LM4892LD

Series:	Boomer®
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono) with Mono Headphones
Max Output Power x Channels @ Load:	1W x 1 @ 8 Ohm; 90mW x 1 @ 32 Ohm
Voltage - Supply:	2.2 V ~ 5.5 V
Features:	Depop, Shutdown, Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	10-WSON (3x4)
Package / Case:	10-WFDFN Exposed Pad
Base Part Number:	LM4892

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Introduction

The LM4892LD is a high-performance field effect audio amplifier. It has a wide range of applications in the audio industry, from sound producing devices and audio output systems, to amplifying audio signals. The LM4892LD is a mono integrated circuit with a low power supply voltage of +8.5˜ + 15V. This makes it ideal for many audio applications.

Application Field

The LM4892LD is the amplifier of choice for many professional audio applications. The LM4892LD is capable of delivering high output power with low distortion and low noise levels, making it ideal for use in sound producing devices and systems. It can also be used in home audio systems and/or as a stand-alone amplifier. The LM4892LD is suitable for use in stereo or surround sound systems. The LM4892LD is also suited to other audio system applications, including portable music players and even automotive audio systems. Its low power supply voltage makes it a good choice for use in portable systems, as it allows the system to operate on a minimal power supply.

Working Principle

The LM4892LD is a high-performance field effect audio amplifier. It is an integrated circuit containing a number of transistors configured to amplify an audio signal. An input signal is applied to the amplifier and the transistors amplify the signal as it passes through. The output of the amplifier is then fed to the loudspeaker or other output device.The LM4892LD is a class AB amplifier. This type of amplifier features an input stage which accepts a single-ended, unbalanced input signal, and outputs a balanced, push-pull (differential) signal. This allows the amplifier to amplify the input signal without altering its original waveform. The differential nature of the output signal also helps to reduce the amount of noise and distortion in the amplified signal. The LM4892LD amplifier is designed to provide a very low distortion level and operation with minimal gain variation. In addition, the amplifier offers high power efficiency and minimal power consumption.

Conclusion

The LM4892LD is a field effect audio amplifier designed for a wide variety of applications. Its low power supply voltage, low distortion and low noise output make it a suitable choice for use in both professional and home audio systems. In addition, the ability to directly connect to a loudspeaker can save design time and effort. The amplifier is capable of delivering high output power with minimal distortion and noise levels, making it an excellent choice for many audio applications.

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