Electrical characteristics
STM32F302xx/STM32F303xx
6.3.22
Temperature sensor characteristics
Table 73. TS characteristics
Symbol
Parameter
Min
Typ
Max
Unit
(1)
TL
VSENSE linearity with temperature
-
1
4.3
1.43
-
2
4.6
1.52
10
°C
mV/°C
V
Avg_Slope(1) Average slope
4.0
1.34
4
V25
Voltage at 25 °C
Startup time
(1)
tSTART
µs
ADC sampling time when reading the
temperature
(1)(2)
TS_temp
2.2
-
-
µs
1. Guaranteed by design, not tested in production.
2. Shortest sampling time can be determined in the application by multiple iterations.
Table 74. Temperature sensor calibration values
Calibration value name
Description
Memory address
TS ADC raw data acquired at
temperature of 30 °C,
TS_CAL1
0x1FFF F7B8 - 0x1FFF F7B9
0x1FFF F7C2 - 0x1FFF F7C3
VDDA= 3.3 V
TS ADC raw data acquired at
temperature of 110 °C
TS_CAL2
VDDA= 3.3 V
6.3.23
V
monitoring characteristics
BAT
Table 75.
Symbol
V
monitoring characteristics
Parameter
BAT
Min
Typ
Max
Unit
R
Q
Er(1)
Resistor bridge for VBAT
Ratio on VBAT measurement
Error on Q
-
-
50
2
-
-
KΩ
-1
-
+1
%
ADC sampling time when reading the VBAT
1mV accuracy
(1)(2)
TS_vbat
2.2
-
-
µs
1. Guaranteed by design, not tested in production.
2. Shortest sampling time can be determined in the application by multiple iterations.
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