STM32F415RG datasheet(135/186 Pages) STMICROELECTRONICS

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STM32F415xx, STM32F417xx

Electrical characteristics

5.3.21

Temperature sensor characteristics

5.3.22

VBAT monitoring characteristics

Table 69. Temperature sensor characteristics

Symbol

Parameter

Min

Typ

Max

Unit

TL(1)

VSENSE linearity with temperature

±1

±2°C

Avg_Slope(1) Average slope

2.5

mV/°C

V25(1)

Voltage at 25 °C

0.76

tSTART(2)

Startup time

µs

TS_temp(3)(2) ADC sampling time when reading the temperature (1 °C accuracy)

µs

1. Based on characterization, not tested in production.

2. Guaranteed by design, not tested in production.

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

Table 70. Temperature sensor calibration values

Symbol

Parameter

Memory address

TS_CAL1 TS ADC raw data acquired at temperature of 30 °C, VDDA=3.3 V

0x1FFF 7A2C - 0x1FFF 7A2D

TS_CAL2 TS ADC raw data acquired at temperature of 110 °C, VDDA=3.3 V 0x1FFF 7A2E - 0x1FFF 7A2F

Table 71. VBAT monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-50-

Ratio on VBAT measurement

Er(1)

Error on Q

–1

TS_vbat(2)(2)

ADC sampling time when reading the VBAT

1 mV accuracy

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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