mc9s08qa4 Freescale Semiconductor, Inc, mc9s08qa4 Datasheet - Page 16

• Manufacturer Part Number: mc9s08qa4
• Description: Mc9s08qa4 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
16
Supply current
ADLPC = 1
ADLSMP = 1
ADCO = 1
Supply current
ADLPC = 1
ADLSMP = 0
ADCO = 1
Supply current
ADLPC = 0
ADLSMP = 1
ADCO = 1
Supply current
ADLPC = 0
ADLSMP = 0
ADCO = 1
ADC asynchronous
clock source
Characteristic
V
AS
+
–
R
AS
High speed (ADLPC=0)
Low power (ADLPC=1)
Figure 14. ADC Input Impedance Equivalency Diagram
Conditions
C
AS
Z
AS
Table 13. 3 V 10-Bit ADC Characteristics
V
+
–
ADIN
MC9S08QA4 Series, Rev. 2
INPUT PIN EQUIVALENT
Pad
leakage
due to
input
protection
Symbol
INPUT PIN
INPUT PIN
INPUT PIN
f
I
I
I
I
ADACK
DDAD
DDAD
DDAD
DDAD
SIMPLIFIED
CIRCUIT
1.25
Min
—
—
—
—
2
Typical
Z
ADIN
120
202
288
532
3.3
2
CHANNEL SELECT
1
R
R
R
R
ADIN
ADIN
ADIN
ADIN
SIMPLIFIED
CIRCUIT
Max
646
3.3
—
—
—
5
Freescale Semiconductor
MHz
Unit
μA
μA
μA
μA
C
ADIN
ADC SAR
ENGINE
Comment
t
1/f
ADACK
ADACK
=