Series:	Boomer®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	675mW x 1 @ 8 Ohm
Voltage - Supply:	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:	LM4902

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LM4902MM/NOPB Application Field and Working Principle

Linear amplifiers are electronic devices or circuits used for adding power to signals in order to increase their amplitude. Linear amplifiers are used in a variety of applications, including audio, television, and radio transmission. Audio amplifiers are used in home stereos, professional audio, car audio, and many other applications. They are used to amplify sound signals so that they can be heard at higher volumes. The LM4902MM/NOPB is a low-power, low-cost audio amplifier targeted at boosting sound levels in portable media applications. This article will examine the application field and working principle of the device.The LM4902MM/NOPB is an op-amp, or operational amplifiers, which provide an amplified voltage or current output when an input signal is applied to their inputs. It is a type of linear amplifier, which is capable of adding power to input signals without distorting their waveforms. It is a monolithic integrated circuit (IC) made using Texas Instruments\' Advanced Linear Systems (ALS) process. This process helps the device to provide a low power consumption and high efficiency. The device provides a wide operating temperature range, allowing it to be used in both indoor and outdoor applications.The LM4902MM/NOPB is designed for use in audio applications, such as headphones, headsets, microphones and handheld devices. It features a bandwidth of 32kHz and a low noise performance. It is designed to provide a low distortion and good signal-to-noise ratio (SNR). The device is designed to provide a low noise performance with a maximum differential input voltage of 5V. The device features an output current of up to 75mA and a maximum power output of 250mW.The LM4902MM/NOPB is a two-stage, high-efficiency audio amplifier. Its two stages consist of a voltage buffer and a current amplifier. The voltage buffer is used to amplify small signals, while the current amplifier boosts the output current. The amplifier stages are connected through a feedback loop. The feedback loop is used to maintain a stable output voltage despite changes in the input signal. It also helps to maintain a flat frequency response.The LM4902MM/NOPB is powered by a single supply of 5V or 3V. It can be used with a 3V or 5V power supply. The device also features a wide input voltage range of 0V to 5V, making it suitable for use in applications such as car audio systems. An internal rail-to-rail output buffer provides a low output impedance and improved SNR.The LM4902MM/NOPB is designed to provide a cost-effective and simple solution for boosting the output in audio applications. It is designed to provide a low-power and low-cost solution while still providing high efficiency and good sound quality. The device is designed to operate in a wide range of applications, making it a versatile amplifier for a variety of uses.

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