TC1767 Datasheet, PDF (97/126 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

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
DNL error
INL error
Gradient error⁹⁾
Symbol
Min.
EF_DNL CC –
EF_INL CC –
EF_GRAD
–
CC
Values
Typ. Max.
– ±1
– ±4
– ±5
Unit
LSB
LSB
%
Note /
Test Condition
9)
9)
Without calibration
gain 1, 2, 4
Offset error⁹⁾¹⁾
–
EF_OFF2)
–
CC _–
– ±6
% Without calibration
gain 8
– ±20³⁾ mV With calibration¹⁾
– ±90³⁾ mV Without calibration
Reference error of
internal V_FAREF/2
EF_REF
–
CC
– ±60
mV –
Analog supply
voltages
V_DDMF SR 3.13
–
3.47⁴⁾ V
–
V_DDAF SR 1.42
–
1.58⁵⁾ V
–
Analog ground
voltage
V_SSAF
-0.1 – 0.1
V
–
SR
Analog reference
voltage
V_FAREF
3.13 – 3.47⁴⁾⁶⁾ V
SR
Nominal 3.3 V
Analog reference
V_FAGND
V_SSAF - –
V_SSAF + V
–
ground
SR 0.05 V
0.05 V
Analog input voltage V_AINF
V_FAGND –
V_DDMF V
–
range
SR
Analog supply
currents
I_DDMF SR –
I_DDAF SR –
Input current at
V_FAREF
I_FAREF
–
CC
Input leakage current I_FOZ2
–
at V_FAREF ⁸⁾
CC
Input leakage current I_FOZ3
–
at
V 8)
FAGND
CC
– 10
mA –
– 10
mA ⁷⁾
– 120
µA Independent of
rms conversion
–
±500
nA
0 V < V_IN < V_DDMF
– ±8
µA
0 V < V_IN < V_DDMF
Data Sheet
93
V1.3, 2009-09