LM4891MM/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Part Status:	Obsolete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:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Base Part Number:	LM4891

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LM4891MM/NOPB is an audio amplifying linear IC designed by TI and manufactured by NOPB. It is used in various consumer and industrial products, and it is specially designed to amplify audio signals. This device is a general purpose, single-ended, dual-power audio amplifier which can be used to drive stereo headphone outputs, as well as mono and multi-channel headphone outputs. It operates over a wide 8V to 28V supply range and features low-noise and high- efficiency. The LM4891MM/NOPB also offers a low distortion performance with a high output power. The LM4891MM/NOPB is composed of two internal amplifiers. The first amplifier acts as a voltage amplifier and is used to convert the input signal into a higher voltage. The second amplifier is a power amplifier, which is used to further increase the voltage of the signal and provide more power. The typical power output of the chip is 2 Watts, although it can deliver as much as 4 Watts. This chip can be used as a stand-alone amplifier or as a pre-amplifier in a larger system. It is also used in a wide variety of consumer and industrial applications such as portable media players, MP3 players, car audio systems and home audio systems. The chip is capable of providing high-quality audio output and has the ability to amplify a wide range of signals, including both analog and digital signals. It has a total harmonic distortion (THD) performance of 0.02 percent, and its current consumption is very low at 70 mA. The LM4891MM/NOPB also offers a wide selection of control options, including an adjustable gain control and mute, which can be used to optimize the sound quality according to the user\'s preferences. Additionally, this device is designed to remain stable even when subject to high heat and high power. The LM4891MM/NOPB is a robust and highly efficient audio amplifier solution. It can provide high-quality audio output with low distortion, low noise, and high-efficiency performance. It is suitable for a wide variety of applications and is designed to be highly reliable in operation.

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