TC1767
Electrical Parameters
5.2.3
Fast Analog to Digital Converter (FADC)
All parameters apply to FADC used in differential mode, which is the default and the
intended mode of operation, and which takes advantage of many error cancelation
effects inherent to differential measurements in general.
Table 14
FADC Characteristics (Operating Conditions apply)
Parameter
Symbol
Values
Unit Note /
Test Condition
Min.
Typ. Max.
9)
DNL error
EFDNL CC –
EFINL CC –
–
–
–
±1
±4
±5
LSB
LSB
%
9)
INL error
Gradient error9)
EFGRAD
–
Without calibration
gain 1, 2, 4
CC
–
–
±6
%
Without calibration
gain 8
Offset error9)1)
EFOFF
EFREF
–
–
–
–
–
–
±203)
±903)
±60
mV
mV
mV
With calibration1)
Without calibration
–
2)
CC
Reference error of
internal VFAREF/2
CC
Analog supply
voltages
VDDMF SR 3.13
VDDAF SR 1.42
–
–
–
3.474)
1.585)
0.1
V
V
V
–
–
–
Analog ground
voltage
VSSAF
-0.1
SR
SR
Analog reference
voltage
VFAREF
VFAGND
3.13
–
3.474)6)
V
Nominal 3.3 V
Analog reference
ground
V
SSAF - –
V
SSAF + V
–
–
SR 0.05 V
0.05 V
Analog input voltage VAINF
VFAGND
–
VDDMF
V
range
SR
Analog supply
currents
IDDMF SR –
IDDAF SR –
–
–
–
10
mA
mA
–
7)
10
Input current at
VFAREF
IFAREF
–
–
–
120
µA
rms
Independent of
conversion
CC
CC
CC
Input leakage current IFOZ2
–
–
±500
±8
nA
0 V < VIN < VDDMF
8)
at VFAREF
Input leakage current IFOZ3
µA
0 V < VIN < VDDMF
8)
at VFAGND
Data Sheet
93
V1.3, 2009-09
INFINEON [ Infineon ]
