Datasheet

DocID022691 Rev 7 113/137
STM32F373xx Electrical characteristics
114
SINAD
(5)
Signal to
noise and
distortion
ratio
Differential mode
gain =1
f
ADC
=
1.5 MHz
V
DDSDx
= 3.3
V
REFSD+
= 3.3
(3)
76 77 -
dB
ENOB =
SINAD/
6.02 - 0.292
f
ADC
= 6
MHz
V
REFSD+
= 1.2
(4)
75 76 -
V
REFSD+
= 3.3
76 77 -
gain =8
f
ADC
= 6
MHz
V
REFSD+
= 1.2
(4)
70 74 -
V
REFSD+
= 3.3
79 85 -
f
ADC
=
1.5 MHz
V
REFSD+
= 3.3
(3)
75 81 -
Single ended mode
gain =1
f
ADC
=
1.5MHz
V
REFSD+
= 3.3
72 73 -
f
ADC
=
6MHz
V
REFSD+
= 1.2
(4)
68 71 -
V
REFSD+
= 3.3
72 73 -
gain =8
f
ADC
=
6MHz
V
REFSD+
= 1.2
(4)
60 64 -
V
REF
=
3.3
67 72 -
THD
(5)
Total
harmonic
distortion
Differential mode
gain =1
f
ADC
=
1.5 MHz
V
DDSDx
= 3.3
V
REFSD+
= 3.3
(3)
--77-76
dB -
f
ADC
=
6MHz
V
REFSD+
= 1.2
(4)
--77-76
V
REFSD+
= 3.3
--77-76
gain =8
f
ADC
=
6MHz
V
REFSD+
= 1.2
(4)
--85-70
V
REFSD+
= 3.3
--93-80
f
ADC
=
1.5 MHz
V
REFSD+
= 3.3
(3)
--93-83
Single ended mode
gain =1
f
ADC
=
6MHz
V
REFSD+
= 1.2
(4)
--72-68
V
REFSD+
= 3.3
--74-72
gain =8
f
ADC
=
6MHz
V
REFSD+
= 1.2
(4)
--66-61
V
REFSD+
= 3.3
--75-70
Table 74. SDADC characteristics (continued)
(1)
Symbol Parameter Conditions Min Typ Max Unit Note
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