LM3875TF/NOPB

Series:	Overture™
Packaging:	Tube
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	56W x 1 @ 8 Ohm
Voltage - Supply:	20 V ~ 84 V, ±10 V ~ 42 V
Features:	Short-Circuit and Thermal Protection
Mounting Type:	Through Hole
Operating Temperature:	-20°C ~ 85°C (TA)
Supplier Device Package:	TO-220-11 Isolated
Package / Case:	TO-220-11 Isolated Tab, Formed Leads
Base Part Number:	LM3875

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LM3875TF/NOPB Application Field and Working Principle

The LM3875TF/NOPB is a monolithic integrated circuit in the audio linear amplifiers family. This component is the latest advancement in audio technology and offers a wide range of benefits to audio enthusiasts.This device is an extremely efficient and reliable audio amplifier that incorporates series termination and on-chip thermal protection to ensure top-notch sound quality. The main applications of the LM3875TF/NOPB are in home theater systems and in commercial audio systems.The LM3875TF/NOPB is ideal for both high-power and low-power applications. It has a wide power range from Audio-Frequency (AF) up to 20 Watts and can easily drive a 4-Ohm subwoofer or other large loads. For low-power applications, the LM3875TF/NOPB is well suited for mobile phones, laptop computers, and other portable devices.The LM3875TF/NOPB offers several features that make it a top-notch audio amplifier. It has a low-noise output, so it can be used for higher-fidelity sound reproduction. The device also has high power efficiency, so it can provide greater sound reproduction while consuming less energy. In terms of sound quality, the LM3875TF/NOPB has excellent linearity and low distortion.In addition, the LM3875TF/NOPB is easy to use and possesses a current source output, which means that its output impedance is maintained constant over its entire range of input signal levels. Plus, it is protected with an internal, on-chip thermal shutdown mode, which prevents it from being damaged due to excessive temperature.The main working principle of the LM3875TF/NOPB is based on the power conversion of electrical signals into waves for sound reproduction. The device uses audio signal input, which after the signal processing enters the amplifier’s input stage. Here the signal is amplified, and then forwarded to the speaker through a driver stage, which consists of transistors, the output buffers, and the heat sink, which dissipates the heat.The following summarizes the LM3875TF/NOPB’s application fields and working principle:The LM3875TF/NOPB is designed for a wide range of audio applications. It offers efficient and reliable sound reproduction, low distortion, current source output, and on-chip thermal protection. The device works by amplifying audio signal input and then powering output through its driver stage, which consists of transistors, output buffers, and a heat sink.

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