STM32L431 datasheet(155/200 Pages) STMICROELECTRONICS

155 / 200 page

DocID028800 Rev 1

155/200

STM32L431xx

Electrical characteristics

168

6.3.22

Temperature sensor characteristics

6.3.23

VBAT monitoring characteristics

6.3.24

Timer characteristics

The parameters given in the following tables 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 75. TS characteristics

Symbol

Parameter

Min

Typ

Max

Unit

TL(1)

VTS linearity with temperature

±1

±2

°C

Avg_Slope(2)

Average slope

2.3

2.5

2.7

mV/°C

V30

Voltage at 30°C (±5 °C)(3)

0.742

0.76

0.785

tSTART

(TS_BUF)(1)

Sensor Buffer Start-up time in continuous mode(4)

-8

µs

tSTART(1)

Start-up time when entering in continuous mode(4)

-70

120

µs

tS_temp(1)

ADC sampling time when reading the temperature

µs

IDD(TS)(1)

Temperature sensor consumption from VDD, when

selected by ADC

-4.7

µA

1. Guaranteed by design.

2. Guaranteed by characterization results.

3. Measured at VDDA = 3.0 V ±10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte. Refer to Table 7:

Temperature sensor calibration values.

Continuous mode means Run/Sleep modes, or temperature sensor enable in Low-power run/Low-power sleep modes.

Table 76. VBAT monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-39

kΩ

QRatio on VBAT measurement

Er(1)

1. Guaranteed by design.

Error on Q

-10

tS_vbat(1)

ADC sampling time when reading the VBAT

µs

Table 77. VBAT charging characteristics

Symbol

Parameter Conditions

Min

Typ

Max

Unit

RBC

Battery

charging

resistor

VBRS = 0

kΩ

VBRS = 1

1.5

STM32L431 датащи(PDF) 155 Page - STMicroelectronics

STM32L431 датащи(HTML) 155 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL