STA32813TR Integrated Circuits (ICs)

Series:	DDX™
Packaging:	Cut Tape (CT)
Part Status:	Obsolete
Function:	Fully Integrated Processor
Applications:	Pre-Amplifier
Number of Channels:	2
Interface:	I²C, I²S
Voltage - Supply:	10 V ~ 36 V
Operating Temperature:	-40°C ~ 125°C (TJ)
Specifications:	Direct Digital Amplification
Package / Case:	36-BSSOP (0.433", 11.00mm Width) Exposed Pad
Supplier Device Package:	PowerSO-36
Base Part Number:	STA328

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Audio Special Purpose: STA32813TR Application Field and Working Principle

The STA32813TR is an audio-specific application circuit developed by Texas Instruments (TI). It is a highly integrated analog signal conditioning system that enables efficient audio amplification in portable equipment. It features an integrated speaker power amplifier and audio amplifier, as well as an audio signal processor that offers a full range of sound tuning and sound control functions. The STA32813TR is an ideal solution for portable audio applications where sound quality and energy efficiency need to be tightly controlled.

Overview

The STA32813TR is a single-chip audio amplifier solution with integrated audio signal processing capabilities. It offers a complete audio signal path, including power amplification, processing, and control. It has a wide applications field, ranging from portable music players and portable audio appliances to consumer electronic products and professional sound equipment. The integrated circuit offers an efficient and cost-effective solution for achieving high quality audio output.

Features & Benefits

The STA32813TR is an easy-to-use and efficient audio amplifier solution. Its integrated audio signal processor allows for adjustable control parameters such as frequency response, harmonic distortion, crossover filters, and more. Its integrated low noise power amplification stage provides high power output efficiency. Additionally, the device offers soft-start technology, which eliminates unnecessary current inrush and eliminates click and pop sounds during device startup.The STA32813TR features a wide operating voltage range of 4.5V to 31V, making it well suited for mobile applications, such as portables media players and portable audio appliances. In addition, the integrated amplifier offers a wide temperature range from -40°C to +85°C, making it suitable for use in a variety of operating conditions.

Applications

The STA32813TR is a highly integrated and cost-effective analog signal conditioning solution designed for audio applications. It is an ideal solution for portable music players, portable audio appliances, consumer electronic products, and professional sound equipment.

Working principle

The STA32813TR integrates an audio preamp, a power amplifier, and a processing unit. The audio preamp is responsible for amplifying the input audio signal, while the power amplifier amplifies the preamp output to drive a speaker. The audio processing unit provides various control functions, such as frequency response, harmonic distortion, crossover filters, and more.The STA32813TR utilizes a unique power supply design with two power supply pins. The first pin is used to provide power to the preamp stage and the processing unit. The second pin is used to provide power to the power amplifier stage. This ensures that the preamp and processing unit are not affected by the power amplifier stage, thus ensuring clean and accurate sound reproduction.The STA32813TR features an integrated speaker power amplifier and audio amplifier, as well as an audio signal processor. The audio signal processor allows for adjustable controls, such as frequency response, harmonic distortion, crossover filters, and more. Additionally, the integrated amplifier offers a wide temperature range from -40°C to +85°C and a wide operating voltage range of 4.5V to 31V, making it suitable for a wide variety of audio applications.

Conclusion

The STA32813TR is a highly integrated analog signal conditioning system that provides efficient audio amplification in portable devices. It features an integrated speaker power amplifier, audio amplifier, and an audio signal processor which offers a full range of sound tuning and sound control functions. The STA32813TR provides an efficient and cost-effective solution for achieving high quality audio output, making it an ideal audio amplifier solution for portable audio applications.

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