Datasheet

DocID022691 Rev 7 109/137
STM32F373xx Electrical characteristics
114
V
REFSD-
Negative
ref. voltage
--V
SSA
-V -
I
DDSDx
Supply
current
(V
DDSDx
=
3.3 V)
Normal mode (f
ADC
= 6 MHz) - 800 1200
µA
-
Slow mode (f
ADC
= 1.5 MHz) - - 600 -
Standby - - 200 -
Power down - - 2.5 -
SD_ADC off - - 1 -
V
AIN
Common
input
voltage
range
Single ended mode (zero reference) V
REFSD-
-
V
REFSD+
/gain
V
Voltage on
AINP or
AINN pin
Single ended offset mode V
REFSD-
-
V
REFSD+/
(gain*2)
Differential mode V
SSA
-V
DDSDx
V
DIFF
Differential
input
voltage
Differential mode only
-V
REFSD+/
(gain*2)
-
V
REFSD+
/
(gain*2)
-
Differential
voltage
between
AINP and
AINN
f
S
Sampling
rate
Slow mode (f
ADC
= 1.5 MHz) - 4.166 -
kHz
f
ADC
/360
Slow mode one channel only
(f
ADC
= 1.5 MHz)
-12.5- f
ADC
/120
Normal mode multiplexed channel
(f
ADC
= 6 MHz)
- 16.66 - f
ADC
/360
Normal mode one channel only,
FAST= 1
(f
ADC
= 6 MHz)
-50- f
ADC
/120
t
CONV
Conversio
n time
--1/fs-s-
Rain
Analog
input
impedance
One channel, gain = 0.5,
f
ADC
= 1.5 MHz
-540-
kΩ
see
reference
manual for
detailed
description
One channel, gain = 0.5, f
ADC
= 6
MHz
-135-
One channel, gain = 8, f
ADC
= 6 MHz - 47 -
t
CALIB
Calibration
time
f
ADC
= 6 MHz, one offset calibration - 5120 - µs 30720/f
ADC
t
STAB
Stabilizatio
n time
From power down f
ADC
= 6 MHz - 100 - µs
600/f
ADC
,
75/f
ADC
if
SLOWCK
=1
t
STANDBY
Wakeup
from
standby
time
f
ADC
= 6 MHz - 50 -
µs
300/f
ADC
f
ADC
= 1.5 MHz - 50 -
75/f
ADC
if
SLOWCK
=1
Table 74. SDADC characteristics (continued)
(1)
Symbol Parameter Conditions Min Typ Max Unit Note
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