K10P81M100SF2 Datasheet, PDF (34/60 Pages) Freescale Semiconductor, Inc – K10 Sub-Family Data Sheet

Peripheral operating requirements and behaviors
Table 23. 16-bit ADC operating conditions (continued)
Symbol Description
R_AS Analog source
resistance
Conditions
16 bit modes
• f_ADCK > 8MHz
• f_ADCK = 4–8MHz
• f_ADCK < 4MHz
Min.
—
—
—
Typ.¹
—
—
—
Max.
0.5
1
2
Unit
kΩ
kΩ
kΩ
Notes
External to MCU
Assumes
ADLSMP=0
f_ADCK
ADC conversion
clock frequency
13/12 bit modes
• f_ADCK > 16MHz
—
• f_ADCK > 8MHz
—
• f_ADCK = 4–8MHz
—
• f_ADCK < 4MHz
—
11/10 bit modes
• f_ADCK > 8MHz
—
• f_ADCK = 4–8MHz
—
• f_ADCK < 4MHz
—
—
0.5
kΩ
—
1
kΩ
—
2
kΩ
y ^—
5
kΩ
r _—
2
kΩ
a _—
5
kΩ
in^—
10
kΩ
9/8 bit modes
• f_ADCK > 8MHz
—
—
• f_ADCK < 8MHz
—
—
lim ^{ADLPC=0, ADHSC=1}
• 16 bit modes
1.0
—
• ≤13 bit modes
1.0
—
ADLPC=0, ADHSC=0
e _{• 16 bit modes}
1.0
—
r_{• ≤13 bit modes}
1.0
—
P^{ADLPC=1, ADHSC=1}
5
10
TBD
TBD
8.0
12.0
kΩ
kΩ
MHz
MHz
MHz
MHz
• 16 bit modes
1.0
—
5.0
MHz
• ≤13 bit modes
1.0
—
8.0
MHz
ADLPC=1, ADHSC=0
• 16 bit modes
1.0
—
2.5
MHz
• ≤13 bit modes
1.0
—
5.0
MHz
1. Typical values assume V_DDA = 3.0 V, Temp = 25°C, f_ADCK = 1.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
2. DC potential difference.
K10 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
34
Preliminary
Freescale Semiconductor, Inc.