MC9S08QE8 Datasheet, PDF (25/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit

R_AS
V_AS
+
–
Z_AS
C_AS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
+
V_ADIN
–
Pad
leakage
due to
input
protection
Electrical Characteristics
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
C_ADIN
Figure 22. ADC Input Impedance Equivalency Diagram
Table 16. 12-bit ADC Characteristics (V_REFH = V_DDAD, V_REFL = V_SSAD)
C Characteristic
Conditions
Symbol Min. Typical¹ Max. Unit
Supply Current
T
ADLPC=1
ADLSMP=1
—
ADCO=1
Supply Current
T
ADLPC=1
ADLSMP=0
—
ADCO=1
Supply Current
T
ADLPC=0
ADLSMP=1
—
ADCO=1
Supply Current
P
ADLPC=0
ADLSMP=0
—
ADCO=1
P
ADC
Asynchronous
High Speed
(ADLPC=0)
Clock Source
C
Low Power
(ADLPC=1)
I_DDAD
—
120
—
μA
I_DDAD
—
202
—
μA
I_DDAD
—
288
—
μA
I_DDAD
—
0.532
1
mA
2
3.3
f_ADACK
1.25
2
5
MHz
3.3
Comment
—
—
—
—
t_ADACK =
1/f_ADACK
MC9S08QE8 Series, Rev. 3
Freescale Semiconductor
Preliminary
25
Subject to Change Without Notice