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Overview

Figure 2. EVM Controller Board (MC5601)

The TAS5601EVM is a complete 2-channel digital audio amplifier system. Also included in the kit is a MC5601 board that includes a USB interface, a digital input (SPDIF), analog inputs via the ADC, and other features like a mute function and power down. The TAS5601EVM can be used as a stand-alone board by wiring it into a system or it can be connected to the MC5601 board for a complete evaluation platform.

MC5601

SPDIF/

Optical,￿Coax

2CH Analog￿Input from￿other￿source￿/ Digital￿out

I2S

TAS5601EVM

Left

Right

Figure 3. Complete System and EVM Signal Path Overview

2.1TAS5601EVM and MC5601 Features

Self-contained protection systems and control pins

USB interface

Standard I2S data input using an optical input

Analog input through analog to digital converter

Double-sided plated-through PCB, 2-oz copper

4

TAS5601 Digital Power Amplifier With MC5601 Modulator Kit

SLOU219–February 2008

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Texas Instruments manual TAS5601EVM and MC5601 Features, EVM Controller Board MC5601

TAS5601 specifications

The Texas Instruments TAS5601 is a high-performance class D audio amplifier designed for various audio applications, ranging from home audio systems to professional audio equipment. This device is particularly renowned for its efficiency, sound quality, and compact design. The TAS5601 is specifically engineered to drive passive and active speakers, allowing users to achieve high power output and excellent sound fidelity.

One of the key features of the TAS5601 is its ability to deliver up to 50 watts of output power per channel, making it suitable for driving demanding loads. It operates within a supply voltage range of 15V to 30V, allowing for flexibility in various application environments. The amplifier’s efficiency is a significant advantage as it minimizes heat generation, enabling cooler operation and reducing the need for extensive thermal management solutions.

Technology-wise, the TAS5601 employs a proprietary, high-resolution pulse-width modulation (PWM) technique. This methodology ensures excellent linearity and low total harmonic distortion, translating into crystal-clear audio reproduction. The device also utilizes a robust feedback mechanism that adjusts the output in real time, further improving sound quality under varying load conditions.

The TAS5601 features integrated protections for over-current, over-temperature, and short-circuit scenarios, ensuring reliable performance and longevity. This makes it an excellent choice for both commercial and consumer audio products.

Another notable characteristic is the inclusion of an I2C interface, which offers enhanced programmability and flexibility. With this feature, designers can configure settings such as gain controls and filters, thus optimizing the amplifier for specific applications and listener preferences.

The TAS5601 supports multiple speaker configurations, including a dual-channel operation in a stereo setup or bridging mode for higher output in mono applications. It is designed to work seamlessly with various digital audio sources, allowing for versatility in integration with modern audio systems.

With its advanced features, state-of-the-art technologies, and robust performance, the Texas Instruments TAS5601 is a leading choice for audio amplification. Whether for home theater systems, portable speakers, or professional audio installations, the TAS5601 delivers exceptional sound quality while being energy efficient and adaptable to a wide range of needs.