Datasheet

XMC1100
XMC1000 Family
Electrical Parameter
Data Sheet 29 V1.4, 2014-05
3.2.2 Analog to Digital Converters (ADC)
Table 12 shows the Analog to Digital Converter (ADC) characteristics.
Table 12 ADC Characteristics (Operating Conditions apply)
Parameter Symbol Values Unit Note /
Test Condition
Min. Typ. Max.
Supply voltage range
(internal reference)
V
DD_int
SR 1.8 – 3.0 V SHSCFG.AREF =
11
B
3.0 – 5.5 V SHSCFG.AREF =
10
B
Supply voltage range
(external reference)
V
DD_ext
SR 3.0 – 5.5 V SHSCFG.AREF =
00
B
Analog input voltage
range
V
AIN
SR V
SSP
- 0.05
– V
DDP
+ 0.05
V
Auxiliary analog
reference ground
(SH0-CH0, SH1-CH0)
V
REFGND
SR V
SSP
- 0.05
– V
DDP
+ 0.05
V
Internal reference
voltage (full scale
value)
V
REFINT
CC 4.82 5 5.18 V -40°C - 105°C
4.9 5 5.1 V 0°C - 85°C
1)
Switched capacitance
of an analog input
1)
C
AINS
CC – 1.2 2 pF GNCTRxz.GAINy
= 00
B
(unity gain)
– 1.2 2 pF GNCTRxz.GAINy
= 01
B
(gain g1)
– 4.5 6 pF GNCTRxz.GAINy
= 10
B
(gain g2)
– 4.5 6 pF GNCTRxz.GAINy
= 11
B
(gain g3)
Total capacitance of an
analog input
C
AINT
CC – – 10 pF
1)
Total capacitance of
the reference input
C
AREFT
CC – – 10 pF
1)
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