Analog
6.6.1.2 16-bit ADC electrical characteristics
Table 24. 16-bit ADC characteristics (VREFH = VDDA, VREFL = VSSA)
Symbol Description
IDDA_ADC Supply current
fADACK
ADC
asynchronous
clock source
Conditions1
• ADLPC=1, ADHSC=0
• ADLPC=1, ADHSC=1
• ADLPC=0, ADHSC=0
• ADLPC=0, ADHSC=1
Min.
0.215
1.2
3.0
2.4
4.4
Typ.2
—
2.4
4.0
5.2
6.2
Max.
1.7
3.9
7.3
6.1
9.5
Unit
mA
MHz
MHz
MHz
MHz
Notes
3
tADACK = 1/
fADACK
TUE
DNL
INL
EFS
EQ
Sample Time
See Reference Manual chapter for sample times
Conversion Time The ADC calculator tool can be used to determine ADC conversion times for different ADC
configurations: http://cache.freescale.com/files/soft_dev_tools/software/app_software/
converters/ADC_CALCULATOR_CNV.zip?fpsp=1
Total unadjusted
error
• ≤13 bit modes
• <12 bit modes
±0.8
±TBD
LSB4
ADC
±0.5
±1
conversion
clock
<12MHz,
Max
hardware
averaging
(AVGE =
%1, AVGS
= %11)
Differential non-
linearity
• ≤13 bit modes
• <12 bit modes
±0.7
±TBD
LSB4
ADC
±0.2
±0.5
conversion
clock
<12MHz,
Max
hardware
averaging
(AVGE =
%1, AVGS
= %11)
Integral non-
linearity
• ≤13 bit modes
• <12 bit modes
—
±1.0
±TBD
LSB4
Max
—
±0.5
±TBD
averaging
Full-scale error
• ≤13 bit modes
• <12 bit modes
—
±0.4
±TBD
LSB4
VADIN =
—
±1.0
±TBD
VDDA
Quantization
error
• 16 bit modes
• ≤13 bit modes
—
-1 to 0
—
LSB4
—
—
±0.5
Table continues on the next page...
MCF51QH128 Advance Information Data Sheet, Rev. 0, 05/2011.
Freescale Semiconductor, Inc.
Preliminary
37