TC1796
Electrical Parameters
Table 15
ADC Characteristics (cont’d) (Operating Conditions apply)
Parameter
Symbol
Values
Typ.
±0.5
Unit Note /
Test Condition
Min.
–
Max.
±3.5
Gain error11)5)
Offset error11)5)
TUEGAIN
LSB 12-bit conversion
12)9)
CC
TUEOFF
–
±1.0
–
±4.0
300
LSB 12-bit conversion
12)9)
CC
Input leakage
IOZ1
CC -1000
-200
nA
nA
nA
nA
nA
nA
nA
nA
µA
(0% VDDM) < VIN <
(2% VDDM
(2% VDDM) < VIN <
(95% VDDM
(95% VDDM) <VIN <
(98% VDDM
(98% VDDM) <VIN <
(100% VDDM
(0% VDDM) < VIN <
(2% VDDM
(2% VDDM) < VIN <
(95% VDDM
(95% VDDM) <VIN <
(98% VDDM
current at analog
inputs AN0, AN1,
AN4 to AN7,
)
–
400
)
AN24 to AN31.
-200
–
1000
3000
200
see Figure 24
)
13) 14)
-200
–
)
Input leakage
current at the
other analog
inputs, that is
AN2, AN3,
IOZ1
CC -1000
-200
–
)
–
300
)
-200
–
1000
3000
±1
AN8 to AN23,
AN32 to AN43
)
-200
–
(98% VDDM) <VIN <
see Figure 24
14)
(100% VDDM
)
Input leakage
current at VAREF
IOZ2
CC –
–
0 V < VAREF
<
VDDM, no
conversion
running
Input current at
IAREF CC –
35
–
75
25
µA
0 V < VAREF
<
17)
15)
VAREF0/1
rms VDDM
9)
Total capacitance CAREFTOT
–
pF
of the voltage
reference
CC
inputs16)17)
9)18)
Switched
CAREFSW
–
15
93
20
pF
capacitance at the
positive reference
voltage input17)
CC
Data Sheet
V1.0, 2008-04
INFINEON [ Infineon ]
