MC9S08QG8_09 Datasheet, PDF (285/314 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

R_AS
V_AS
+
–
Z_AS
C_AS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
+
V_ADIN
–
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
C_ADIN
Figure A-17. ADC Input Impedance Equivalency Diagram
Characteristic
Supply current
ADLPC=1
ADLSMP=1
ADCO=1
Supply current
ADLPC=1
ADLSMP=0
ADCO=1
Supply current
ADLPC=0
ADLSMP=1
ADCO=1
Supply current
ADLPC=0
ADLSMP=0
ADCO=1
ADC asynchronous
clock source
Table A-14. 3 Volt 10-bit ADC Characteristics
Conditions
Symb
Min
Typ¹
Max
I_DDAD
—
120
—
I_DDAD
—
202
—
I_DDAD
—
288
—
I_DDAD
—
532
646
High speed (ADLPC=0)
Low power (ADLPC=1)
f_ADACK
2
3.3
5
1.25
2
3.3
Unit
μA
μA
μA
μA
MHz
Comment
t_ADACK =
1/f_ADACK
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
Freescale Semiconductor
283