Datasheet

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STM32F373xx Electrical characteristics
114
6.3.20 Temperature sensor characteristics
6.3.21 V
BAT
monitoring characteristics
6.3.22 Timer characteristics
The parameters given in Table 68 are guaranteed by design.
Refer to Section 6.3.14: I/O port characteristics for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
Table 65. Temperature sensor calibration values
Calibration value name Description Memory address
TS_CAL1
TS ADC raw data acquired at
temperature of 30 °C ± 5 °C,
V
DDA
= 3.3 V
0x1FFF F7B8 - 0x1FFF F7B9
TS_CAL2
TS ADC raw data acquired at
temperature of 110 °C ± 5 °C
V
DDA
= 3.3 V
0x1FFF F7C2 - 0x1FFF F7C3
Table 66. TS characteristics
Symbol Parameter Min Typ Max Unit
T
L
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)
1. Guaranteed by design.
Startup time 4 - 10 µs
T
S_temp
(2)(1)
2. Shortest sampling time can be determined in the application by multiple iterations.
ADC sampling time when reading the
temperature
17.1 - - µs
Table 67. 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
(2)
2. Shortest sampling time can be determined in the application by multiple iterations.
ADC sampling time when reading the V
BAT
1mV accuracy
5--µs
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