S9S08LG16J0VLF View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'S9S08LG16J0VLF' PDF : 50 Pages View PDF
Electrical Characteristics
Table 12. 12-bit ADC Operating Conditions (continued)
Characteristic
Conditions
Symb
Min
Typ1
Max Unit
Comment
Input
Resistance
—
RADIN
—
5
7
kΩ
—
Analog Source
Resistance
12-bit mode
fADCK > 4MHz
fADCK < 4MHz
RAS
—
—
—
—
kΩ External to MCU
2
5
10-bit mode
fADCK > 4MHz
fADCK < 4MHz
—
—
5
—
—
10
8-bit mode (all valid fADCK)
—
—
10
ADC
High Speed (ADLPC = 0)
fADCK
0.4
—
8.0
MHz
—
Conversion
Clock Freq.
Low Power (ADLPC = 1)
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.
RAS
VAS +
–
ZAS
CAS
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
+
VADIN
–
ZADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
RADIN
ADC SAR
ENGINE
RADIN
INPUT PIN
RADIN
INPUT PIN
RADIN
INPUT PIN
CADIN
Figure 18. ADC Input Impedance Equivalency Diagram
MC9S08LG32 Series Data Sheet, Rev. 7
26
Freescale Semiconductor
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