mc9s08sc4 Freescale Semiconductor, Inc, mc9s08sc4 Datasheet - Page 19

• Manufacturer Part Number: mc9s08sc4
• Description: Mc9s08sc4 8-bit Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

3.10
Freescale Semiconductor
1
2
Supply voltage
Input Voltage
Input
Capacitance
Input
Resistance
Analog Source
Resistance
ADC
Conversion
Clock
Frequency
Characteristic
Typical values assume VDDA = 5.0 V, Temp = 25°C, fADCK=1.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
V
DDA
/V
V
REFH
AS
ADC Characteristics
and V
+
–
10 bit mode
8 bit mode (all valid f
High Speed (ADLPC=0)
Low Power (ADLPC=1)
SSA
R
AS
/V
REFL
f
f
ADCK
ADCK
Conditions
Figure 3-8. ADC Input Impedance Equivalency Diagram
Absolute
, are derived from V
—
—
—
> 4MHz
< 4MHz
C
AS
Z
AS
MC9S08SC4 MCU Series Data Sheet, Rev. 4
Table 3-10. ADC Operating Conditions
ADCK
)
V
+
–
ADIN
DD
Symb
V
C
R
V
f
INPUT PIN EQUIVALENT
ADCK
R
and V
Pad
leakage
due to
input
protection
DDA
ADIN
ADIN
ADIN
INPUT PIN
INPUT PIN
INPUT PIN
AS
SIMPLIFIED
2
CIRCUIT
SS
respectively.
V
Min
REFL
2.7
0.4
0.4
—
—
—
—
—
2
Typ
4.5
—
—
—
—
—
—
—
3
Z
1
ADIN
V
CHANNEL SELECT
R
R
R
R
Max
REFH
5.5
5.5
8.0
4.0
ADIN
ADIN
ADIN
ADIN
10
10
SIMPLIFIED
5
5
CIRCUIT
2
Chapter 3 Electrical Characteristics
Unit
MHz
pF
kΩ
kΩ
V
V
C
External to MCU
ADIN
ADC SAR
Comment
ENGINE
—
—
—
—
—
19