TAS5342ADDVR

Series:	PurePath Digital™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D
Output Type:	1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power x Channels @ Load:	200W x 1 @ 2 Ohm; 100W x 2 @ 4 Ohm
Voltage - Supply:	10.8 V ~ 13.2 V
Features:	Digital PWM Inputs, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Supplier Device Package:	44-HTSSOP
Package / Case:	44-TSSOP (0.244", 6.20mm Width) Exposed Pad
Base Part Number:	TAS5342A

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TAS5342ADDVR Application field and Working Principle

The TAS5342A-DDVR, also known as dual differential voltage regulator, is an integrated speaker amplifier solution developed by Texas Instruments. It is primarily used to provide audio power amplifiers for small to medium powered audio systems. This is primarily used in automotive audio systems, home theaters, and commercial audio applications.

Application field

The TAS5342A-DDVR is designed for use in automotive and commercial audio applications where high quality, efficient power delivery is needed. Due to its high efficiency, low distortion, and low output noise, it is suitable for use in a number of demanding audio applications such as home theaters, multimedia speakers, and other high power speaker systems. Furthermore, its compact size makes it well suited for mobile audio applications.

Working Principle

The TAS5342A-DDVR utilizes an innovative and patented architecture to convert a single voltage line into an industry leading dual differential voltage regulation solution. The circuit consists of two closely matched variable gain amplifiers, with the first one actively measuring the power supply voltage and adjusting the output voltage accordingly. The second amplifier acts in a feedback loop to enable a fine control of the output voltage. The variable gain amplifiers enable optimal power efficiency, allowing the TAS5342A-DDVR to reach efficiency ratings of up to 80%, particularly in automotive applications. In addition, the built-in current-limiting protection minimizes the risk of overloading or burning out the audio system, as well as providing protection against unexpected current spikes.

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