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STM32WL33CBV7 Datasheet(PDF) 50 Page - STMicroelectronics

Part # STM32WL33CBV7
Description  Multiprotocol LPWAN 32-bit MCU Arm® Cortex®-M0 2(G)FSK, 4(G)FSK, ASK, D-BPSK, up to 256KB flash, 32KB SRAM
PDF  91 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WL33CBV7 Datasheet(HTML) 50 Page - STMicroelectronics

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Parameter
Test condition
HPM
LPM
Unit
Selectivity and blocking 0.1% BER @ 2-
GFSK, BT = 0.5, FDEV = 20 kHz , DR =
38.4 kbit/s, CHF = 100 kHz.
Wanted signal = ETSI sensitivity + 3 dB =
-94 dBm.
Not modulated interferer signal.
±2 MHz
dBm
-23
-23
±10 MHz
-16
-17
±15 MHz
-16
-16
ETSI saturation at adjacent channel 0.1%
BER @ 2-GFSK, BT = 0.5, FDEV =
1.2 kHz, DR = 1.2 kbit/s, CHF = 4 kHz.
Wanted signal = -68 dBm
Offset = ±25 kHz (adjacent channel)
-3
-6
dBm
ETSI saturation at adjacent channel 0.1%.
BER @ 2-GFSK, BT = 0.5, FDEV =
20 kHz , DR = 38.4 kbit/s, CHF =
100 kHz.
Wanted signal = - 54 dBm
Offset = ±100 kHz (adjacent channel)
-3
-6
dBm
Table 32. Sensitivity at 868.5 MHz (SMPS clock frequency = 4.27 MHz)
Parameter
Test condition(1)
SMPS OFF
HPM/LPM SMPS ON
Unit
0.1% BER
1% BER
0.1% BER
1% BER
Sensitivity BER @ 2-
GFSK, BT = 0.5
DR = 0.3 kbit/s, FDEV = 0.25 kHz,
CHF = 1.7 kHz
-126
-128
-126
-128
dBm
DR = 1.2 kbit/s, FDEV = 1.2 kHz,
CHF = 4 kHz
-122
-124
-122
-124
DR = 38.4 kbit/s, FDEV = 20 kHz,
CHF = 74.8 kHz
-110
-112
-110
-112
DR = 38.4 kbit/s, FDEV = 20 kHz,
CHF = 100 kHz (TX pin connected
10 dBm BOM)
-110
-112
-110
-112
DR = 38.4 kbit/s, FDEV = 20 kHz,
CHF = 100 kHz (TXHP pin
connected and 16 dBm BOM)
-109
-111
-109
-111
DR = 300 kbit/s, FDEV = 150 kHz,
CHF = 780 kHz
-101
-103
-101
-103
Sensitivity BER @ 4-
GFSK, BT = 0.5
DR = 4.8 ks/s, DEV = 2.4 kHz, CHF
= 10 kHz
-111
-114
-111
-114
DR = 9.6 ks/s, DEV = 4.8 kHz, CHF
= 20 kHz
-108
-111
-108
-111
DR = 19.2 ks/s, DEV = 9.6 kHz,
CHF = 40 kHz
-105
-108
-105
-108
DR = 300 ks/s, DEV = 300 kHz,
CHF = 900 kHz
-96
-99
-96
-99
Sensitivity BER @
OOK
DR = 0.3 kbit/s, CHF = 1.7 kHz
-128
-131
-128
-131
DR = 1.2 kbit/s, CHF = 4 kHz
-122
-125
-122
-125
DR = 38.4 kbit/s, CHF = 120 kHz
-107
-110
-107
-110
DR = 125 kbit/s, CHF = 400 kHz
-102
-105
-102
-105
1. For optimal results in 868 MHz sensitivity tests, the KRM feature needs to be used.
STM32WL33xx
Electrical characteristics
DS14221 - Rev 5
page 50/91



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