TDA6120Q datasheet by Philips Semiconductors

TDA6120Q Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the TDA6120Q?
  The recommended operating voltage range for the TDA6120Q is 8V to 18V, with a typical voltage of 12V.
• How do I ensure the TDA6120Q is properly biased for optimal performance?
  To ensure proper biasing, connect the non-inverting input (pin 3) to a voltage divider that sets the desired gain, and connect the inverting input (pin 2) to the output (pin 6) through a feedback resistor. Also, ensure that the supply voltage is decoupled with a capacitor to reduce noise.
• What is the maximum power dissipation of the TDA6120Q?
  The maximum power dissipation of the TDA6120Q is 1.5W, which is limited by the package thermal resistance and the ambient temperature.
• Can I use the TDA6120Q as a unity gain buffer?
  Yes, the TDA6120Q can be used as a unity gain buffer by connecting the non-inverting input (pin 3) to the input signal, and the inverting input (pin 2) to the output (pin 6) through a short circuit or a very low impedance path.
• How do I reduce noise and oscillations in the TDA6120Q circuit?
  To reduce noise and oscillations, use a well-regulated power supply, decouple the supply voltage with a capacitor, use a low-impedance output stage, and minimize the length of the input and output leads. Additionally, consider adding a noise filter or a Zobel network to the output stage.