STM32WB55CEV7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55CEV7

Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5 and 802.15.4 radio solution

STMicroelectronics 

STM32WB55xx STM32WB35xx

Electrical characteristics

6.3.23 Temperature sensor characteristics

Table 85. TS characteristics

Symbol

TL(1)

Avg_Slope(2)

V30

tSTART

(TS_BUF)(1)

tSTART(1)

Parameter

VTS linearity with temperature

Average slope

Voltage at 30 °C (±5 °C)(3)

Sensor buffer start-up time in continuous mode(4)

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

Min

-

2.3

0.742

-

-

Typ

±1

2.5

0.76

8

70

Max

±2

2.7

0.785

15

120

Unit

°C

mV / °C

V

µs

µs

tS_temp(1) ADC sampling time when reading the temperature

5

-

-

µs

IDD(TS)(1)

Temperature sensor consumption from VDD, when

selected by ADC

-

4.7

7

µA

1. Guaranteed by design.

2. Guaranteed by characterization results.

3.

Measured at

Temperature

VseDnDsAo=r

3.0 V ±10

calibration

mV. The

values.

V30

ADC

conversion

result

is

stored

in

the

TS_CAL1

byte.

Refer

to

Table

11:

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

6.3.24

VBAT monitoring characteristics

Symbol

Table 86. VBAT monitoring characteristics(1)

Parameter

Min Typ

R

Resistor bridge for VBAT

Q

Er(2)

Ratio on VBAT measurement

Error on Q

tS_vbat(2) ADC sampling time when reading VBAT

1. 1.55 < VBAT < 3.6 V.

2. Guaranteed by design.

- 3 x 39

-

3

-10

-

12

-

Max

-

-

10

-

Unit

kΩ

-

%

µs

Table 87. VBAT charging characteristics

Symbol

Parameter Conditions

Min

Typ

Max

Unit

Battery

VBRS = 0

-

5

-

RBC

charging

resistor

VBRS = 1

-

1.5

-

kΩ

DS11929 Rev 10

155/193

169

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