PGA4311U/1K The Texas Instruments PGA4311U/1K is a 4-channel audio volume control IC featuring a serial SPI interface and a wide attenuation range. It is available in a 28-SOIC package for surface mounting.
Mfr Part #:

PGA4311U/1K

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PGA4311U/1K is a 4-channel audio volume control IC featuring a serial SPI interface and a wide attenuation range. It is available in a 28-SOIC package for surface mounting.
Total Stock: 3,350 pcs
$ Price Range: $10.37

PGA4311U/1K Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,013 pcs
3013 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
337 pcs
337 pcs On Request 1 On Request On Request 16+17+14+ On Request On Request

PGA4311U/1K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Function
Interface
Mounting Type
Number of Channels
Operating Temperature
Specifications
Supplier Device Package
Voltage

PGA4311U/1K Description

Short technical summary and product information.

The Texas Instruments PGA4311U/1K is a high-performance, 4-channel audio volume control IC designed for professional and high-end consumer audio systems. It offers digitally-controlled analog volume control with four independent audio channels and a serial control interface.

 

The device provides a wide gain and attenuation range from +31.5dB to -95.5dB in 0.5dB steps. It boasts low noise and distortion, with a dynamic range of 120dB and THD+N as low as 0.0002% at 1kHz. Interchannel crosstalk is minimal at -130dBFS.

 

Power is supplied by ±5V analog and +5V digital rails. The PGA4311U/1K operates within a temperature range of -40°C to 85°C and is housed in a 28-SOIC package for surface mounting.

 

Applications include audio amplifiers, mixing consoles, multi-track recorders, broadcast studio equipment, musical instruments, effects processors, A/V receivers, and car audio systems.

PGA4311U/1K Quick Information

Product Type: Audio Volume Control IC
Series: PGA4311
Canonical Name: PGA4311U/1K 4-Channel Audio Volume Control
Subcategory: Volume Control

PGA4311U/1K Compliance

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

PGA4311U/1K Estimated Pricing

Qty Low High
1+ $10.37 $10.37

Estimated market price range - modelled values for guidance only, not live distributor offers.

PGA4311U/1K Features

  • Four independent audio channels.
  • Wide gain and attenuation range.
  • Low noise and distortion performance.
  • Serial control interface (SPI).
  • Surface mount 28-SOIC package.

PGA4311U/1K Applications

  • Used in professional audio amplifiers.
  • Suitable for mixing consoles.
  • Applicable to car audio systems.
  • Ideal for musical instruments.

PGA4311U/1K FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the PGA4311U/1K?

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

What package type is the PGA4311U/1K available in?

The PGA4311U/1K is available in a 28-SOIC package.

What is the attenuation range of the PGA4311U/1K?

The attenuation range is +31.5dB to -95.5dB with 0.5dB steps.

How many audio channels does the PGA4311U/1K support?

The PGA4311U/1K supports four independent audio channels.

What is the typical THD+N for the PGA4311U/1K at 1kHz?

The typical THD+N is 0.0002% for the A-Grade and 0.0004% for the U-Grade at 1kHz.

What are the power supply requirements for the PGA4311U/1K?

The device requires ±5V for the analog supply and +5V for the digital supply.

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