MC9S08GW64 Datasheet, PDF (31/38 Pages) Freescale Semiconductor, Inc – Covers: MC9S08GW64 and MC9S08GW32

R_AS
V_AS
+
–
Z_AS
C_AS
Electrical Characteristics
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
+
V_ADIN
–
ADC SAR
ENGINE
INPUT PIN
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
R_ADIN
Figure 23. ADC Input Impedance Equivalency Diagram
C_ADIN
Table 18. 16-bit ADC Characteristics full operating range(V_REFH = V_DDAD, V_REFL = V_SSAD, F_ADCK < 10MHz)
Characteristic
Conditions¹
C Symb
Min
Typ²
Max
Unit
Comment
Supply Current ADLPC = 1, ADHSC = 0
—
215
—
ADLSMP = 0
ADLPC = 0, ADHSC = 0
T
I_DDA
—
540
—
μA
ADCO = 1
ADLPC=0, ADHSC=1
—
610
—
Supply Current Stop, Reset, Module Off
C
I_DDA
—
0.072
—
μA
ADC
ADLPC = 1, ADHSC = 0
—
2.4
—
Asynchronous
Clock Source ^{ADLPC = 0, ADHSC = 0}
P
f_ADACK
—
5.2
—
MHz
t_ADACK =
ADLPC = 0, ADHSC = 1
—
6.2
—
1/f_ADACK
Sample Time See reference manual for sample times
Conversion
Time
See reference manual for conversion times
1 _{All accuracy numbers assume the ADC is calibrated with VREFH = VDDAD}
2 _{Typical values assume VDDAD = 3.0V, Temp = 25°C, fADCK = 2.0 MHz unless otherwise stated. Typical values are for reference}
only and are not tested in production.
MC9S08GW64 Series MCU Data Sheet, Rev. 1
Freescale Semiconductor
PRELIMINARY-SUBJECT TO CHANGE WITHOUT NOTICE
31