TAS5112DFD

Series:	PurePath Digital™
Packaging:	Tube
Part Status:	Obsolete
Type:	Class D
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	62W x 2 @ 6 Ohm
Voltage - Supply:	16 V ~ 25.5 V
Features:	Depop, Digital Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Supplier Device Package:	56-HTSSOP
Package / Case:	56-TFSOP (0.240", 6.10mm Width) Exposed Pad
Base Part Number:	TAS5112

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Introduction
TAS5112DFD is an audio linear amplifier from Texas Instruments, suitable for both consumer and professional applications. It features high-performance, low-noise and low-distortion characteristics, making it an ideal choice for use in audio systems. It has been designed for use in home hi-fi systems, car audio systems, cables, and portable audio products, as well as professional applications such as studio monitoring and home cinema setups.
Applications
TAS5112DFD is suitable for a wide range of applications. These include home hi-fi systems, car audio systems, cables and portable audio products, as well as professional applications such as studio monitoring and home cinema setups. In hi-fi systems, it can drive speakers with high efficiency, while its low-noise and low-distortion characteristics allow it to be used in home theater systems. In car audio systems, it can be used to drive subwoofers and speakers, providing high-performance amplification for improved sound quality.
Design Considerations
The TAS5112DFD is designed for use in both consumer and professional audio systems. In designing for these environments, the amplifier is designed for optimal performance in terms of sound quality, efficiency, and power output. The amplifier features a wide operating voltage range of 4.5 V to 28 V, allowing it to be used in virtually any application. It also features a low power idle mode and low quiescent current draw, making it suitable for use in battery-operated portable audio systems.
Advanced Features
The TAS5112DFD also features advanced features such as a wide dynamic range and a selectable gain setting. The amplifier is capable of delivering high-power, low-distortion audio at peak levels up to 2 x 30 W RMS. Additionally, its integrated selectable gain allows users to adjust the output level to match their particular needs. A built-in amplitude limiting circuit helps to protect the amp from clipping and other possible distortion. The amplifier is also designed with an advanced thermal protection system, which monitors the temperature of the amplifier to prevent overheating issues.
Working Principle
The working principle of the TAS5112DFD is as follows: When a signal is supplied to the amplifier, it is received by a differential pair of transistors. These transistors create a differential current which is sent to the differencing amplifier. The differencing amplifier then amplifies the differential current, and sends it to the output stage. The output stage then amplifies the signal further and outputs it to the load. The circuit includes protection circuitry to protect against clipping, overload, and thermal conditions, adding to the durability and reliability of the amplifier.
Conclusion
The TAS5112DFD is an audio linear amplifier designed for use in consumer and professional applications. It is designed with high-performance, low-noise and low-distortion characteristics, making it an ideal choice for a variety of audio systems. The amplifier features a wide operating voltage range and a selectable gain, making it suitable for a wide range of applications. Additionally, the amplifier is designed with advanced protection circuitry, allowing it to be used safely and reliably.

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