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STM32L412RBY3XXX 数据表(PDF) 153 Page - STMicroelectronics

部件名 STM32L412RBY3XXX
功能描述  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS
PDF  192 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L412RBY3XXX 数据表(HTML) 153 Page - STMicroelectronics

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DS12469 Rev 8
153/192
STM32L412xx
Electrical characteristics
164
ILOAD
Drive current
Normal mode
VDDA ≥ 2 V
-
-
500
µA
Low-power mode
-
-
100
ILOAD_PGA
Drive current in
PGA mode
Normal mode
VDDA ≥ 2 V
-
-
450
Low-power mode
-
-
50
RLOAD
Resistive load
(connected to
VSSA or to
VDDA)
Normal mode
VDDA < 2 V
4-
-
kΩ
Low-power mode
20
-
-
RLOAD_PGA
Resistive load
in PGA mode
(connected to
VSSA or to
VDDA)
Normal mode
VDDA < 2 V
4.5
-
-
Low-power mode
40
-
-
CLOAD
Capacitive load
-
-
-
50
pF
CMRR
Common mode
rejection ratio
Normal mode
-
-85
-
dB
Low-power mode
-
-90
-
PSRR
Power supply
rejection ratio
Normal mode
CLOAD ≤ 50 pf,
RLOAD ≥ 4 kΩ DC
70
85
-
dB
Low-power mode
CLOAD ≤ 50 pf,
RLOAD ≥ 20 kΩ DC
72
90
-
GBW
Gain Bandwidth
Product
Normal mode
VDDA ≥ 2.4 V
(OPA_RANGE = 1)
550
1600
2200
kHz
Low-power mode
100
420
600
Normal mode
VDDA < 2.4 V
(OPA_RANGE = 0)
250
700
950
Low-power mode
40
180
280
SR(3)
Slew rate
(from 10 and
90% of output
voltage)
Normal mode
VDDA ≥ 2.4 V
-700
-
V/ms
Low-power mode
-
180
-
Normal mode
VDDA < 2.4 V
-300
-
Low-power mode
-
80
-
AO
Open loop gain
Normal mode
55
110
-
dB
Low-power mode
45
110
-
VOHSAT(3)
High saturation
voltage
Normal mode
Iload = max or Rload =
min Input at VDDA.
VDDA -
100
--
mV
Low-power mode
VDDA -
50
--
VOLSAT(3)
Low saturation
voltage
Normal mode
Iload = max or Rload =
min Input at 0.
-
-
100
Low-power mode
-
-
50
φm
Phase margin
Normal mode
-
74
-
°
Low-power mode
-
66
-
Table 82. OPAMP characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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