MCF51QH128 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'MCF51QH128' PDF : 68 Pages View PDF
Analog
6.6 Analog
6.6.1 ADC electrical specifications
The 16-bit accuracy specifications listed in Table 23 and Table 24 are achievable on the
differential pins ADCx_DP0, ADCx_DM0.
All other ADC channels meet the 13-bit differential/12-bit single-ended accuracy
specifications.
6.6.1.1 16-bit ADC operating conditions
Table 23. 16-bit ADC operating conditions
Symbol Description
VDDA Supply voltage
ΔVDDA Supply voltage
ΔVSSA Ground voltage
VREFH
VREFL
VADIN
CADIN
ADC reference
voltage high
Reference
voltage low
Input voltage
Input
capacitance
Conditions
Absolute
Delta to VDD (VDD-
VDDA)
Delta to VSS (VSS-
VSSA)
• 16 bit modes
• 8/10/12 bit
modes
Min.
1.71
-100
-100
1.13
VSSA
VREFL
—
—
Typ.1
—
0
0
VDDA
VSSA
—
8
4
Max.
3.6
+100
+100
VDDA
VSSA
VREFH
10
5
Unit
V
mV
mV
V
V
V
pF
RADIN
RAS
Input resistance
Analog source
resistance
13/12 bit modes
fADCK < 4MHz
—
2
5
kΩ
—
—
5
kΩ
fADCK
fADCK
ADC conversion ≤ 13 bit modes
clock frequency
ADC conversion 16 bit modes
clock frequency
1.0
—
18.0
2.0
—
12.0
Table continues on the next page...
MHz
MHz
Notes
2
2
3
4
5
MCF51QH128 Advance Information Data Sheet, Rev. 0, 05/2011.
Freescale Semiconductor, Inc.
Preliminary
35
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