MC9S08AC16_09 Datasheet, PDF (304/330 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

Appendix A Electrical Characteristics and Timing Specifications
R_AS
V_AS
+
–
Z_AS
C_AS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
+
V_ADIN
–
Pad
leakage
due to
input
protection
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 A-8. ADC Input Impedance Equivalency Diagram
Table A-9. 5 Volt 10-bit ADC Characteristics (V_REFH = V_DDAD, V_REFL = V_SSAD)
Characteristic
Conditions
C Symb
Min
Typ¹
Max
Supply current
ADLPC = 1
ADLSMP = 1
ADCO = 1
T
I_DDAD
—
133
—
Supply current
ADLPC = 1
ADLSMP = 0
ADCO = 1
T
I_DDAD
—
218
—
Supply current
ADLPC = 0
ADLSMP = 1
ADCO = 1
T
I_DDAD
—
327
—
Supply current
ADLPC = 0
ADLSMP = 0
ADCO = 1
V_DDAD < 5.5 V
T
I_DDAD
—
582
—
P
—
—
1
ADC asynchronous clock source
t_ADACK = 1/f_ADACK
High speed (ADLPC = 0)
Low power (ADLPC = 1)
P
f_ADACK
2
3.3
5
1.25
2
3.3
Conversion time
(Including sample time)
Short sample (ADLSMP = 0) P
t_ADC
—
20
—
Long sample (ADLSMP = 1)
—
40
—
Unit
μA
μA
μA
μA
mA
MHz
ADCK
cycles
MC9S08AC16 Series Data Sheet, Rev. 8
304
Freescale Semiconductor