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XC167CI-16F_06 Datasheet, PDF (67/90 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core
4.3
Analog/Digital Converter Parameters
XC167CI-16F
Derivatives
Electrical Parameters
Table 14 A/D Converter Characteristics (Operating Conditions apply)
Parameter
Analog reference supply
Symbol
Limit Values
Min.
Max.
VAREF SR 4.5
VDDP
+ 0.1
Unit Test
Condition
V
1)
Analog reference ground VAGND
Analog input voltage range VAIN
Basic clock frequency
fBC
SR VSS - 0.1
SR VAGND
0.5
VSS + 0.1
VAREF
20
V–
V
2)
MHz 3)
Conversion time for 10-bit tC10P
result4)
tC10
CC 52 × tBC + tS + 6 × tSYS –
CC 40 × tBC + tS + 6 × tSYS –
Post-calibr. on
Post-calibr. off
Conversion time for 8-bit tC8P
result4)
tC8
Calibration time after reset tCAL
Total unadjusted error
TUE
CC 44 × tBC + tS + 6 × tSYS –
CC 32 × tBC + tS + 6 × tSYS –
CC 484
11,696
tBC
CC –
±2
LSB
Post-calibr. on
Post-calibr. off
5)
1)
Total capacitance
of an analog input
CAINT CC –
15
pF 6)
Switched capacitance
of an analog input
CAINS CC –
10
pF 6)
Resistance of
RAIN CC –
2
the analog input path
kΩ 6)
Total capacitance
of the reference input
CAREFT CC –
20
pF 6)
Switched capacitance
of the reference input
CAREFS CC –
15
pF 6)
Resistance of
RAREF CC –
1
the reference input path
kΩ 6)
1) TUE is tested at VAREF = VDDP + 0.1 V, VAGND = 0 V. It is verified by design for all other voltages within the
defined voltage range.
If the analog reference supply voltage drops below 4.5 V (i.e. VAREF ≥ 4.0 V) or exceeds the power supply
voltage by up to 0.2 V (i.e. VAREF = VDDP + 0.2 V) the maximum TUE is increased to ±3 LSB. This range is not
subject to production test.
The specified TUE is guaranteed only, if the absolute sum of input overload currents on Port 5 pins (see IOV
specification) does not exceed 10 mA, and if VAREF and VAGND remain stable during the respective period of
time. During the reset calibration sequence the maximum TUE may be ±4 LSB.
2) VAIN may exceed VAGND or VAREF up to the absolute maximum ratings. However, the conversion result in these
cases will be X000H or X3FFH, respectively.
Data Sheet
65
V1.3, 2006-08