Audio Solutions from ON Semiconductor

Product catalog summary

Introduction
ON Semiconductor specializes in high-quality audio solutions for portable devices, consumer electronics, and professional audio systems. The company focuses on overcoming challenges such as audio quality, heat management, cost efficiency, regulatory compliance, and robust design.

Portable Applications
Portable audio devices require power efficiency, compact design, and resistance to rough handling and EMI/RFI interference. ON Semiconductor's BelaSigna line of ultra-low-power audio processors offers flexibility and superior audio clarity without compromising battery life.

Audio Subsystem Components
The audio subsystem includes microphones, speakers, audio processing units, ADCs, DACs, and amplifiers, all working together to ensure high-quality audio output in portable devices.

Key Products and Features

BelaSigna Audio Processors: Ultra-low-power, miniature package, flexible design, and advanced signal processing capabilities.
Noise-Free Audio Amplifiers: Class AB and Class D amplifiers with zero pop-and-click noise and high PSRR.
Boosted Audio Amplifiers: Provide constant power output and eliminate TDMA noise.
Audio Filters: EMI filters with ESD protection for improved audio signal integrity.
Low Noise Operational Amplifiers: Designed for microphones with low noise and distortion characteristics.

Consumer Audio Solutions
ON Semiconductor offers products for consumer audio applications, including audio amplifiers, receivers, and switches, supporting digital integration and handling audio signals from various sources.

Professional Audio Solutions
For professional audio applications, ON Semiconductor provides solutions ensuring superior performance in demanding environments, such as theater and stadium sound systems, public address systems, and high-end consumer audio products.

Conclusion
ON Semiconductor's audio solutions cater to the diverse needs of portable, consumer, and professional audio markets, offering high-quality, efficient, and reliable audio performance.

Key Features

Excellent unity gain tracking error and good Total Harmonic Distortion (THD).
Independent control of attack and release times.
Dynamic range greater than 110dB with low voltage operation.
Two internal operational amplifiers available.

Dynamic Noise Reduction System

Provides greater than 110 dB of dynamic range with low noise and low distortion.

Advanced Compandor Portfolio

Includes low VF power Schottky rectifiers to increase efficiency and reduce noise floor in audio amplifiers powered by SMPS.

Schottky Rectifiers

Various models with different voltage and current ratings, such as MBR40250, MBR20200, and MBR10H100, available in packages like TO-220 and TO-247.

ThermalTrak™ Family

Output transistors provide a simplified solution for eliminating thermal lag and improving fidelity.
Eliminates the need for complex bias control circuitry, improving bias stability and reducing thermal shock.

Audio Amplifier Performance