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Specifications
SKU: 12605979
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | 2.7 | - | 5.5 | V | Operating voltage range |
| Standby Current | Icc(STB) | - | 1.5 | - | μA | Current consumption in standby mode |
| Operating Current | Icc(OP) | - | 20 | - | mA | Typical current consumption during operation |
| Output Power | Pout | - | 20 | - | dBm | Typical output power at 50 Ω load |
| Frequency Range | fop | 433 | - | 435 | MHz | Operating frequency range |
| Modulation Type | MOD | - | - | - | ASK, OOK | Types of modulation supported |
| Data Rate | Rb | 0.1 | - | 100 | kbps | Data rate range |
| Supply Current (Active) | Icc(ACT) | - | 30 | - | mA | Typical current consumption in active mode |
| Sensitivity | Sens | -90 | - | - | dBm | Receiver sensitivity |
| Input Impedance | Zin | - | 50 | - | Ω | Input impedance for RF input |
| Output Impedance | Zout | - | 50 | - | Ω | Output impedance for RF output |
| Temperature Range | Toper | -40 | - | 85 | °C | Operating temperature range |
| Storage Temperature Range | Tstg | -40 | - | 125 | °C | Storage temperature range |
Instructions for Use:
Power Supply:
- Ensure the supply voltage (Vcc) is within the specified range of 2.7V to 5.5V.
- Use a stable power source to avoid fluctuations that can affect performance.
Standby Mode:
- To enter standby mode, set the STB pin to high. The device will consume approximately 1.5 μA in this mode.
- To resume operation, set the STB pin to low.
Operating Mode:
- In active mode, the device consumes approximately 30 mA. Ensure the power supply can handle this current.
- For optimal performance, use a 50 Ω load for both input and output impedances.
Frequency Configuration:
- Set the operating frequency within the 433 MHz to 435 MHz range. This can typically be done through external components or internal settings depending on the module design.
Modulation:
- The CXD90038ER supports ASK (Amplitude Shift Keying) and OOK (On-Off Keying) modulation types. Choose the appropriate modulation based on your application requirements.
Data Rate:
- The data rate can be set between 0.1 kbps and 100 kbps. Higher data rates may require more precise tuning and stable conditions.
Receiver Sensitivity:
- The receiver sensitivity is -90 dBm, which allows for reliable communication over moderate distances under ideal conditions.
Temperature Considerations:
- Operate the device within the temperature range of -40°C to 85°C to ensure reliable performance.
- Store the device within the storage temperature range of -40°C to 125°C to prevent damage.
PCB Layout:
- Follow recommended PCB layout guidelines to minimize interference and ensure optimal signal integrity.
- Use ground planes and proper decoupling capacitors to stabilize the power supply and reduce noise.
Testing and Troubleshooting:
- Before deploying the device, conduct thorough testing under various conditions to ensure it meets performance specifications.
- Use a spectrum analyzer to verify the transmitted signal and a signal generator to test the receiver sensitivity.
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