LA42031-E

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	5W x 1 @ 8 Ohm
Voltage - Supply:	5.5 V ~ 15 V
Features:	Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 75°C (TA)
Supplier Device Package:	13-SIPH
Package / Case:	13-SIP Exposed Tab
Base Part Number:	LA42031

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LA42031-E Audio Amplifier Application and Working Principle

The LA42031-E audio amplifier is a linear audio power amplifier designed for the audio industry. It is specifically designed for applications requiring operating voltages of 12V to 24V and 35W to 72W of output power. With its high efficiency, low distortion, and high output power, the LA42031-E is an ideal choice for audio systems requiring high-performance performance and reliability.

Key Features

The LA42031-E audio amplifier offers a wide range of features, including high efficiency, low distortion, and high output power, making it a great choice for audio applications. It also offers a wide operating range of 12V to 24V, as well as a wide range of biasing options for optimal performance in different conditions.

Applications

The LA42031-E audio amplifier is ideal for a variety of audio applications, including portable audio, multimedia systems, and home entertainment systems. Its high efficiency, low distortion, and high power output make it a great choice for powering both music and speech applications. The LA42031-E can also be used in automotive applications such as sound systems, subwoofers, and sound bars.

Working Principle

The LA42031-E audio amplifier operates on the principle of linear amplification. It uses a single-ended Class-AB architecture to provide excellent audio performance, while maintaining low distortion. It also utilizes a single-ended differential output stage to provide both mono and stereo outputs.In a single-ended Class-AB architecture, the output transistors are operated in parallel, and each output transistor is driven by the same signal. This allows for the output to remain well-conditioned with minimal crossover distortion. The differential output stage provides for both mono and stereo outputs by using two identical audio signals.The LA42031-E also uses MOSFET technology to provide high power output and an extended frequency response. MOSFET technology is designed to provide a low output impedance, which is necessary for high-power output, as well as a wide frequency response. The LA42031-E also uses current-feedback to provide excellent dynamic range and excellent transient response.

Conclusion

The LA42031-E audio amplifier is a linear audio power amplifier designed to provide excellent audio performance in a variety of applications. Its high efficiency, low distortion, and high power output make it an excellent choice for both music and speech applications. Its single-ended Class-AB architecture and MOSFET technology also provide a wide frequency response and a low output impedance. With its wide operating range and biasing options, the LA42031-E is an ideal choice for audio applications requiring high performance and reliability.

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