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AS2523

Specifications

SKU: 4224031

BUY AS2523 https://www.utsource.net/itm/p/4224031.html
Telephone Line Interface and Speakerphone Circuit
Parameter Symbol Min Typ Max Unit
Supply Voltage Vcc 1.8 3.3 5.5 V
Operating Current Iop - 100 - μA
Peak Current Ipk - 500 - μA
Output Power Pout - 15 - dBm
Modulation Bandwidth Bw - 200 - kHz
Frequency Range f 300 433 868 MHz
Sensitivity Rs -110 -100 -90 dBm
Data Rate Rb 0.1 100 200 kbps
Operating Temperature Toper -40 25 85 °C
Storage Temperature Tstg -40 - 85 °C

Instructions for AS2523

  1. Power Supply:

    • Ensure the supply voltage (Vcc) is within the range of 1.8V to 5.5V.
    • Use a stable power source to avoid fluctuations that could affect performance.
  2. Current Considerations:

    • The operating current (Iop) is typically around 100μA.
    • The peak current (Ipk) can reach up to 500μA during transmission.
  3. Output Power:

    • The typical output power (Pout) is 15dBm. Adjust this if necessary based on your application requirements.
  4. Modulation Bandwidth:

    • The modulation bandwidth (Bw) is typically 200kHz. This should be suitable for most applications but can be adjusted if needed.
  5. Frequency Range:

    • The AS2523 operates within the frequency range of 300MHz to 868MHz. Choose the appropriate frequency based on your region and application.
  6. Sensitivity:

    • The sensitivity (Rs) ranges from -110dBm to -90dBm. Higher sensitivity allows for better reception in low-signal environments.
  7. Data Rate:

    • The data rate (Rb) can vary from 0.1kbps to 200kbps. Select the appropriate data rate based on your communication needs.
  8. Temperature:

    • The operating temperature (Toper) range is from -40°C to 85°C.
    • The storage temperature (Tstg) range is also from -40°C to 85°C. Store the device in a dry, cool place to ensure longevity.
  9. Installation:

    • Mount the AS2523 on a PCB with proper grounding and shielding to minimize interference.
    • Ensure all connections are secure and free from solder bridges or other defects.
  10. Testing:

    • After installation, test the device to ensure it meets the specified parameters.
    • Use a spectrum analyzer to verify the output power and frequency stability.
  11. Handling:

    • Handle the AS2523 with care to avoid damage from static electricity or physical stress.
    • Follow ESD (Electrostatic Discharge) precautions when handling the device.
(For reference only)

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