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PDF RF97 Data sheet ( Hoja de datos )

Número de pieza RF97
Descripción (RF96 - RF98) 137 MHz to 1020 MHz Low Power Long Range Transceiver
Fabricantes HOPERF　
Logotipo HOPERF Logotipo



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RF96/97/98
RF96/97/98 - 137 MHz to 1020 MHz Low Power Long Range Transceiver
GENERAL DESCRIPTION
The RF96/97/98 transceivers feature the LoRaTM long
range modem that provides ultra-long range spread
spectrum communication and high interference immunity
whilst minimising current consumption.
Using Hope RF‟s patented LoRaTM modulation technique
RF96/97/98 can achieve a sensitivity of over -148dBm
using a low cost crystal and bill of materials. The high
sensitivity combined with the integrated +20 dBm power
amplifier yields industry leading link budget making it
optimal for any application requiring range or robustness.
LoRaTM also provides significant advantages in both blocking
and selectivity over conventional modulation techniques,
solving the traditional design compromise between range,
interference immunity and energy consumption.
These devices also support high performance (G)FSK
modes for systems including WMBus, IEEE802.15.4g. The
RF96/97/98 deliver exceptional phase noise, selectivity,
receiver linearity and IIP3 for significantly lower current
consumption than competing devices.
ORDERING INFORMATION
Part Number
Delivery
MOQ / Multiple
KEY PRODUCT FEATURES
LoRaTM Modem.
168 dB maximum link budget.
+20 dBm - 100 mW constant RF output vs. V supply.
+14 dBm high efficiency PA.
Programmable bit rate up to 300 kbps.
High sensitivity: down to -148 dBm.
Bullet-proof front end: IIP3 = -12.5 dBm.
Excellent blocking immunity.
Low RX current of 10.3 mA, 200 nA register retention.
Fully integrated synthesizer with a resolution of 61 Hz.
FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
Built-in bit synchronizer for clock recovery.
Preamble detection.
127 dB Dynamic Range RSSI.
Automatic RF Sense and CAD with ultra-fast AFC.
Packet engine up to 256 bytes with CRC.
Built-in temperature sensor and low battery indicator.
RF96
RF97
RF98
T&R
T&R
T&R
3000 pieces
3000 pieces
3000 pieces
QFN 28 Package - Operating Range [-40;+85°C]
Pb-free, Halogen free, RoHS/WEEE compliant product
APPLICATIONS
Automated Meter Reading.
Home and Building Automation.
Wireless Alarm and Security Systems.
Industrial Monitoring and Control
Long range Irrigation Systems
Page 1
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
Free Datasheet http://www.datasheet4u.com/

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RF97 pdf
Section
RF96/97/98
Page
Table 1. RF96/97/98 Device Variants and Key Parameters ...........................................................................................10
Table 2. Absolute Maximum Ratings .............................................................................................................................12
Table 3. Operating Range .............................................................................................................................................12
Table 4. Power Consumption Specification ...................................................................................................................13
Table 5. Frequency Synthesizer Specification ..............................................................................................................13
Table 6. FSK/OOK Receiver Specification ....................................................................................................................14
Table 7. Transmitter Specification .................................................................................................................................15
Table 8. LoRa Receiver Specification. ..........................................................................................................................17
Table 9. Digital Specification .........................................................................................................................................19
Table 10. Example LoRaTM Modem Performances .....................................................................................................22
Table 11. Range of Spreading Factors ..........................................................................................................................24
Table 12. Cyclic Coding Overhead ................................................................................................................................24
Table 13. LoRaTM Operating Mode Functionality .........................................................................................................31
Table 14. LoRa CAD Consumption Figures ..................................................................................................................40
Table 15. DIO Mapping LoRaTM Mode .........................................................................................................................41
Table 16. Bit Rate Examples .........................................................................................................................................42
Table 17. Preamble Detector Settings ...........................................................................................................................48
Table 18. RxTrigger Settings to Enable Timeout Interrupts ..........................................................................................49
Table 19. Basic Transceiver Modes ..............................................................................................................................50
Table 20. Receiver Startup Time Summary ..................................................................................................................51
Table 21. Receiver Startup Options ..............................................................................................................................54
Table 22. Sequencer States ..........................................................................................................................................55
Table 23. Sequencer Transition Options .......................................................................................................................56
Table 24. Sequencer Timer Settings .............................................................................................................................58
Table 25. Status of FIFO when Switching Between Different Modes of the Chip .........................................................62
Table 26. DIO Mapping, Continuous Mode ...................................................................................................................64
Table 27. DIO Mapping, Packet Mode ..........................................................................................................................64
Table 28. CRC Description ...........................................................................................................................................72
Table 29. Power Amplifier Mode Selection Truth Table ................................................................................................78
Table 30. High Power Settings ......................................................................................................................................79
Table 31. Operating Range, +20dBm Operation ...........................................................................................................79
Table 32. Operating Range, +20dBm Operation ...........................................................................................................79
Table 33. Trimming of the OCP Current ........................................................................................................................80
Table 34. LNA Gain Control and Performances ............................................................................................................81
Table 35. RssiSmoothing Options .................................................................................................................................82
Table 36. Available RxBw Settings ................................................................................................................................82
Table 37. Registers Summary .......................................................................................................................................84
Table 38. Register Map .................................................................................................................................................87
Table 39. Low Frequency Additional Registers ...........................................................................................................100
Page 5
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
Free Datasheet http://www.datasheet4u.com/

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RF97 arduino
WIRELESS & SENSING
PRELIMINARY
RF96/97/98
DATASHEET
1.4. Pin Description
Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Name
GROUND
RFI_LF
VR_ANA
VBAT_ANA
VR_DIG
XTA
XTB
NRESET
DIO0
DIO1/DCLK
DIO2/DATA
DIO3
DIO4
DIO5
VBAT_DIG
GND
SCK
MISO
MOSI
NSS
RXTX/RF_MOD
RFI_HF
RFO_HF
GND
VBAT_RF
VR_PA
GND
PA_BOOST
RFO_LF
Type
-
I
-
-
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
-
I
O
I
I
O
I
O
-
-
-
-
O
O
Description
Exposed ground pad.
RF input for lower bands
Regulated supply voltage for analogue circuitry
Supply voltage for analogue circuitry
Regulated supply voltage for digital blocks
XTAL connection or TCXO input
XTAL connection.
Reset trigger input.
Digital I/O, software configured.
Digital I/O, software configured.
Digital I/O, software configured.
Digital I/O, software configured.
Digital I/O, software configured.
Digital I/O, software configured.
Supply voltage for digital blocks
Ground
SPI Clock input
SPI Data output
SPI Data input
SPI Chip select input
Rx/Tx switch control: high in Tx
RF input for upper bands
RF output for upper bands
Ground
Supply voltage for RF blocks
Regulated supply for the PA
Ground
Optional high-power PA output, lower or upper bands
RF output for lower bands
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
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