Specifications
SKU: 12591179
| 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 | kΩ |
| 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
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).
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.
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.
Grounding:
- Ensure a common ground connection between the power supply, input source, and output load.
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.
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.
Protection Circuits:
- The IC includes thermal, short-circuit, and overvoltage protection. However, it is advisable to use external fuses and diodes for additional safety.
Operating Temperature:
- Operate the IC within the recommended temperature range to ensure reliable performance and longevity.
Storage and Handling:
- Store the IC in a dry environment and handle with care to avoid static damage.
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)Inquiry - TDA7388