Datasheet

DocID025147 Rev 7 117/138
STM32F302x6 STM32F302x8 Electrical characteristics
117
6.3.22 Temperature sensor characteristics
6.3.23 V
BAT
monitoring characteristics
Table 74. TS characteristics
Symbol Parameter Min Typ Max Unit
T
L
(1)
1. Guaranteed by design.
V
SENSE
linearity with temperature - ±1 ±2°C
Avg_Slope
(1)
Average slope 4.0 4.3 4.6 mV/°C
V
25
Voltage at 25 °C 1.34 1.43 1.52 V
t
START
(1)
Startup time 4 - 10 µs
T
S_temp
(1)(2)
2. Shortest sampling time can be determined in the application by multiple iterations.
ADC sampling time when reading the
temperature
2.2 - - µs
Table 75. Temperature sensor calibration values
Calibration value name Description Memory address
TS_CAL1
TS ADC raw data acquired at
temperature of 30 °C,
V
DDA
= 3.3 V
0x1FFF F7B8 - 0x1FFF F7B9
TS_CAL2
TS ADC raw data acquired at
temperature of 110 °C
V
DDA
= 3.3 V
0x1FFF F7C2 - 0x1FFF F7C3
Table 76. V
BAT
monitoring characteristics
Symbol Parameter Min Typ Max Unit
R Resistor bridge for V
BAT
-50-KΩ
Q
Ratio on V
BAT
measurement - 2 -
Er
(1)
1. Guaranteed by design.
Error on Q -1 - +1 %
T
S_vbat
(1)(2)
2. Shortest sampling time can be determined in the application by multiple iterations.
ADC sampling time when reading the V
BAT
1mV accuracy
2.2 - - µs
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