T
c
= 25 °C, V
DDS
= 3.0 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Offset error
Load = Low Power Clocked
Comparator
V
REF
= VDDS= 3.8 V
±0.78
V
REF
= VDDS = 3.0 V
±0.77
V
REF
= VDDS= 1.8 V
±3.46
V
REF
= DCOUPL, pre-charge ON
±3.44
V
REF
= DCOUPL, pre-charge OFF
±4.70
V
REF
= ADCREF
±4.11
Max code output voltage
variation
Load = Continuous Time
Comparator
V
REF
= VDDS = 3.8 V
±1.53
V
REF
= VDDS = 3.0 V
±1.71
V
REF
= VDDS= 1.8 V
±2.10
V
REF
= DCOUPL, pre-charge ON
±6.00
V
REF
= DCOUPL, pre-charge OFF
±3.85
V
REF
= ADCREF
±5.84
Max code output voltage
variation
Load = Low Power Clocked
Comparator
V
REF
= VDDS= 3.8 V
±2.92
V
REF
=VDDS= 3.0 V
±3.06
V
REF
= VDDS= 1.8 V
±3.91
V
REF
= DCOUPL, pre-charge ON
±7.84
V
REF
= DCOUPL, pre-charge OFF
±4.06
V
REF
= ADCREF
±6.94
Output voltage range
Load = Continuous Time
Comparator
V
REF
= VDDS = 3.8 V, code 1
0.03
V
V
REF
= VDDS = 3.8 V, code 255
3.62
V
REF
= VDDS= 3.0 V, code 1
0.02
V
REF
= VDDS= 3.0 V, code 255
2.86
V
REF
= VDDS= 1.8 V, code 1
0.01
V
REF
= VDDS = 1.8 V, code 255
1.71
V
REF
= DCOUPL, pre-charge OFF, code 1
0.01
V
REF
= DCOUPL, pre-charge OFF, code 255
1.21
V
REF
= DCOUPL, pre-charge ON, code 1
1.27
V
REF
= DCOUPL, pre-charge ON, code 255
2.46
V
REF
= ADCREF, code 1
0.01
V
REF
= ADCREF, code 255
1.41
Output voltage range
Load = Low Power Clocked
Comparator
V
REF
= VDDS = 3.8 V, code 1
0.03
V
V
REF
= VDDS= 3.8 V, code 255
3.61
V
REF
= VDDS= 3.0 V, code 1
0.02
V
REF
= VDDS= 3.0 V, code 255
2.85
V
REF
= VDDS = 1.8 V, code 1
0.01
V
REF
= VDDS = 1.8 V, code 255
1.71
V
REF
= DCOUPL, pre-charge OFF, code 1
0.01
V
REF
= DCOUPL, pre-charge OFF, code 255
1.21
V
REF
= DCOUPL, pre-charge ON, code 1
1.27
V
REF
= DCOUPL, pre-charge ON, code 255
2.46
V
REF
= ADCREF, code 1
0.01
V
REF
= ADCREF, code 255
1.41
External Load
INL
Integral nonlinearity
V
REF
= VDDS, F
DAC
= 250 kHz
±1
V
REF
= DCOUPL, F
DAC
= 250 kHz
±1
V
REF
= ADCREF, F
DAC
= 250 kHz
±1
DNL
Differential nonlinearity
V
REF
= VDDS, F
DAC
= 250 kHz
±1
SWRS263A – FEBRUARY 2021 – REVISED JUNE 2022
Copyright © 2022 Texas Instruments Incorporated
25
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