STM32WBA50KG datasheet(62/110 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32WBA50KG

62/110

DS14688 Rev 1

5.3.3

RF characteristics

3. This formula applies only to power supplies related to the I/O structure described by the pin definition table. The maximum

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

4. For operation with voltages higher than min (VDD, VDDA) + 0.3 V, the internal pull-up/pull-down resistors must be disabled.

5. Without system clock frequency step limiting.

6. In low-power dissipation state, TA can be extended to this range as long as TJ does not exceed TJ max (see Section 6.3).

Table 27. Generic RF transmitter characteristics(1)

Symbol

Parameter

Test conditions

Standard Min

Typ

Max

Unit

Ptxmax

Maximum output power

4.0

dBm

Ptxmin

Minimum output power

-20

dBm

∆Ptx

Output power step

Pfreqband

Output power ± variation over

the frequency band

Ptxmax max setting

0.4

Ptemp

Output power ± variation over

the temperature

Ptxmax max setting

-40 °C ≤ TJ ≤ +105 °C

2.9

P2ndHARM

Second harmonic

Ptxmax max setting

-69.5

dBm

P3rdHARM

Third harmonic

Ptxmax max setting

-70.5

OBSE1Mbps

Out of band spurious

emission 1 Mbps

< 1 GHz Ptxmax max setting

(2)

--51

≥ 1 GHz Ptxmax max setting

-43

OBSE2Mbps

Out of band spurious

emission 2 Mbps

< 1 GHz Ptxmax max setting

(2)

--54

≥ 1 GHz Ptxmax max setting

-45

1. Evaluated by characterization, not tested in production, unless otherwise specified. Measured in conducted mode, based

on reference design (see AN5165), using output power specific external RF filter and impedance matching networks to

interface with a 50 Ω antenna.

2. Suitable for systems targeting compliance with worldwide radio-frequency regulations ETSI EN 300 328 and EN 300 440

Class 2 (Europe), FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan).

Table 28. Generic RF receiver characteristics(1)

Symbol

Parameter

Test conditions

Standard

Min

Typ

Max

Unit

Rssimax

RSSI maximum value

-32

dBm

Rssimin

RSSI minimum value

-75

Rssiaccu

RSSI accuracy

±6

1. Evaluated by characterization, not tested in production, unless otherwise specified. Measured in conducted mode, based

on reference design (see AN5165), using output power specific external RF filter and impedance matching networks to

interface with a 50 Ω antenna.

STM32WBA50KG Datasheet(PDF) 62 Page - STMicroelectronics

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