LM1876TF datasheet by Texas Instruments

LM1876TF Frequently Asked Questions (FAQs)

• What is the maximum power supply voltage that can be used with the LM1876TF?
  The maximum power supply voltage for the LM1876TF is 30V, but it's recommended to operate it between 12V to 24V for optimal performance.
• How do I ensure stability and prevent oscillations in the LM1876TF?
  To ensure stability, use a minimum of 100nF bypass capacitor between the power supply pins (VCC and GND) and keep the input and output traces short and symmetrical. Also, use a 10uF capacitor in parallel with a 10Ω resistor between the output and ground to prevent oscillations.
• What is the maximum output power of the LM1876TF?
  The maximum output power of the LM1876TF is 20W per channel into a 4Ω load, but this can be increased to 30W per channel into a 2Ω load with proper heat sinking.
• Can I use the LM1876TF as a bridged amplifier?
  Yes, the LM1876TF can be used as a bridged amplifier to increase the output power. However, this requires careful design and layout to ensure stability and prevent oscillations.
• How do I protect the LM1876TF from overheating?
  To protect the LM1876TF from overheating, ensure good heat sinking, use a thermal pad or heat sink with a thermal resistance of less than 2°C/W, and keep the ambient temperature below 70°C.