Data Sheet

Page 17
RFM95/96/97/98(W)
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WIRELESS & SENSING PRELIMINARY DATASHEET
Table 55 LoRa Receiver Specification.
Symbol Description Conditions Min. Typ Max Unit
Lower Bands, Lower BW
Lower Bands, BW = 125 kHz
Lower Bands, BW = 250 kHz
Lower Bands, BW = 500 kHz
-
-
-
-
TBC
11.5
12.4
13.8
-
-
-
-
mA
mA
mA
mA
IDDR_L
Supply current in receiver Lora
TM

mode, LnaBoost off
Higher Bands, Lower BW
Higher Bands, BW = 125 kHz
Higher Bands, BW = 250 kHz
Higher Bands, BW = 500 kHz
-
-
-
-
TBC
10.3
11.1
12.6
-
-
-
-
mA
mA
mA
mA
IDDT_L
Supply current in transmitter mode
RFOP = 13 dBm
RFOP = 7 dBm
-
-
28
20
-
-
mA
mA
IDDT_H_L
Supply current in transmitter mode
with an external impedance
transformation
Using PA_BOOST pin
RFOP = 17 dBm
- 90 - mA
BI_L
Blocking immunity, FRF=868 MHz
CW interferer
offset = +/- 1 MHz
offset = +/- 2 MHz
offset = +/- 10 MHz
-
TBC
TBC
TBC
dB
dB
dB
IIP3_L_HF
3rd order Input Intercept point
Unwanted tones are 1MHz and 1.995
MHz above the LO
Higher bands
Highest LNA gain G1
LNA gain G2, 4dB sensitivity hit
-
-
-12.5
-8.5
-
-
dBm
dBm
IIP3_L_LF
3rd order Input Intercept point
Unwanted tones are 1MHz and 1.995
MHz above the LO
Lower bands
Highest LNA gain G1
LNA gain G2, 2.5dB sensitivity
hit
-
-
-22
-16
-
-
dBm
dBm
IIP2_L
2nd order input intercept point,
highest LNA gain, FRF=868 MHz,
CW interferer.
F1 = FRF + 20 MHz
F2 = FRF+ 20 MHz +
Δf
- +55 - dBm
BR_L Bit rate, Long-Range Mode
From SF6, BW=500kHz to
SF12, BW=7.8kHz
0.018 - 37.5 kbps
RFS_L10
RF sensitivity, Long-Range Mode,
highest LNA gain, LNA boost for
higher bands, using split Rx/Tx path
10.4 kHz bandwidth
SF = 6
SF = 7
SF = 8
SF = 9
SF = 10
SF = 11
SF = 12
-
-
-
-
-
-
-
TBC
-134
TBC
TBC
TBC
TBC
TBC
-
-
-
-
-
-
-
dBm
dBm
dBm
dBm
dBm
dBm
dBm
RFS_L62
RF sensitivity, Long-Range Mode,
highest LNA gain, LNA boost for
higher bands, using split Rx/Tx path
62.5 kHz bandwidth
SF = 6
SF = 7
SF = 8
SF = 9
SF = 10
SF = 11
SF = 12
-
-
-
-
-
-
-
-121
-126
-129
-132
-135
-137
-139
-
-
-
-
-
-
-
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Table 56. Electrical specifications: Lora
TM
mode