Description

The LM4809LDX is a dual audio power amplifier with digital volume control and shutdown mode function. It is designed for applications in the audio amplifiers category. This amplifier is known for its unity-gain stability and features a digital volume control that allows the user to adjust the gain from +12dB to -33dB in 16 discrete steps using a two-wire interface. The shutdown mode is externally controlled and has an active-high feature, ensuring micropower consumption. Additionally, the LM4809LDX includes an internal thermal shutdown protection circuit for added safety.

Specifications and features

• Digital volume control range: +12dB~ -33dB
• "Click and Pop" suppression circuitry
• Saving the use of bootstrap capacitors
• Low shutdown current

Application Scenarios

The LM4809LDX can be used in a variety of audio amplifier applications. It is particularly well-suited for audio systems that require precise gain control and low power consumption. This amplifier can be integrated into portable audio devices, home entertainment systems, and automotive audio systems, among others.

Comparison

- Unity-gain stability ensures consistent performance

- Digital volume control allows for precise gain adjustment

- Shutdown mode with low power consumption

- Internal thermal shutdown protection circuit for added safety

- None identified