PGA4311U/1K - Burr Brown

Manufacturer Part Number

PGA4311U/1K

Manufacturer

Texas Instruments

Introduction

PGA4311U/1K is an audio special purpose integrated circuit designed for volume control.

Product Features and Performance

Four independent audio channels

Digital control of volume levels via SPI interface

Fine logarithmic step size for smooth volume adjustment

Low noise and low distortion for high-quality audio signals

Wide operating temperature range suitable for various environments

Product Advantages

Precise volume control through digital interface

Reduction of external components due to integrated functionality

High integration suitable for space-constrained applications

Robust construction meeting automotive-grade requirements

Key Technical Parameters

Number of Channels: 4

Interface: SPI

Voltage - Supply: ±4.75V to 5.25V

Operating Temperature: -40°C to 85°C

Volume Range: 31.5dB to -95.5dB

Quality and Safety Features

Automotive-grade design for reliability

Extended temperature range for harsh environments

Compatibility

Standard SPI interface for easy integration with most microcontrollers

Surface Mount 28-SOIC package compatible with common PCB manufacturing processes

Application Areas

High-fidelity audio systems

Car audio systems

Professional musical instruments

Home theater systems

Product Lifecycle

Active status

Not currently near discontinuation

Replacement and upgrade options typically available

Several Key Reasons to Choose This Product

Precise volume control suitable for professional audio applications

High-channel count for complex audio systems

Simplified system design owing to integrated features

Robust operation in demanding automotive environments

Support from a reputable manufacturer, Texas Instruments

Consistency over temperatures ensuring reliable performance in various operating conditions