Data Sheet

Page 17
RFM95/96/97/98
Te l : + 8 6 - 7 5 5 - 8 2 9 7 3 8 0 5 Fa x : + 8 6 - 7 5 5 - 8 2 9 7 3 5 5 0 E- m a i l : sa l e s @ h o p e r f . c o m h t t p : / / w w w . h o p e r f . c o m
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 spec ifications: Lora
TM
mode