STM32F37xxx
Electrical characteristics
Symbol Parameter
Table 74. SDADC characteristics (continued)(1)
Conditions
Min Typ
Max Unit Note
IDDSDx
Supply
current
(VDDSDx =
3.3 V)
Fast mode (fADC = 6 MHz)
Slow mode (fADC = 1.5 MHz)
Standby
Power down
-
800 1200
-
-
600
-
-
200
µA
-
-
2.5
SD_ADC off
-
-
1
VAIN
VDIFF
Common
input
voltage
range
Single ended mode (zero reference)
Single ended offset mode
Differential mode
Differential
input
Differential mode only
voltage
VSSA
-
VSSA
-
VSSA
-
-VREF
SD+/
-
(gain*2)
VREFSD+
/gain
VREFSD+/
(gain*2)
VDDSDx
VREFSD+/
(gain*2)
Voltage on
V AINP or
AINN pin
Differential
voltage
between
AINP and
AINN
fS
tCONV
Slow mode (fADC = 1.5 MHz)
Sampling
rate
Slow mode one channel only
(fADC = 1.5 MHz)
Fast mode multiplexed channel
(fADC = 6 MHz)
Fast mode one channel only
(fADC = 6 MHz)
Conversion
time
- 4.166
-
fADC/360
-
12.5
-
fADC/120
kHz
- 16.66
-
fADC/360
-
50
-
fADC/120
-
1/fs
-
s
Analog
One channel, gain = 0.5,
fADC = 1.5 MHz
-
540
-
Rain
input
impedance
One channel, gain = 0.5, fADC = 6 MHz
-
135
-
One channel, gain = 8, fADC = 6 MHz
-
47
-
tCALIB
Calibration
time
fADC = 6 MHz, one offset calibration
-
5120
-
see
reference
kΩ manual for
detailed
description
µs 30720/fADC
tSTAB
Stabilizatio
n time
From power down fADC = 6 MHz
600/fADC,
-
100
-
µs
75/fADC if
SLOWCK
=1
tSTANDBY
Wakeup
from
standby
time
fADC = 6 MHz
fADC = 1.5 MHz
-
50
-
300/fADC
µs 75/fADC if
-
50
-
SLOWCK
=1
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