MC9S08LL16_10 FREESCALE [Freescale Semiconductor, Inc], MC9S08LL16_10 Datasheet - Page 36

• Manufacturer Part Number: MC9S08LL16_10
• Description: MC9S08LL16 Series
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Characteristics
1
2
36
Ref Voltage
High
Input Voltage
Input
Capacitance
Input
Resistance
Analog Source
Resistance
ADC
Conversion
Clock Freq.
Characteristic
Typical values assume V
reference only and are not tested in production.
DC potential difference.
V
AS
+
–
12-bit mode
10-bit mode
8-bit mode (all valid f
High speed (ADLPC = 0)
Low power (ADLPC = 1)
R
AS
f
f
f
f
ADCK
ADCK
ADCK
ADCK
DDA
Conditions
Figure 25. ADC Input Impedance Equivalency Diagram
= 3.0 V, Temp = 25 C, f
> 4MHz
< 4MHz
> 4MHz
< 4MHz
C
Table 17. 12-bit ADC Operating Conditions
AS
Z
AS
MC9S08LL16 Series MCU Data Sheet, Rev. 6
ADCK
)
V
+
–
ADIN
Symb
V
C
R
V
f
ADCK
R
REFH
ADIN
ADIN
ADIN
AS
INPUT PIN EQUIVALENT
ADCK
Pad
leakage
due to
input
protection
INPUT PIN
INPUT PIN
INPUT PIN
SIMPLIFIED
=1.0 MHz unless otherwise stated. Typical values are for
CIRCUIT
V
Min
1.8
0.4
0.4
REFL
—
—
—
—
—
—
—
V
Typ
4.5
DDA
—
—
—
—
—
—
—
—
5
1
Z
ADIN
V
V
Max
REFH
5.5
8.0
4.0
10
10
DDA
7
2
5
5
CHANNEL SELECT
R
R
R
R
ADIN
ADIN
ADIN
ADIN
SIMPLIFIED
CIRCUIT
MHz
Unit
k
k
pF
V
V
Freescale Semiconductor
External to MCU
Comment
C
ADIN
ADC SAR
ENGINE