MC9S08LH64 Datasheet, PDF (35/44 Pages) Freescale Semiconductor, Inc – Advanced Information

ADC Characteristics
R_AS
V_AS
+
–
Z_AS
C_AS
+
V_ADIN
–
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
R_ADIN
For Differential Mode, this figure
applies to both inputs
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
INPUT PIN
C_ADIN
Figure 25. ADC Input Impedance Equivalency Diagram
Table 18. 16-bit ADC Characteristics full operating range(V_REFH = V_DDA > 1.8, V_REFL = V_SSA, F_ADCK < 8MHz)
Characteristic
Conditions¹
C Symb
Min
Typ²
Max
Unit
Comment
Supply Current ADLPC = 1, ADHSC = 0
—
ADLPC = 0, ADHSC = 0
T
I_DDA
—
ADLPC=0, ADHSC=1
—
Supply Current Stop, Reset, Module Off
C
I_DDA
—
ADC
ADLPC = 1, ADHSC = 0
—
Asynchronous
Clock Source ^{ADLPC = 0, ADHSC = 0}
P
f_ADACK
—
ADLPC = 0, ADHSC = 1
—
Sample Time See reference manual for sample times
Conversion
Time
See reference manual for conversion times
215
470
610
0.01
2.4
5.2
6.2
—
ADLSMP = 0
—
μA
ADCO = 1
—
—
μA
—
—
MHz
t_ADACK =
—
1/f_ADACK
MC9S08LH64 Series MCU Data Sheet, Rev. 4
Freescale Semiconductor
PRELIMINARY-SUBJECT TO CHANGE WITHOUT NOTICE
35