PGA4311U - Texas Instruments

Manufacturer Part Number

PGA4311U

Manufacturer

Texas Instruments

Introduction

High-performance, quadruple analog-to-digital volume control IC

Product Features and Performance

Four independently controlled audio channels

Digital volume control via SPI interface

Wide volume control range: 31.5dB to -95.5dB

Low noise and distortion characteristics

Channel-independent mute functions

Product Advantages

Provides high-quality audio signal handling

Precision volume control for a broad range of applications

Suitable for high-end audio applications

Stable operation over temperature variations

Key Technical Parameters

Number of Channels: 4

Interface: SPI

Voltage Supply: ±4.75V to 5.25V

Operating Temperature: -40°C to 85°C

Specifications: Volume range 31.5dB to -95.5dB

Mounting Type: Surface Mount

Grade: Automotive

Package/Case: 28-SOIC

Quality and Safety Features

Automotive grade reliability and performance

Built-in fault and error detection mechanisms

Compatibility

Interface compatible with various microcontrollers and DSPs

Can be used in a wide range of audio systems

Compatible with systems requiring precise volume control

Application Areas

Automotive audio systems

Professional and consumer audio equipment

Musical instruments

Studio recording equipment

Product Lifecycle

Currently active product

Availability of future replacements or upgrades should be monitored via Texas Instruments

Key Reasons to Choose This Product

High-fidelity audio control from a trusted manufacturer

Comprehensive range of volume adjustment suitable for professional audio applications

Robust design conforming to automotive standards for quality and safety

Ease of integration into existing and new audio systems due to standard SPI interface

Operational across various environments with a wide temperature range

Backed by Texas Instruments' support and service network