MC9S08GT16A Datasheet, PDF (272/300 Pages) Freescale Semiconductor, Inc – Microcontrollers

Electrical Characteristics
A.8
ATD Characteristics
Table A-8. ATD Electrical Characteristics (Operating)
No.
Characteristic
Condition
Symbol
1 ATD supply¹
2 ATD supply current
Enabled
Disabled
(ATDPU = 0
or STOP)
V_DDAD
I_DDADrun
I_DDADstop
3 Differential supply voltage
V_DD–V_DDAD
|V_DDLT|
4 Differential ground voltage
V_SS–V_SSAD
|V_SDLT|
5 Reference potential, low
|V_REFL|
Reference potential, high
2.08V < V_DDAD < 3.6V
V_REFH
1.80V < V_DDAD < 2.08V
6 Reference supply current
Enabled
I_REF
(V_REFH to V_REFL)
Disabled
I_REF
(ATDPU = 0
or STOP)
7 Analog input voltage²
V_INDC
1 _{VDDAD must be at same potential as VDD.}
2 _{Maximum electrical operating range, not valid conversion range.}
Min
1.80
—
—
—
—
—
2.08
V_DDAD
—
—
V_SSAD – 0.3
Typ
—
0.7
0.02
—
—
—
—
—
200
<0.01
—
Max
3.6
1.2
0.6
100
100
V_SSAD
V_DDAD
V_DDAD
300
0.02
V_DDAD + 0.3
Unit
V
mA
µA
mV
mV
V
V
µA
V
Table A-9. ATD Timing/Performance Characteristics¹
No.
Characteristic
Condition
Symbol
Min
Typ
1 ATD conversion clock
2.08V < V_DDAD < 3.6V f_ATDCLK
0.5
—
frequency
1.80V < V_DDAD < 2.08V
0.5
—
2 Conversion cycles
(continuous convert)²
CC
28
28
3 Conversion time
2.08V < V_DDAD < 3.6V
T_conv
14.0
—
(Including sample time)
1.80V < V_DDAD < 2.08V
28.0
—
4 ATD sample time
t_ADS
t_ADS
—
14
5 Source impedance at input³
6 Analog Input Voltage⁴
R_AS
—
—
V_AIN
V_REFL
Max
2.0
1.0
<30
60.0
60.0
—
10
V_REFH
Unit
MHz
ATDCLK
cycles
µs
ATDCLK
cycles
kΩ
V
MC9S08GT16A/GT8A Data Sheet, Rev. 1
272
Freescale Semiconductor