LM4920TL/NOPB

Product Overview

Category

LM4920TL/NOPB belongs to the category of audio amplifiers.

Use

It is used for amplifying audio signals in various electronic devices such as smartphones, tablets, and portable media players.

Characteristics

• High-quality audio amplification
• Low power consumption
• Small form factor
• Integrated volume control

Package

The LM4920TL/NOPB comes in a small outline package (SOP) with a specified footprint and pin configuration.

Essence

The essence of LM4920TL/NOPB lies in its ability to provide high-fidelity audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM4920TL/NOPB is typically packaged in reels and available in quantities suitable for mass production.

Specifications

• Power Supply Range: 2.7V to 5.5V
• Output Power: 1.1W at 5V, 10% THD+N, 8Ω Load
• Shutdown Current: 0.6μA (typ)
• Quiescent Current: 4mA (typ)

Detailed Pin Configuration

The LM4920TL/NOPB has a standard pin configuration with pins designated for power supply, input, output, and control functions. The detailed pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | SD | Shutdown Control Input | | 3 | INP | Positive Audio Input | | 4 | INN | Negative Audio Input | | 5 | GND | Ground | | 6 | OUT | Audio Output | | 7 | VSS | Ground |

Functional Features

• Integrated Volume Control
• Thermal Shutdown Protection
• Short-Circuit and Overload Protection
• Low-Power Consumption in Shutdown Mode

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Compact size
• Low power consumption
• Integrated volume control

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for certain functionalities

Working Principles

The LM4920TL/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It regulates the output power based on the input signal and provides thermal and overload protection to ensure reliable performance.

Detailed Application Field Plans

The LM4920TL/NOPB is well-suited for use in portable electronic devices such as: - Smartphones - Tablets - Portable Media Players - Bluetooth Speakers

Detailed and Complete Alternative Models

Some alternative models to LM4920TL/NOPB include: - LM4863 - TPA2012 - MAX98306

In conclusion, the LM4920TL/NOPB is a versatile audio amplifier that offers high-quality audio amplification in a compact and efficient package, making it ideal for various portable electronic devices.

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