MC9S08JM16 Datasheet, PDF (358/386 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix A Electrical Characteristics
Table A-8. 5 Volt 12-bit ADC Operating Conditions (continued)
Characteristic
Conditions
Symbol Min. Typical¹ Max. Unit
Comment
ADC
High Speed (ADLPC=0)
0.4
—
8.0
Conversion
Clock Freq.
Low Power (ADLPC=1)
f_ADCK
MHz
0.4
—
4.0
1 _{Typical values assume VDDAD = 5.0 V, Temp = 25 °C, fADCK= 1.0 MHz unless otherwise stated. Typical values are for reference}
only and are not tested in production.
2 _{DC potential difference.}
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
INPUT PIN
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
R_ADIN
Figure A-5. ADC Input Impedance Equivalency Diagram
C_ADIN
MC9S08JM16 Series Data Sheet, Rev. 2
358
Freescale Semiconductor