDAD
< 3.6V
f
AT DC LK
0.5 — 2.0
MHz
1.80V <
V
DDAD
< 2.08V 0.5 — 1.0
2 Conversion cycles
(continuous convert)
2
CC 28 28 <30
ATDCLK
cycles
3 Conversion time 2.08V <
V
DDAD
< 3.6V
T
conv
14.0 — 60.0
μs
1.80V <
V
DDAD
< 2.08V 28.0 — 60.0
4 Source impedance at input
3
R
AS
—— 10 kΩ
5 Analog Input Voltage
4
V
AIN
V
REFL
V
REFH
V
6 Ideal resolution (1 LSB)
5
2.08V < V
DDAD
< 3.6V
RES
2.031 — 3.516
mV
1.80V <
V
DDAD
< 2.08V 1.758 — 2.031
7
Differential non-linearity
6
1.80V < V
DDAD
< 3.6V
DNL — +
0.5 +1.0 LSB
8
Integral non-linearity
7
1.80 V < V
DDAD
< 3.6V
INL — +
0.5 +1.0 LSB