RFM95W
The RFM95W is an electronic component from W. View the full RFM95W datasheet below including absolute maximum ratings.
Manufacturer
W
Overview
Part: RFM95/96/97/98(W) — Hope RF
Type: Low Power Long Range Transceiver Module
Description: LoRa™ long range modem providing ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption, featuring a +20 dBm power amplifier and sensitivity down to -148 dBm.
Operating Conditions:
- Max bit rate: up to 300 kbps
- RF output power: +20 dBm (100 mW)
Key Specs:
- Maximum link budget: 168 dB
- High sensitivity: down to -148 dBm
- IIP3: -12.5 dBm
- Low RX current: 10.3 mA
- Register retention current: 200 nA
- Synthesizer resolution: 61 Hz
- Dynamic Range RSSI: 127 dB
- Packet engine size: up to 256 bytes
Features:
- LoRa™ Modem
- +20 dBm - 100 mW constant RF output vs. V supply
- +14 dBm high efficiency PA
- FSK, GFSK, MSK, GMSK, LoRa™ and OOK modulation
- Built-in bit synchronizer for clock recovery
- Preamble detection
- Automatic RF Sense and CAD with ultra-fast AFC
- Packet engine with CRC
- Built-in temperature sensor and low battery indicator
Applications:
- Automated Meter Reading
- Home and Building Automation
- Wireless Alarm and Security Systems
- Industrial Monitoring and Control
- Long range Irrigation Systems
Package:
- Module Size: 16*16mm
Features
- LoRa TM 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, LoRa TM 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.
- Modue Size : 16*16mm
Applications
- Automated Meter Reading.
- Home and Building Automation.
- Wireless Alarm and Security Systems.
- Industrial Monitoring and Control
- Long range Irrigation Systems
Section Page
| 1. General Description................................................................................................................................................. | 9 | 1. General Description................................................................................................................................................. |
|---|---|---|
| Diagram................................................................................................................................. 9 | ||
| 1.2. Product Versions .........................................................................................................................................10 | 1.2. Product Versions .........................................................................................................................................10 | 1.2. Product Versions .........................................................................................................................................10 |
| 1.3. Pin Diagram ................................................................................................................................................... | 11 | 1.3. Pin Diagram ................................................................................................................................................... |
| 1.4. Pin Description............................................................................................................................................... 2. Electrical Characteristics ....................................................................................................................................... | 12 | 1.4. Pin Description............................................................................................................................................... 2. Electrical Characteristics ....................................................................................................................................... |
| 2.1. ESD Notice .................................................................................................................................................... | 12 Maximum Ratings ........................................................................................................................... 12 | 2.1. ESD Notice .................................................................................................................................................... |
| 2.3. Operating Range............................................................................................................................................ | 12 | 2.3. Operating Range............................................................................................................................................ |
| 2.4. Chip Specification .......................................................................................................................................13 | 2.4. Chip Specification .......................................................................................................................................13 | 2.4. Chip Specification .......................................................................................................................................13 |
| 2.4.1. Power Consumption.................................................................................................................................. | 13 | 2.4.1. Power Consumption.................................................................................................................................. |
| 2.4.2. Frequency Synthesis................................................................................................................................. | 13 | 2.4.2. Frequency Synthesis................................................................................................................................. |
| 2.4.3. FSK/OOK Mode Receiver ......................................................................................................................... | 14 | 2.4.3. FSK/OOK Mode Receiver ......................................................................................................................... |
| 2.4.4. FSK/OOK Mode Transmitter ..................................................................................................................... | 15 | 2.4.4. FSK/OOK Mode Transmitter ..................................................................................................................... |
| 2.4.5. Electrical specification for LoraTM modulation.......................................................................................... | 16 | 2.4.5. Electrical specification for LoraTM modulation.......................................................................................... |
| 2.4.6. Digital Specification................................................................................................................................... | 19 | 2.4.6. Digital Specification................................................................................................................................... |
| 3. RFM95/96/97/98(W) Features................................................................................................................................ | 20 | 3. RFM95/96/97/98(W) Features................................................................................................................................ |
| 3.1. LoRaTM Modem............................................................................................................................................. | 21 21 | 3.1. LoRaTM Modem............................................................................................................................................. |
| 3.2. FSK/OOK Modem........................................................................................................................................... | 22 | 3.2. FSK/OOK Modem........................................................................................................................................... |
