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XC2238M Datasheet, PDF (72/102 Pages) Infineon Technologies AG – 16/32-Bit Single-Chip Microcontroller with 32-Bit Performance XC2000 Family Derivatives / Base Line | |||
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XC2238M, XC2239M
XC2000 Family Derivatives / Base Line
Electrical Parameters
4.3
Analog/Digital Converter Parameters
These parameters describe the conditions for optimum ADC performance.
Note: Operating Conditions apply.
Table 18 A/D Converter Characteristics
Parameter
Analog reference supply
Symbol
VAREF SR
Limit Values
Min. Typ. Max.
VAGND â
+ 1.0
VDDPA
+ 0.05
Unit Test
Condition
V
1)
Analog reference ground VAGND SR VSS â
- 0.05
Analog input voltage
range
VAIN SR VAGND â
1.5 V â
VAREF V
2)
Analog clock frequency fADCI
0.5 â
20
MHz Upper voltage
area3)
0.5 â
16.5 MHz Lower voltage
area3)
Conversion time for 10-bit tC10 CC
result4)
Conversion time for 8-bit tC8 CC
result4)
Wakeup time from analog tWAF CC
powerdown, fast mode
(13 + STC) Ã tADCI
+ 2 Ã tSYS
(11 + STC) Ã tADCI
+ 2 Ã tSYS
â
â
4
ââ
ââ
μs â
Wakeup time from analog tWAS CC â
powerdown, slow mode
Broken wire detection
delay against VAGND
Broken wire detection
delay against VAREF
Total unadjusted error7)
tBWG CC â
tBWR CC â
TUE CC â
DNL error
INL error
Gain error
EADNL CC â
EAINL CC â
EAGAIN
â
CC
â
15
μs â
â
â
±1
±0.8
±0.8
±0.4
50
50
±2
±1
±1.2
±0.8
5)
6)
LSB
LSB
Result below
10% (66H)
Result above
80% (332H)
VAREF = 5.0 V1)
LSB
LSB
Offset error
EAOFF CC â
±0.5 ±0.8 LSB
Data Sheet
72
V2.0, 2009-03
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