MC9S08JE128 Datasheet, PDF (25/44 Pages) Freescale Semiconductor, Inc – Covers: MC9S08JE128 and MC9S08JE64

2.9 ADC Characteristics
Preliminary Electrical Characteristics
Table 15. 12-bit ADC Operating Conditions
# Symb Characteristic
Conditions
Min
Typ¹ Max Unit
1 V_DDAD Supply voltage Absolute
2 ^ΔVDDAD
Delta to V_DD
(V_DD-V_DDAD)²
3 ^{ΔVSSAD Ground voltage}
Delta to V_SS
(V_SS-V_SSAD)²
4 V_REFH Ref Voltage High
5 V_REFL Ref Voltage Low
6 V_ADIN Input Voltage
7
C_ADIN Input
Capacitance
8 R_ADIN Input Resistance
R_AS Analog Source
9
Resistance
1.8
-100
— 3.6
V
0
+100
mV
-100
0
+100
mV
1.13
V_DDAD V_DDAD
V
V_SSAD V_SSAD V_SSAD
V
V_REFL
— V_REFH
V
—
4
5
pF
—
2
5
kΩ
12-bit mode
—
f_ADCK > 4 MHz
f_ADCK < 4 MHz
—
11/10-bit mode
—
f_ADCK > 8 MHz
4 MHz < f_ADCK < 8
—
MHz
f_ADCK < 4 MHz
—
9/8-bit mode
—
f_ADCK > 4 MHz
f_ADCK < 4 MHz
—
f_ADCK ADC Conversion
10
Clock Freq.
High Speed 1.0
(ADLPC=0,
ADHSC=1)
High Speed 1.0
(ADLPC=0,
ADHSC=0)
Low Power 1.0
(ADLPC=1,
ADHSC=1)
—
2
kΩ
—
5
kΩ
—
2
kΩ
—
5
kΩ
—
10
kΩ
—
5
kΩ
—
10
kΩ
— 8.0
MHz
— 5.0
MHz
— 2.5
MHz
C Comment
D
D
D
D
D
D
C
C
External to
MCU
Assumes
ADLSMP=0
C
C
C
C
C
C
C
D
D
D
1 _{Typical values assume VDDAD = 3.0 V, Temp = 25 °C, fADCK=1.0 MHz unless otherwise stated. Typical values are for}
reference only and are not tested in production.
2 _{DC potential difference.}
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Preliminary — Subject to Change