MC9S08EL32 Datasheet, PDF (343/356 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

R_AS
V_AS
+
–
Z_AS
C_AS
+
V_ADIN
–
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
Appendix A Electrical Characteristics
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
INPUT PIN
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
R_ADIN
Characteristic
Figure A-9. ADC Input Impedance Equivalency Diagram
Table A-12. ADC Characteristics
Conditions
C Symb
Min
Typ¹
Max
ADLPC=1
ADLSMP=1
ADCO=1
T
I_DD +
—
133
—
I_DDAD
C_ADIN
Unit
Comment
μA
ADC current
only
Supply current
ADLPC=1
ADLSMP=0
ADCO=1
ADLPC=0
ADLSMP=1
ADCO=1
T
I_DD +
—
218
—
μA
ADC current
I_DDAD
only
T
I_DD +
—
327
—
μA
ADC current
I_DDAD
only
ADLPC=0
ADLSMP=0
ADCO=1
P
I_DD +
—
0.582
1
I_DDAD
mA
ADC current
only
ADC
asynchronous
clock source
High speed (ADLPC=0)
Low power (ADLPC=1)
P f_ADACK
2
3.3
1.25
2
5
MHz
3.3
t_ADACK =
1/f_ADACK
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
Freescale Semiconductor
345