TAS5601DCA

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Class D
Output Type:	2-Channel (Stereo) or 4-Channel (Quad)
Max Output Power x Channels @ Load:	20W x 2 @ 8 Ohm; 19W x 4 @ 4 Ohm
Voltage - Supply:	10 V ~ 26 V
Features:	Digital PWM Inputs, Short-Circuit and Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	56-HTSSOP
Package / Case:	56-TFSOP (0.240", 6.10mm Width) Exposed Pad
Base Part Number:	TAS5601

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Introduction
The TAS5601DCA is a high-performance, low-noise, fully differential class D audio amplifier. It is specifically designed for applications that require low distortion and high fidelity audio in a variety of form factors from home theater and automotive audio systems to amplifiers and active speakers. It is also suitable for applications that require high levels of output power, such as in PA systems and other professional audio products. The TAS5601DCA utilizes differential inputs and outputs, allowing for interference rejection and wider dynamic range with improved audio clarity.
Overview
The TAS5601DCA is a low-voltage, synchronous charge-pump class D amplifier designed to provide high fidelity audio at a high level of efficiency. The device features an integrated Digital Control Engine (DCE) that consists of a digital controlled pulse width modulated (PWM) input driver, MOSFET gate drivers, and a clock data recovery/timing control stage. This makes it well-suited for digital audio acoustic correction systems, as well as traditional analog audio systems. The amplifier supports adjustable gain, phase and delay compensation, and tone control functions. It is capable of delivering up to 2x140 W of output power (2x70 W per channel) into 4 Ω-loads. The device is available in a 24-lead TQFP package.
Application Field
The TAS5601DCA lends itself well to a variety of applications including active loudspeaker systems, home cinema, 5.1 and 7.1 surround sound systems, professional PA systems, and automotive audio systems. The device is also ideal for applications that require high levels of output power, low noise, and low distortion. The amplifier can be used in conjunction with digital signal processing (DSP) systems to create improved sound quality, increased headroom, and improved acoustics.
Working Principle
The TAS5601DCA utilizes a fully differential architecture and is a Class D audio amplifier. The device features an integrated Digital Control Engine (DCE) that consists of a digitally-controlled pulse-width modulated (PWM) input driver, MOSFET gate drivers, and a clock data recovery/timing control stage. This combination allows for high fidelity audio, low distortion and low noise performance. The device operates off an asynchronous, high-frequency clock, which is independently adjustable. This allows the audio amplifier to be tuned to the desired performance requirements.The device uses a charge pump circuit to generate the voltage necessary to drive the MOSFETs, as well as for feedback sensing. The charge pump is capable of generating a voltage level up to 32V, and is used for controlling the MOSFETs for output power control. The TAS5601DCA also features adjustable gain, phase and delay compensation, and tone control functions.The device utilizes a pair of synchronous MOSFETs in the output stage, and the gain is adjustable from -infinity to %dB. The device is capable of delivering up to 2x140W of output power into 4Ω loads. With an efficiency of up to 95%, it is one of the most efficient audio amplifiers available.Conclusion
The TAS5601DCA is a robust, high-powered audio amplifier, ideal for a variety of applications. With its low-voltage, synchronous, charge-pump class D architecture, the device offers superior performance, low noise and low distortion. The device is capable of delivering up to 2x140W of output power into 4Ω loads, offering extreme efficiency and fidelity. Its adjustable gain, phase and delay compensation, and tone control functions make it suitable for a variety of audio applications.

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