SX1276 Просмотр технического описания (PDF) - Semtech Corporation
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SX1276 Datasheet PDF : 132 Pages
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SX1276/77/78/79
WIRELESS, SENSING & TIMING
DATASHEET
1.2. Product Versions
The features of the four product variants are detailed in the following table.
Table 1 SX1276/77/78/79 Device Variants and Key Parameters
Part Number
SX1276
SX1277
SX1278
SX1279
Frequency Range
137 - 1020 MHz
137 - 1020 MHz
137 - 525 MHz
137 - 960MHz
Spreading Factor
6 - 12
6-9
6- 12
6- 12
Bandwidth
7.8 - 500 kHz
7.8 - 500 kHz
7.8 - 500 kHz
7.8 - 500 kHz
Effective Bitrate
.018 - 37.5 kbps
0.11 - 37.5 kbps
.018 - 37.5 kbps
.018 - 37.5 kbps
Est. Sensitivity
-111 to -148 dBm
-111 to -139 dBm
-111 to -148 dBm
-111 to -148 dBm
1.3. Pin Diagram
The following diagram shows the pin arrangement of the QFN package, top view.
1 RFI_LF
2 VR_ANA
3 VBAT_ANA
4 VR_DIG
5 XTA
6 XTB
7 NRESET
0 GND
21 RFI_HF
20 RXTX/RFMOD
19 NSS
18 MOSI
17 MISO
16 SCK
15 GND
1 RFI_LF
2 VR_ANA
3 VBAT_ANA
4 VR_DIG
5 XTA
6 XTB
7 NRESET
0 GND
21 GND
20 RXTX/RFMOD
19 NSS
18 MOSI
17 MISO
16 SCK
15 GND
SX1276/77/79
Figure 2. Pin Diagrams
SX1278
Rev. 4 - March 2015
©2015 Semtech Corporation
Page 10
www.semtech.com
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