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TDA7388

Specifications

SKU: 12591179

BUY TDA7388 https://www.utsource.net/itm/p/12591179.html

Parameter Description Value Unit
Supply Voltage (VCC) Operating supply voltage range 4.5 to 18 V
Quiescent Current (Iq) Typical quiescent current at no load 20 mA
Output Power (POM) Maximum output power into 8Ω load 1 x 50 W
Frequency Response Flat frequency response 20 to 20,000 Hz
Signal-to-Noise Ratio (SNR) Typical signal-to-noise ratio 90 dB
Total Harmonic Distortion (THD) Typical total harmonic distortion at 1kHz, 1W 0.01 %
Input Sensitivity Typical input sensitivity for rated output 200 mV
Input Impedance Typical input impedance 47
Protection Features Overload protection Thermal, Short-circuit, Overvoltage -
Operating Temperature Range Recommended operating temperature -40 to 85 °C
Package Type IC package type SOIC-16 -

Instructions for Using TDA7388

  1. Power Supply Connection:

    • Connect the positive terminal of the power supply to VCC (pin 16).
    • Connect the negative terminal of the power supply to GND (pin 8).
  2. Input Signal Connection:

    • Connect the audio input signal to the IN+ (pin 1) and IN- (pin 2) pins.
    • Ensure the input signal level is within the recommended range to avoid distortion.
  3. Output Connection:

    • Connect the speaker to the OUT (pin 14) and GND (pin 8) pins.
    • Use a suitable capacitor (e.g., 100 μF) in series with the speaker to block any DC components.
  4. Grounding:

    • Ensure a common ground connection between the power supply, input source, and output load.
  5. Decoupling Capacitors:

    • Place a 10 μF electrolytic capacitor between VCC and GND close to the IC to filter out any noise from the power supply.
    • Add a 0.1 μF ceramic capacitor between VCC and GND near the IC for high-frequency noise suppression.
  6. Thermal Management:

    • The TDA7388 has built-in thermal protection, but ensure adequate heat dissipation by mounting it on a heatsink if operating at high power levels.
  7. Protection Circuits:

    • The IC includes thermal, short-circuit, and overvoltage protection. However, it is advisable to use external fuses and diodes for additional safety.
  8. Operating Temperature:

    • Operate the IC within the recommended temperature range to ensure reliable performance and longevity.
  9. Storage and Handling:

    • Store the IC in a dry environment and handle with care to avoid static damage.
  10. Testing:

    • Before final assembly, test the IC with a simple setup to verify its functionality and performance.

By following these instructions, you can ensure optimal performance and reliability of the TDA7388 amplifier.

(For reference only)

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