XC228X_08 Datasheet, PDF (91/125 Pages) Infineon Technologies AG – 16/32-Bit Single-Chip Microcontroller with 32-Bit Performance

XC2287 / XC2286 / XC2285
XC2000 Family Derivatives
Electrical Parameters
4.3
Analog/Digital Converter Parameters
These parameters describe the conditions for optimum ADC performance.
Table 18
A/D Converter Characteristics
(Operating Conditions apply)
Parameter
Symbol
Limit Values
Min.
Max.
Analog reference supply V_AREF SR V_AGND
+ 1.0
V_DDPA
+ 0.05
Analog reference ground V_AGND SR V_SS
- 0.05
V_AREF
- 1.0
Analog input voltage
range
V_AIN
SR V_AGND
V_AREF
Analog clock frequency f_ADCI
Conversion time for 10-bit t_C10
result⁴⁾
Conversion time for 8-bit t_C8
result⁴⁾
Wakeup time from analog t_WAF
powerdown, fast mode
0.5
20
CC (13 + STC) × t_ADCI
+ 2 × t_SYS
CC (11 + STC) × t_ADCI
+ 2 × t_SYS
CC –
1
Wakeup time from analog t_WAS CC –
10
powerdown, slow mode
Total unadjusted error⁵⁾ TUE CC –
±2
DNL error
INL error
Gain error
Offset error
Total capacitance
of an analog input
EA_DNL CC –
EA_INL CC –
EA_GAIN CC –
EA_OFF CC –
C_AINT CC –
±1
±1.2
±0.8
±0.8
10
Switched capacitance
C_AINS CC –
4
of an analog input
Resistance of
R_AIN CC –
1.5
the analog input path
Total capacitance
C_AREFT CC –
15
of the reference input
Unit Test
Condition
V
1)
V–
V
2)
MHz ³⁾
––
––
µs –
µs –
LSB V_AREF = 5.0 V¹⁾
LSB
LSB
LSB
LSB
pF ⁶⁾⁷⁾
pF ⁶⁾⁷⁾
kΩ ⁶⁾⁷⁾
pF ⁶⁾⁷⁾
Data Sheet
89
V2.1, 2008-08