LA4631-E

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Class AB
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	5W x 2 @ 4 Ohm
Voltage - Supply:	5.5 V ~ 22 V
Features:	Depop, Standby
Mounting Type:	Through Hole
Operating Temperature:	-20°C ~ 75°C (TA)
Supplier Device Package:	13-SIPH
Package / Case:	13-SIP Exposed Tab
Base Part Number:	LA4631

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LA4631-E Application Field and Working Principle

The LA4631-E is an audio linear amplifier IC (Integrated Circuit) which is widely used in audio systems for amplifying the weak audio signals to a desired level for further processing. It belongs to the linear amplifiers based on the audio field. This IC offers adequate gain, high fidelity and low distortion, making it suitable for amplifying input signals in audio systems. This type of linear amplifier is designed to have higher fidelity than a non-linear amplifier and it also offers robust audio performance as compared to other solutions.The main characteristics of LA4631-E include a wide range of operating temperature (from -25 to 75 degree Celsius), a power supply voltage of 12V, a low voltage dissipation of 1.13W and the ability to operate up to the frequencies of 110kHz. The power output of this amplifier is somewhere between 8-10 watts, and the maximum output current is typically around 0.2A. The LA4631-E also has built-in acoustic protection systems which protect the audio circuits from sudden loud audio spikes.The working principle of the LA4631-E is fairly simple. It is basically a differential amplifier, consisting of two amplifying stages. The input of the amplifier is taken from a single-ended linear signal and it is amplified into at a differential signal. This amplified signal is then passed through a common emitter stage which acts as an emitter follower. At this stage, the signal is further amplified and the power output is produced at the emitter terminal.The LA4631-E is a versatile amplifier and thus it can be used in various applications. These include home and professional audio systems, radio, CD players, amplifiers, and even multimedia systems. In addition, it can be used as a power amplifier for automotive audio systems.The LA4631-E provides high fidelity audio output because of its linear amplifier design. This allows it to handle both digital and analog input signals without distortion. As a result, the audio output is of superior quality and provides rich, full audio.The LA4631-E is also known for its low power consumption. It is capable of large gains with low voltage dissipation which means that there is less power consumption as compared to traditional linear amplifiers. This ensures that the amplifier does not unnecessarily consume power and instead provides increasingly efficient amplification.In conclusion, the LA4631-E is an ideal linear amplifier for audio systems. It offers robust audio performance and provides superior quality audio output. In addition, it has built-in protection systems, wide operating temperature range, low power consumption and it is also capable of handling digital and analog audio signals with ease. This makes it an ideal choice for audio amplification in various applications.

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