STM32WB55CCU6ATR datasheet(88/193 Pages) STMICROELECTRONICS

88 / 193 page

Electrical characteristics

STM32WB55xx STM32WB35xx

88/193

DS11929 Rev 10

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)(3)(4)

Power dissipation at



TA = 85 °C for suffix 6



TA = 105 °C for suffix 7(5)

UFQFPN48

803

VFQFPN68

425

WLCSP100

558

UFBGA129

481

Ambient temperature for the

suffix 6 version

Maximum power dissipation

–40

°C

Low-power dissipation(6)

105

Ambient temperature for the

suffix 7 version

Maximum power dissipation

–40

105

Low-power dissipation(6)

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. When VDDmin is lower then 1.95 V, the SMPS operation mode must be conditioned by enabling the BORH configuration to

force SMPS bypass mode, or the SMPS must not be enabled.

3. 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.

4. 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.

5. If TA is lower, higher PD values are allowed as long as TJ does not exceed TJmax (see Section 7.5: Thermal

characteristics).

6. In low-power dissipation state, TA can be extended to this range as long as TJ does not exceed TJmax (see Section 7.5:

Thermal characteristics).

Table 24. General operating conditions (continued)

Symbol

Parameter

Conditions

Min

Max

Unit

Table 25. RF transmitter BLE characteristics

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Fop

Frequency operating range

2402

2480

MHz

Fxtal

Crystal frequency

∆F

Delta frequency

250

kHz

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