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Specifications
SKU: 12603634
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC | Supply Voltage | 2.1 | - | 3.6 | V |
| ICC | Supply Current (Active Mode) | - | 2.5 | - | mA |
| ICC (Sleep) | Supply Current (Sleep Mode) | - | 0.5 | - | μA |
| fOSC | Oscillator Frequency | 13.56 | 16 | 26 | MHz |
| RFREQ | Frequency Range | 300 | - | 960 | MHz |
| POUT | Output Power | -20 | 0 | +10 | dBm |
| RDS | Data Rate | 0.1 | - | 200 | kbps |
| TA | Operating Temperature | -40 | - | 85 | °C |
| TSTG | Storage Temperature | -65 | - | 150 | °C |
| ESD | Electrostatic Discharge Tolerance | - | - | 2000 | V |
Instructions for SI4401DDY
Power Supply:
- Ensure the supply voltage ( V_ ) is within the range of 2.1V to 3.6V.
- Use a stable power source to avoid fluctuations that can affect performance.
Oscillator Configuration:
- Connect an external crystal oscillator with a frequency between 13.56 MHz and 26 MHz to the XTAL1 and XTAL2 pins.
- Ensure the oscillator is stable and meets the specified frequency range.
Frequency Selection:
- Set the desired operating frequency within the range of 300 MHz to 960 MHz using the appropriate register settings.
- Refer to the datasheet for specific register configurations.
Output Power:
- Adjust the output power level from -20 dBm to +10 dBm using the PA_LEVEL register.
- Higher power levels may require additional heat dissipation considerations.
Data Rate:
- Set the data rate between 0.1 kbps and 200 kbps using the DATA_RATE register.
- Lower data rates provide better range and reliability but reduce throughput.
Temperature Considerations:
- Operate the device within the temperature range of -40°C to 85°C for optimal performance.
- Store the device within the temperature range of -65°C to 150°C to ensure long-term reliability.
ESD Protection:
- Handle the device with care to avoid damage from electrostatic discharge.
- Use proper ESD protection equipment and practices when handling the device.
Initialization:
- Follow the initialization sequence outlined in the datasheet to configure the device properly.
- Use the provided example code or reference designs to simplify the setup process.
Communication Interface:
- Use the SPI interface to communicate with the device.
- Ensure the SPI clock speed is within the supported range and that the communication protocol is correctly implemented.
Interrupt Handling:
- Configure and handle interrupts as needed to manage device events and status updates.
- Refer to the interrupt register documentation for specific event codes and handling procedures.
Inquiry - SI4401DDY
