TC1797_14 Datasheet, PDF (143/192 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1797
Electrical Parameters
Table 11 ADC Characteristics (cont’d) (Operating Conditions apply)
Parameter
Gain error⁹⁾⁵⁾
Offset error⁹⁾⁵⁾
Symbol
Min.
EA_GAIN
–
CC
EA_OFF
–
CC
Values
Typ. Max.
±0.5 ±3.5
±1.0 ±4.0
Unit Note /
Test Condition
LSB 12-bit conversion
without noise⁸⁾¹⁰⁾
LSB 12-bit converson
without noise⁸⁾¹⁰⁾
Input leakage I_OZ1 CC
current at analog
inputs of ADC0/1
11) 12) 13)
-300
-100
-100
Input leakage
current at
V_AREF0/1/2,
per module
I_OZ2 CC –
–
100
nA (0% V_DDM) < V_IN <
(3% V_DDM)
–
200
nA (3% V_DDM) < V_IN <
(97% V_DDM)
–
300
nA (97% V_DDM) < V_IN <
(100% V_DDM)
–
±1.5 μA 0 V < V_AREF <
V_DDM, no conversion
running
Input current at
V_AREF0/1/216),
per module
Total
capacitance of
the voltage
reference
inputs¹⁵⁾¹⁶⁾
Switched
capacitance at
the positive
reference
voltage input¹⁶⁾
I_AREF CC –
C_AREFTOT
–
CC
C_AREFSW
–
CC
35 75
20 40
μA 0 V < V_AREF <
rms V_DDM14)
pF ⁸⁾
15 30
pF
8)17)
Resistance of
the reference
voltage input
path¹⁵⁾
Total
capacitance of
the analog
inputs¹⁵⁾
R_AREF
–
CC
C_AINTOT
–
CC
500 1000 Ω
500 Ohm increased
for AN[1:0] used as
reference input⁸⁾
25 30
pF
1)8)
Data Sheet
139
V1.3, 2014-08