LM4890ITL/NOPB

Series:	Boomer®
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	1W x 1 @ 8 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:	9-uSMD
Package / Case:	9-WFBGA
Base Part Number:	LM4890

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LM4890ITL/NOPB Application Field and Working Principle

The LM4890ITL/NOPB is a dual power audio amplifier integrated circuit, highly suitable for use in speaker systems. Its high efficiency and small size make it perfect for applications where high-volume audio output is required. This article will discuss the LM4890ITL/NOPB\'s application field and working principle.

Application Field

The LM4890ITL/NOPB is primarily used in audio systems, such as portable sound systems and computer speakers. It can be used to drive high-power speakers, resulting in loud and clear sound. It is also suitable for driving low-power systems, resulting in soft and accurate sound.It is often used in combination with other integrated circuits. Its multiple supply voltages allow it to be used with a variety of devices, as well as with niche components for specialized applications. For instance, it can be used in combination with a voltage regulator to ensure that the power supply to the system is always within a safe range.The LM4890ITL/NOPB is the perfect choice for applications requiring high-volume audio output. Its advanced design provides superior performance and higher power efficiency than other power amplifiers, making it one of the most popular audio amplifiers on the market today.

Working Principle

The LM4890ITL/NOPB is a dual power audio amplifier. It is made up of two independent power amplifiers, each one capable of driving an independent speaker. Each amplifier is powered by a separate supply voltage, which can be individually adjusted to match the voltage requirements of the connected speaker.The LM4890ITL/NOPB operates by amplifying and filtering the incoming audio signal to create a higher-power output. It does this by using a pair of transistors and resistors to raise the voltage of the incoming signal. This increased voltage allows for a higher-amplified sound output. The LM4890ITL/NOPB is designed to be highly efficient, reducing power consumption and heat generation. The integrated circuit can be powered using both standard and alternative sources, such as batteries or solar energy.

Conclusion

The LM4890ITL/NOPB is a highly efficient dual power audio amplifier integrated circuit. It is suitable for driving both high-power and low-power speakers, resulting in loud and clear sound. It can be used in combination with other audio components, and its supply voltages allow it to be used with a variety of devices. Its advanced design provides superior performance and efficiency, making it one of the most popular audio amplifiers on the market.

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