LM48903TLE/NOPB

Product Overview

Category

LM48903TLE/NOPB belongs to the category of audio power amplifiers.

Use

It is used to amplify audio signals in various electronic devices such as smartphones, tablets, portable speakers, and other audio applications.

Characteristics

• High efficiency
• Low quiescent current
• Thermal shutdown protection
• Short-circuit and thermal protection

Package

The LM48903TLE/NOPB comes in a small outline package (SOP) with exposed pad for enhanced thermal performance.

Essence

The essence of LM48903TLE/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient package.

Packaging/Quantity

The LM48903TLE/NOPB is typically packaged in reels and available in quantities suitable for mass production.

Specifications

• Output Power: 3.1W at 5V, 10% THD+N, 4Ω Load
• Efficiency: 88% at 1W into 8Ω
• Quiescent Current: 2.0mA
• Shutdown Current: 0.01μA
• Operating Voltage Range: 2.5V to 5.5V

Detailed Pin Configuration

The LM48903TLE/NOPB has a total of 16 pins, including power supply pins, input and output pins, and control pins. The detailed pin configuration can be found in the product datasheet.

Functional Features

• Wide operating voltage range
• Low quiescent current
• Integrated thermal and short-circuit protection
• Filterless operation

Advantages

• High efficiency
• Small form factor
• Built-in protection features
• Suitable for battery-powered applications

Disadvantages

• Limited output power compared to higher wattage amplifiers
• May require additional external components for specific applications

Working Principles

The LM48903TLE/NOPB operates by amplifying the input audio signal using an internal amplifier circuit and delivering the amplified signal to the connected speaker or load. It utilizes a low quiescent current design to minimize power consumption and includes protection features to ensure safe operation.

Detailed Application Field Plans

The LM48903TLE/NOPB is well-suited for use in portable electronic devices such as Bluetooth speakers, headphones, and handheld gaming consoles. Its low power consumption and integrated protection make it ideal for battery-powered applications where space and efficiency are crucial.

Detailed and Complete Alternative Models

Some alternative models to LM48903TLE/NOPB include: - LM4863: A 2.2W audio power amplifier with similar characteristics - TPA2012: A 2.1W stereo Class-D audio power amplifier - MAX98306: A 3.2W mono Class D amplifier with integrated boost converter

In conclusion, the LM48903TLE/NOPB is a versatile audio power amplifier that offers high efficiency, low power consumption, and integrated protection features. Its compact package and wide operating voltage range make it suitable for a variety of portable and battery-powered applications.

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