LM4910MAX/NOPB

Product Overview

Category

The LM4910MAX/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 media players, and other portable electronic devices.

Characteristics

• Low voltage operation
• High efficiency
• Small package size
• Thermal shutdown protection

Package

The LM4910MAX/NOPB comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of LM4910MAX/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM4910MAX/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Output Power: 1.25W at 3.6V, 10% THD+N into 8Ω
• Efficiency: Up to 90%
• Shutdown Current: 0.01µA (typical)

Detailed Pin Configuration

The LM4910MAX/NOPB has a total of 8 pins: 1. VDD - Power supply input 2. SHUTDOWN - Shutdown control input 3. BYPASS - Bypass capacitor connection 4. GND - Ground 5. IN- - Negative audio input 6. IN+ - Positive audio input 7. OUT- - Negative speaker output 8. OUT+ - Positive speaker output

Functional Features

• Low quiescent current
• Short-circuit and thermal protection
• Integrated volume control
• Soft-start feature for pop reduction

Advantages

• Wide operating voltage range
• High efficiency
• Compact package size
• Integrated volume control for simplified design

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for full functionality

Working Principles

The LM4910MAX/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It regulates the output to drive the connected speaker while maintaining high efficiency and low power consumption.

Detailed Application Field Plans

The LM4910MAX/NOPB is well-suited for use in portable electronic devices where space and power efficiency are crucial. It can be integrated into smartphones, tablets, portable media players, and other battery-powered devices requiring audio amplification.

Detailed and Complete Alternative Models

Some alternative models to LM4910MAX/NOPB include: - TPA2012D2 from Texas Instruments - MAX98306 from Maxim Integrated - NJU7089 from New Japan Radio

In conclusion, the LM4910MAX/NOPB is a versatile audio power amplifier designed for portable electronic devices, offering high efficiency and compact size. Its integration of essential features makes it a suitable choice for various applications in the consumer electronics industry.

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