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RF97 Schematic ( PDF Datasheet ) - HOPERF

Teilenummer RF97
Beschreibung (RF96 - RF98) 137 MHz to 1020 MHz Low Power Long Range Transceiver
Hersteller HOPERF
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Gesamt 30 Seiten
RF97 Datasheet, Funktion
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 RFs 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
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RF97 Datasheet, Funktion
Section
RF96/97/98
Page
Table 40. High Frequency Additional Registers ..........................................................................................................101
Table 41. Crystal Specification ....................................................................................................................................108
Table 42. Listen Mode with PreambleDetect Condition Settings .................................................................................111
Table 43. Listen Mode with PreambleDetect Condition Recommended DIO Mapping ...............................................111
Table 44. Listen Mode with SyncAddress Condition Settings .....................................................................................114
Table 45. Listen Mode with PreambleDetect Condition Recommended DIO Mapping ...............................................114
Table 46. Beacon Mode Settings ................................................................................................................................116
Table 47. Revision History ...........................................................................................................................................121
Page 6
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
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RF97 pdf, datenblatt
WIRELESS & SENSING
PRELIMINARY
RF96/97/98
DATASHEET
2. Electrical Characteristics
2.1. ESD Notice
The RF96/97/98 is a high performance radio frequency device. It satisfies:
Class 2 of the JEDEC standard JESD22-A114-B (Human Body Model) on all pins.
Class III of the JEDEC standard JESD22-C101C (Charged Device Model) on all pins
It should thus be handled with all the necessary ESD precautions to avoid any permanent damage.
2.2. Absolute Maximum Ratings
Stresses above the values listed below may cause permanent device failure. Exposure to absolute maximum ratings for
extended periods may affect device reliability.
Table 49 Absolute Maximum Ratings
Symbol
VDDmr
Tmr
Tj
Pmr
Supply Voltage
Temperature
Junction temperature
RF Input Level
Description
Note Specific ratings apply to +20 dBm operation (see Section 5.4.3).
2.3. Operating Range
Table 50 Operating Range
Min Max Unit
-0.5 3.9 V
-55
+115
°C
-
+125
°C
- +10 dBm
Symbol
VDDop
Top
Clop
ML
Description
Supply voltage
Operational temperature range
Load capacitance on digital ports
RF Input Level
Min
1.8
-40
-
-
Note A specific supply voltage range applies to +20 dBm operation (see Section 5.4.3).
Max Unit
3.7 V
+85 °C
25 pF
+10 dBm
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
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