STM32WB55CC datasheet(75/165 Pages) STMICROELECTRONICS

75 / 165 page

DS11929 Rev 3

75/165

STM32WB55xx

Electrical characteristics

152

6.3.3

RF BLE characteristics

RF characteristics are given at 1 Mbps, unless otherwise specified.

VFBSMPS SMPS Feedback voltage

1.4

3.6

VDDRF Minimum RF voltage

1.71

3.6

VDDUSB USB supply voltage

USB used

3.0

3.6

USB not used

3.6

VIN

I/O input voltage

TT_xx I/O

–0.3

VDD + 0.3

All I/O except TT_xx

–0.3

min (min (VDD, VDDA,

VDDUSB, VLCD) + 3.6 V,

5.5 V)(2)(3)

Power dissipation at

TA = 85 °C for suffix 6

TA = 105 °C for suffix 7(4)

UFQFPN48

392

VFQFPN68

425

WLCSP100

454

Ambient temperature for the

suffix 6 version

Maximum power dissipation

–40

°C

Low-power dissipation(5)

105

Ambient temperature for the

suffix 7 version

Maximum power dissipation

–40

105

Low-power dissipation(5)

125

Junction temperature range

Suffix 6 version

–40

105

Suffix 7 version

125

1. When RESET is released functionality is guaranteed down to VBOR0 Min.

2. This formula has to be applied only on the power supplies related to the IO structure described by the pin definition table.

Maximum I/O input voltage is the smallest value between min (VDD, VDDA, VDDUSB, VLCD) + 3.6 V and 5.5V.

3. For operation with voltage higher than min (VDD, VDDA, VDDUSB, VLCD) + 0.3 V, the internal pull-up and pull-down resistors

must be disabled.

4. If TA is lower, higher PD values are allowed as long as TJ does not exceed TJmax (see Section 7.4: Thermal

characteristics).

5. In low-power dissipation state, TA can be extended to this range as long as TJ does not exceed TJmax (see Section 7.4:

Thermal characteristics).

Table 22. General operating conditions (continued)

Symbol

Parameter

Conditions

Min

Max

Unit

Table 23. RF transmitter BLE characteristics

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Fop

Frequency operating range

2405

2480

MHz

Fxtal

Crystal frequency

∆F

Delta frequency

250

KHz

Rgfsk

On Air data rate

Mbps

PLLres

RF channel spacing

MHz

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