| 4. RFM95/96/97/98(W) Digital Electronics ................................................................................................................. | 22 | 4. RFM95/96/97/98(W) Digital Electronics ................................................................................................................. |
| 4.1. The LoRaTM Modem..................................................................................................................................... | 4.1. The LoRaTM Modem..................................................................................................................................... | 4.1. The LoRaTM Modem..................................................................................................................................... |
| 4.1.1. Link Design Using the LoRaTM Modem .................................................................................................23 | 4.1.1. Link Design Using the LoRaTM Modem .................................................................................................23 | 4.1.1. Link Design Using the LoRaTM Modem .................................................................................................23 |
| 4.1.2. LoRaTM Digital Interface ........................................................................................................................29 | 4.1.2. LoRaTM Digital Interface ........................................................................................................................29 | 4.1.2. LoRaTM Digital Interface ........................................................................................................................29 |
| 4.1.3. Operation of the LoRaTM Modem............................................................................................................. | 31 | 4.1.3. Operation of the LoRaTM Modem............................................................................................................. |
| 4.1.4. Frequency Settings ................................................................................................................................32 | Modem State Machine Sequences ...........................................................................................33 | 4.1.4. Frequency Settings ................................................................................................................................32 |
| 4.2. FSK/OOK Modem.......................................................................................................................................... | 41 | 4.2. FSK/OOK Modem.......................................................................................................................................... |
| 4.2.1. Bit Rate Setting ......................................................................................................................................... | 41 Reception ................................................................................................................................. 43 | 4.2.1. Bit Rate Setting ......................................................................................................................................... |
| 4.2.4. Operating Modes in FSK/OOK Mode........................................................................................................ | 50 | 4.2.4. Operating Modes in FSK/OOK Mode........................................................................................................ |
| 4.2.5. Startup Times............................................................................................................................................ | 50 | 4.2.5. Startup Times............................................................................................................................................ |
| 4.2.6. Receiver Startup Options .......................................................................................................................... | 53 | 4.2.6. Receiver Startup Options .......................................................................................................................... |
| 4.2.7. Receiver Restart Methods......................................................................................................................... | 54 | 4.2.7. Receiver Restart Methods......................................................................................................................... |
| 4.2.8. Top Level Sequencer ................................................................................................................................ | 55 | 4.2.8. Top Level Sequencer ................................................................................................................................ |
| 4.2.9. Data Processing in FSK/OOK Mode......................................................................................................... | 60 | 4.2.9. Data Processing in FSK/OOK Mode......................................................................................................... |
| 4.2.10. FIFO .....................................................................................................................................................61 | 4.2.10. FIFO .....................................................................................................................................................61 Pins Mapping........................................................................................................................... 64 | 4.2.10. FIFO .....................................................................................................................................................61 |
| 4.2.12. Continuous Mode.................................................................................................................................... | 65 | 4.2.12. Continuous Mode.................................................................................................................................... |
Pin Configuration
| Number | Name | Type | Description Description Stand Alone Mode |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | MISO | I | SPI Data output |
| 3 | MOSI | O | SPI Data input |
| 4 | SCK | I | SPI Clock input |
| 5 | NSS | I | SPI Chip select input |
| 6 | RESET | I/O | Reset trigger input |
| 7 | DIO5 | I/O | Digital I/O, software configured |
| 8 | GND | - | Ground |
| 9 | ANT | - | RF signal output/input. |
| 10 | GND | - | Ground |
| 11 | DIO3 | I/O | Digital I/O, software configured |
| 12 | DIO4 | I/O | Digital I/O, software configured |
| 13 | 3.3V | - | Supply voltage |
| 14 | DIO0 | I/O | Digital I/O, software configured |
| 15 | DIO1 | I/O | Digital I/O, software configured |
| 16 | DIO2 | I/O | Digital I/O, software configured |
PRELIMINARY
DATASHEET
WIRELESS & SENSING
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 | Description | Min | Max | Unit |
|---|---|---|---|---|
| VDDmr | Supply Voltage | -0.5 | 3.9 | V |
| Tmr | Temperature | -55 | 115 | ° C |
| Tj | Junction temperature | - | 125 | ° C |
| Pmr | RF Input Level | - | 10 | dBm |
Note Specific ratings apply to +20 dBm operation (see Section 5.4.3).
Package Information
The RFM95/96/97/98(W) is available as shown in Figure 56
UNIT : mm
WIRELESS & SENSING
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| RFM95 | W | — |
| RFM95/96/97/98 | W | — |
| RFM95W-868S2 | RF Solutions | — |
| RFM95W-915S2 | W | — |
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