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STM32L412R8T6TR 数据表(PDF) 153 Page - STMicroelectronics

部件名 STM32L412R8T6TR
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

STM32L412R8T6TR 数据表(HTML) 153 Page - STMicroelectronics

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DS12469 Rev 4
153/192
STM32L412xx
Electrical characteristics
163
GM
Gain margin
Normal mode
-
13
-
dB
Low-power mode
-
20
-
tWAKEUP
Wake up time
from OFF state.
Normal mode
CLOAD ≤ 50 pf,
RLOAD ≥ 4 kΩ
follower
configuration
-5
10
µs
Low-power mode
CLOAD ≤ 50 pf,
RLOAD ≥ 20 kΩ
follower
configuration
-10
30
Ibias
OPAMP input
bias current
General purpose input
-
-
-(4)
nA
PGA gain(3)
Non inverting
gain value
-
-2-
-
-4-
-8-
-16
-
Rnetwork
R2/R1 internal
resistance
values in PGA
mode(5)
PGA Gain = 2
-
80/80
-
kΩ/kΩ
PGA Gain = 4
-
120/
40
-
PGA Gain = 8
-
140/
20
-
PGA Gain = 16
-
150/
10
-
Delta R
Resistance
variation (R1 or
R2)
--15
-
15
%
PGA gain error
PGA gain error
-
-1
-
1
%
PGA BW
PGA bandwidth
for different non
inverting gain
Gain = 2
-
-
GBW/
2
-
MHz
Gain = 4
-
-
GBW/
4
-
Gain = 8
-
-
GBW/
8
-
Gain = 16
-
-
GBW/
16
-
Table 82. OPAMP characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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