TI PGA2311UA

Part points

• The PGA2311UA is a stereo audio volume control chip manufactured by Texas Instruments. It provides a digitally controlled analog volume control with a wide dynamic range and low noise, suitable for use in high-quality audio applications. The chip can be controlled via I2C interface and is commonly used in audio preamplifiers and high-fidelity audio systems.

• Equivalent

  The equivalent products of PGA2311UA chip are PGA2311, PGA2311PA, and LM1972. These chips are all digitally-controlled analog volume control ICs with similar specifications and features.

• Features

  The PGA2311UA is a digitally-controlled stereo audio volume control with 0.5dB steps. It features a wide gain range of -95dB to +31.5dB, low noise and distortion, and SPI interface for control. It also has a mute circuit with fade in/out for audio signal.

• Pinout

  The PGA2311UA is a 20-pin stereo audio volume control IC. Its functions include controlling volume levels through a digital interface, offering a 106dB dynamic range, and providing high audio quality. The pin count consists of both input and output channels, as well as pins for control and power supply.

• Manufacturer

  The PGA2311UA is manufactured by Texas Instruments, a leading semiconductor company that specializes in designing and producing integrated circuits for various applications, including telecommunications, automotive, and consumer electronics. They are known for their advanced and innovative solutions in the semiconductor industry.

• Application Field

  The PGA2311UA is commonly used in professional audio equipment such as mixers, amplifiers, and preamplifiers, as well as in high-end consumer audio devices like stereo systems and sound processors. Its precision volume control and low distortion make it ideal for applications requiring accurate audio level adjustment.

• Package

  The PGA2311UA chip is available in a surface-mount SOIC-16 package. It is in a quad flat no-lead (QFN) form with a size of 10.3mm x 3.6mm.