Home / Audio Special Purpose / PGA4311U/
PGA4311U

PGA4311U

Manufacturer No:

PGA4311U

Manufacturer:

Texas Instruments

Description:

IC VOLUME CONTROL 28SOIC

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

PGA4311U Specifications

  • Type
    Parameter
  • Supplier Device Package
    28-SOIC
  • Package / Case
    28-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C (TA)
  • Interface
    SPI
  • Number of Channels
    4
  • Applications
    Automotive Audio, Musical Instruments, Professional Audio
  • Product Status
    Active
  • Packaging
    Tube
  • Series
    -
The PGA4311U is a programmable gain amplifier (PGA) integrated circuit chip designed for audio applications. Some of the advantages and application scenarios of the PGA4311U are:1. Programmable Gain: The PGA4311U allows for precise control of gain levels in audio systems. It offers a digitally controlled gain range from -95 dB to +31.5 dB in 0.5 dB steps, providing flexibility in adjusting the audio signal level.2. Low Distortion: The chip offers low total harmonic distortion (THD) and noise, ensuring high-quality audio output. This makes it suitable for applications where audio fidelity is crucial, such as professional audio equipment, audio mixers, and high-end consumer audio systems.3. Digital Control: The PGA4311U features a digital interface (I2C or SPI) for gain control, allowing for easy integration with microcontrollers or digital signal processors (DSPs). This digital control enables remote gain adjustments, automated gain control, or dynamic gain changes in real-time.4. Multiple Channels: The PGA4311U is available in multi-channel configurations, typically up to 8 channels. This makes it suitable for applications requiring independent gain control for multiple audio channels, such as surround sound systems, audio distribution systems, or multi-zone audio setups.5. Muting and Fade-In/Fade-Out: The chip includes built-in muting and fade-in/fade-out functions, allowing for smooth transitions during audio signal activation or deactivation. This feature is useful in audio systems where abrupt changes in audio levels may cause disturbances or noise.6. Audio Level Matching: The PGA4311U can be used for audio level matching in systems with multiple audio sources or channels. It ensures consistent audio levels across different sources, preventing sudden volume changes when switching between sources or channels.7. Automotive Audio Systems: The PGA4311U is suitable for automotive audio systems, where it can be used for volume control, equalization, or audio level balancing. Its low distortion and digital control capabilities make it ideal for high-quality audio reproduction in vehicles.8. Home Theater Systems: The chip can be used in home theater systems to control the gain of different audio channels, allowing users to adjust the volume levels of individual speakers or audio sources. It can also be used for audio level calibration or to compensate for room acoustics.Overall, the PGA4311U offers precise gain control, low distortion, digital interface, and multiple channel options, making it suitable for various audio applications requiring accurate and flexible gain adjustments.
PGA4311U Relevant information