Datasheet

Appendix A Electrical Characteristics
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
Freescale Semiconductor 345
Figure A-9. ADC Input Impedance Equivalency Diagram
Table A-12. ADC Characteristics
Characteristic Conditions C Symb Min Typ
1
Max Unit Comment
Supply current
ADLPC=1
ADLSMP=1
ADCO=1
TI
DD
+
I
DDAD
—133— μA ADC current
only
ADLPC=1
ADLSMP=0
ADCO=1
TI
DD
+
I
DDAD
—218— μA ADC current
only
ADLPC=0
ADLSMP=1
ADCO=1
TI
DD
+
I
DDAD
—327— μA ADC current
only
ADLPC=0
ADLSMP=0
ADCO=1
PI
DD
+
I
DDAD
— 0.582 1 mA ADC current
only
ADC
asynchronous
clock source
High speed (ADLPC=0) P f
ADACK
23.35MHzt
ADACK
=
1/f
ADACK
Low power (ADLPC=1) 1.25 2 3.3
+
–
+
–
V
AS
R
AS
C
AS
V
ADIN
Z
AS
Pad
leakage
due to
input
protection
Z
ADIN
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
R
ADIN
ADC SAR
ENGINE
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
INPUT PIN
R
ADIN
C
ADIN
INPUT PIN
R
ADIN
INPUT PIN
R
ADIN