Key Features and Specifications:

Functionality:

• Electronic Volume Control:
  • Provides volume control with fine steps, allowing smooth adjustment.
• Tone Control:
  • Supports bass and treble adjustment, enabling modification of the audio frequency spectrum.
• Balance Control:
  • Can adjust the audio balance between left and right channels.
• Fader Control:
  • Can fade between front and rear audio channels (used in 4-channel systems).

Audio Channels:

• Number of Channels: 4-channel stereo (can control two stereo signals simultaneously).
• Stereo Input: Allows for stereo audio input signals, enabling volume and tone control for both channels.

Control Method:

• Serial Data Interface:
  • Controlled through a serial data interface, typically compatible with microcontrollers, allowing integration into audio systems with digital control.
• 3-Wire Serial Bus: Communicates through a simple 3-wire protocol (data, clock, and enable).

Volume Range:

• Attenuation Steps: Volume control typically provides attenuation in discrete steps (e.g., -∞ to 0 dB).
• Fine Volume Adjustment: Offers fine-tuned volume control, ideal for precision audio applications.

Tone Control Range:

• Bass and Treble Adjustment: The IC allows for both bass and treble adjustment, with typical control ranges in decibels for shaping sound.

Power Supply:

• Operating Voltage: Typically operates at a supply voltage of 8V to 16V, commonly around 12V in audio systems.

Applications:

• Audio Systems: Used in home audio systems, car audio, and other devices requiring electronic volume control.
• AV Equipment: Can be integrated into AV receivers, amplifiers, and other multimedia equipment.
• Tone and Volume Control Circuits: Ideal for systems that require digital control over audio parameters.

Datasheet