MC9S08AC128 Datasheet, PDF (22/42 Pages) Freescale Semiconductor, Inc – 8-Bit Microcontroller

Chapter 3 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
INPUT PIN
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
R_ADIN
C_ADIN
Figure 3-8. ADC Input Impedance Equivalency Diagram
MC9S08AC128 Series Data Sheet, Rev. 1
22
Freescale Semiconductor
Preliminary — Subject to Change