STM32F373VC datasheet(105/137 Pages) STMICROELECTRONICS

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STM32F373xx

Electrical characteristics

114

6.3.20

Temperature sensor characteristics

6.3.21

VBAT 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,

VDDA= 3.3 V

0x1FFF F7B8 - 0x1FFF F7B9

TS_CAL2

TS ADC raw data acquired at

temperature of 110 °C ± 5 °C

VDDA= 3.3 V

0x1FFF F7C2 - 0x1FFF F7C3

Table 66. TS characteristics

Symbol

Parameter

Min

Typ

Max

Unit

VSENSE linearity with temperature

±1

±2

°C

Avg_Slope(1)

Average slope

4.0

4.3

4.6

mV/°C

V25

Voltage at 25 °C

1.34

1.43

1.52

tSTART(1)

1. Guaranteed by design.

Startup time

µs

TS_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. VBAT monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-50-

Ratio on VBAT measurement

Er(1)

1. Guaranteed by design.

Error on Q

-1

TS_vbat(2)

2. Shortest sampling time can be determined in the application by multiple iterations.

ADC sampling time when reading the VBAT

1mV accuracy

µs

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