Datasheet

DS13105 Rev 4 67/135
STM32WLE5J8/JB/JC Electrical characteristics
127
BI_L Blocking immunity, LoRa
Offset = ±1 MHz, BW = 125 kHz,
SF = 12
-87 -
dB
Offset = ±2 MHz, BW = 125 kHz,
SF = 12
-91 -
Offset = ±10 MHz, BW = 125 kHz,
SF = 12
-96 -
IIP3 Third order input intercept point
Unwanted tones are 1 MHz and
1.96 MHz above LO.
868 to 915 MHz band
-–9 -
dBm
Unwanted tones are 1 MHz and
1.96 MHz above LO.
433 MHz band
- –15 -
IMA Image attenuation
Without IQ calibration - 30 -
dB
With IQ calibration - 54 -
BW_F DSB channel filter BW, FSK Programmable, typical values 4.8 - 467 kHz
TS_RX Receiver wakeup time FS to RWX - 41 - µs
FERR_L
Maximum tolerated frequency
offset between transmitter and
receiver, SF7 to SF12
All bandwidths, ±25 % of BW.
The tighter limit between this line
and the three lines below applies.
-±25 - BW
Maximum tolerated frequency
offset between transmitter and
receiver, SF10 to SF12
SF12 –50 - 50
ppmSF11 –100 - 100
SF10 –200 - 200
Table 29. Sub-GHz radio receive mode specifications (continued)
Symbol Description Conditions Min Typ Max Unit
Table 30. Sub-GHz radio transmit mode specifications
Symbol Description Conditions Min Typ Max Unit
TXOP Max RF output power
Highest power step setting
for low-power PA (LP PA)
-+15
(1)
-
dBm
Highest power step setting
for high-power PA (HP PA)
-+22-
TXDRP
RF output power drop
versus supply voltage
LP PA, under SMPS or LDO
VDDop range from 1.8 to 3.7 V
-0.5-
dB
HP PA, +22 dBm, V
DD
= 2.7 V - 2 -
HP PA, +22 dBm, V
DD
= 2.4 V - 3 -
HP PA, +22 dBm, V
DD
= 1.8 V - 6 -
TXPRNG RF output power range
Programmable in 31 steps,
typical value
TXOP-31 - TXOP dBm
TXACC
RF output power step
accuracy
--±2-dB