TC1796 Datasheet, PDF (99/134 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller TriCore

TC1796
4.2.3
Fast Analog to Digital Converter (FADC)
Electrical Parameters
Table 17 FADC Characteristics (Operating Conditions apply)
Parameter
DNL error
INL error
Gradient error¹⁾¹⁰⁾
Symbol
Min.
E_DNL CC –
E_INL CC –
E_GRAD
–
CC
Values
Typ. Max.
– ±1
– ±4
– ±3
Unit
LSB
LSB
%
Note /
Test Condition
10)
10)
With calibration,
gain 1, 2²⁾
E_GRAD
–
CC
– ±5
%
Without calibration
gain 1, 2, 4
Offset error¹⁰⁾
E_GRAD
–
CC
E_OFF3)
–
CC _–
– ±6
%
– ±20⁴⁾ mV
– ±60⁴⁾ mV
Without calibration
gain 8
With calibration²⁾
Without calibration
Reference error of E_REF
–
–
internal V_FAREF/2
CC
Analog supply
voltages
V_DDMF SR 3.13 –
V_DDAF SR 1.42 –
Analog ground
voltage
V_SSAF
-0.1 –
SR
Analog reference
voltage
V_FAREF
3.13 –
SR
±60 mV
3.47⁵⁾ V
1.58⁶⁾ V
0.1 V
3.47⁵⁾⁷⁾ V
–
–
–
–
Nominal 3.3 V
Analog reference
V_FAGND
V_SSAF - –
V_SSAF V
–
ground
SR 0.05V
+0.05V
Analog input voltage V_AINF
V_FAGND –
V_DDMF V
–
range
SR
Analog supply
currents
I_DDMF SR –
I_DDAF SR –
Input current at each I_FAREF
–
V_FAREF
CC
Input leakage current I_FOZ2
–
at V_FAREF ⁹⁾
CC
Input leakage current I_FOZ3
–
at V_FAGND
CC
–9
mA –
– 17
mA
8)
– 150 µA
Independent of
rms conversion
– ±500 nA
0 V < V_IN < V_DDMF
– ±8
µA
0 V < V_IN < V_DDMF
Data Sheet
99
V1.0, 2008-04