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STM32G474CB bảng dữ liệu(PDF) 169 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Arm® Cortex®-M4 32-bit MCUFPU, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math acc, 184 ps 12 chan Hi-res timer
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STM32G474CB bảng dữ liệu(HTML) 169 Page - STMicroelectronics

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STM32G474xB STM32G474xC STM32G474xE
Electrical characteristics
200
5.3.24
Temperature sensor characteristics
5.3.25
VBAT monitoring characteristics
Table 81. TS characteristics
Symbol
Parameter
Min
Typ
Max
Unit
TL(1)
1. Guaranteed by design.
VTS linearity with temperature
-
±1
±2
°C
Avg_Slope(1)
Average slope
2.3
2.5
2.7
mV/°C
V30
Voltage at 30°C (±5 °C)(2)
2. Measured at VDDA = 3.0 V ±10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte. Refer
to Table 5: Temperature sensor calibration values.
0.742
0.76
0.785
V
tSTART-RUN(1)
Start-up time in Run mode (start-up of buffer)
-
8
15
µs
tSTART_CONT(3)
3.
Continuous mode means RUN mode or Temperature Sensor ON.
Start-up time when entering in continuous
mode
-
70
120
µs
tS_temp(1)
ADC sampling time when reading the
temperature
5-
-
µs
IDD(TS)(1)
Temperature sensor consumption from VDD,
when selected by ADC
-4.7
7
µA
Table 82. VBAT monitoring characteristics
Symbol
Parameter
Min
Typ
Max
Unit
R
Resistor bridge for VBAT
-39
-
kΩ
QRatio on VBAT measurement
-
3
-
-
Er(1)
1. Guaranteed by design.
Error on Q
-10
-
10
%
tS_vbat(1)
ADC sampling time when reading the
VBAT
12
-
-
µs
Table 83. VBAT charging characteristics
Symbol
Parameter Conditions
Min
Typ
Max
Unit
RBC
Battery
charging
resistor
VBRS = 0
-
5
-
kΩ
VBRS = 1
-
1.5
-



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