XC2269I Datasheet, PDF (88/134 Pages) Infineon Technologies AG – 16/32-Bit Single-Chip Microcontroller

XC2269I
XC2000 Family Derivatives / Premium Line
Electrical Parameters
4.3
Analog/Digital Converter Parameters
These parameters describe the conditions for optimum ADC performance.
Note: Operating Conditions apply.
Table 20 ADC Parameters for All Voltage Ranges
Parameter
Symbol
Values
Min. Typ. Max.
Switched capacitance at C_AINSW −
9
20
an analog input
CC
Unit Note /
Test Condition
pF not subject to
production test
1)
Total capacitance at an C_AINT −
analog input
CC
20
30
pF not subject to
production test
1)
Switched capacitance at C_AREFSW −
the reference input
CC
15
30
pF not subject to
production test
1)
Total capacitance at the C_AREFT −
reference input
CC
20
40
pF not subject to
production test
1)
Broken wire detection
t_BWG CC −
−
50
3)
delay against VAGND²⁾
Broken wire detection
t_BWR CC −
−
50
4)
delay against VAREF²⁾
Conversion time for 8-bit t_c8 CC (10 + STC) x t_ADCI
result²⁾
+ 2 x t_SYS
Conversion time for 10-bit t_c10 CC (12 + STC) x t_ADCI
result²⁾
+ 2 x t_SYS
Conversion time for 12-bit t_c12 CC (16 + STC) x t_ADCI
result²⁾
+ 2 x t_SYS
Analog reference ground V_AGND V_SS −
SR
- 0.05
1.5 V
Analog input voltage
range
V_AIN SR V_AGND −
V_AREF V
5)
Analog reference voltage V_AREF
SR
V_AGND −
+ 1.0
V_DDPA V
+ 0.05
1) These parameter values cover the complete operating range. Under relaxed operating conditions (room
temperature, nominal supply voltage) the typical values can be used for calculation.
Data Sheet
88
V1.3, 2014-07