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PGA4311U The PGA4311U is a 4-channel SPI volume control IC from Texas Instruments. It offers a gain adjustment range of -95.5dB to 31.5dB and operates from a ±4.75V to ±5.25V supply.
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PGA4311U

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The PGA4311U is a 4-channel SPI volume control IC from Texas Instruments. It offers a gain adjustment range of -95.5dB to 31.5dB and operates from a ±4.75V to ±5.25V supply.
✓ Total Stock: 3,000 pcs

PGA4311U Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request 24+ On Request On Request
HK XINYUANXIN ELECTRONIC TECH LIMITED ✓
Non-Authorised Inventory information
On Request
On Request
On Request On Request 1 On Request On Request On Request On Request On Request
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PGA4311U Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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PGA4311U Description

Short technical summary and product information.

The PGA4311U is a 4-channel volume control integrated circuit from Texas Instruments, designed for professional audio and other precision gain control applications. It communicates via an SPI interface, allowing digital control of the gain for each of its four independent channels.

 

The device features a wide gain adjustment range from -95.5dB to 31.5dB, enabling both attenuation and amplification. It operates from a dual supply voltage of ±4.75V to ±5.25V and is specified for an industrial temperature range of -40°C to 85°C.

 

The PGA4311U is housed in a 28-SOIC surface-mount package with a 7.50mm width. It is supplied in a tube packaging format. This component is suitable for use in mixing consoles, audio routers, and other multi-channel audio systems requiring precise, digitally controlled gain.

PGA4311U Quick Information

Product Type: Volume Control IC
Canonical Name: PGA4311U 4-Channel SPI Volume Control
Subcategory: Audio Amplifiers

PGA4311U Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

PGA4311U Features

  • Four independent SPI-controlled volume channels.
  • Gain range from -95.5dB to 31.5dB.
  • Operates from ±4.75V to ±5.25V supply.
  • Industrial temperature range -40°C to 85°C.
  • Surface-mount 28-SOIC package.

PGA4311U Applications

  • Professional audio mixing consoles and routers.
  • Multi-channel audio gain control systems.
  • Digital audio processing and effects equipment.
  • Automated test equipment requiring precision attenuation.

PGA4311U FAQs

6 frequently asked questions generated from this part’s specifications.
What is the gain adjustment range of the PGA4311U?

The gain adjustment range is -95.5dB to 31.5dB.

What is the operating voltage range for the PGA4311U?

The supply voltage range is ±4.75V to ±5.25V.

What is the operating temperature range of the PGA4311U?

The operating temperature range is -40°C to 85°C.

How many channels does the PGA4311U have?

The PGA4311U has 4 channels.

What interface does the PGA4311U use?

The PGA4311U uses an SPI interface.

What is the package type for the PGA4311U?

The PGA4311U is available in a 28-SOIC surface-mount package.

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