LM4851LQ/NOPB

Product Overview

The LM4851LQ/NOPB belongs to the category of audio amplifiers and is commonly used in electronic devices such as smartphones, tablets, and portable media players. This integrated circuit amplifier is known for its compact package, high efficiency, and low power consumption. The LM4851LQ/NOPB is typically available in a small outline package (SOP) and is designed to enhance audio performance in various consumer electronic products.

Basic Information

• Category: Audio Amplifier
• Use: Enhancing audio performance in electronic devices
• Characteristics: Compact, high efficiency, low power consumption
• Package: Small Outline Package (SOP)
• Essence: Improving audio quality and output power
• Packaging/Quantity: Typically supplied in reels or tubes

Specifications

• Output Power: Up to 1.3W per channel into 8Ω at 5V
• Total Harmonic Distortion (THD): 0.2% (typical) at 1W into 8Ω
• Supply Voltage Range: 2.4V to 5.5V
• Shutdown Current: 0.6μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4851LQ/NOPB features a standard pin configuration with inputs, outputs, power supply, and control pins. The detailed pinout can be found in the product datasheet.

Functional Features

• Integrated volume control
• Thermal shutdown protection
• Short-circuit and overcurrent protection
• Low quiescent current

Advantages and Disadvantages

Advantages

• Compact size
• High efficiency
• Integrated volume control
• Low power consumption

Disadvantages

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

Working Principles

The LM4851LQ/NOPB operates by amplifying the input audio signal and delivering it to the connected speaker or headphone. It utilizes internal circuitry to control volume, protect against thermal issues, and ensure reliable audio output.

Detailed Application Field Plans

The LM4851LQ/NOPB is widely used in portable electronic devices where space and power efficiency are crucial. Its applications include but are not limited to: - Smartphones - Tablets - Portable media players - Wearable devices

Detailed and Complete Alternative Models

• TPA2012D2 from Texas Instruments
• MAX98306 from Maxim Integrated
• NCP2820 from ON Semiconductor

In conclusion, the LM4851LQ/NOPB offers a compact and efficient solution for enhancing audio performance in various electronic devices. Its integration of volume control and protection features makes it a popular choice for portable consumer electronics.

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