STM32F372XX Datasheet, PDF (107/128 Pages) STMicroelectronics – ARM Cortex-M4F 32b MCU+FPU, up to 256KB Flash+32KB SRAM timers

STM32F37x
Electrical characteristics
Table 74. SDADC characteristics (continued)⁽¹⁾
Symbol Parameter
Conditions
I_DDSDx
Supply
current
(V_DDSDx =
3.3 V)
Fast mode (f_ADC = 6 MHz)
Slow mode (f_ADC = 1.5 MHz)
Standby
Power down
SD_ADC off
Single ended mode (zero reference)
Common
V_AIN
input
voltage
Single ended offset mode
range
Differential mode
V_DIFF
Differential
input
voltage
Differential mode only
f_S
t_CONV
Rain
t_CALIB
Sampling
rate
Conversion
time
Slow mode (f_ADC = 1.5 MHz)
Slow mode one channel only
(f_ADC = 1.5 MHz)
Fast mode multiplexed channel
(f_ADC = 6 MHz)
Fast mode one channel only
(f_ADC = 6 MHz)
Analog
input
impedance
Calibration
time
One channel, gain = 0.5,
f_ADC = 1.5 MHz
One channel, gain = 0.5, f_ADC = 6 MHz
One channel, gain = 8, f_ADC = 6 MHz
f_ADC = 6 MHz, one offset calibration
t_STAB
Stabilization
time
From power down f_ADC = 6 MHz
t_STANDBY
Wakeup
from
standby
time
f_ADC = 6 MHz
f_ADC = 1.5 MHz
Min Typ Max Unit Note
800 1200
600
200
2.5
1
V_SSA
V_REFSD+
/gain
V_SSA
V_REFSD+
/gain/2
V_SSA
V_DDSDx
-V_REF
SD+/
gain/2
V_REFSD+/
gain/2
4.166
µA
Voltage on
V AINP or
AINN pin
Differential
voltage
between
AINP and
AINN
f_ADC/360
12.5
16.66
f_ADC/120
kHz
f_ADC/360
50
f_ADC/120
1/fs
540
135
47
5120
100
50
50
s
see
reference
k manual for
detailed
description
µs 30720/f_ADC
600/f_ADC,
µs
75/f_ADC if
SLOWCK
=1
300/f_ADC
µs ^75/fADC ^if
SLOWCK
=1
Doc ID 022691 Rev 3
107/128