LM4859SPX/NOPB

Introduction

The LM4859SPX/NOPB is a versatile audio amplifier belonging to the category of integrated circuits. This device is commonly used in various electronic applications to amplify audio signals with high fidelity and efficiency. Its compact package, essential features, and wide-ranging application make it a valuable component in modern electronic designs.

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplification
• Characteristics: High Fidelity, Efficiency
• Package: 14-pin LLP
• Essence: Audio Signal Amplification
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Output Power: 1.4W per channel into 8Ω at 5V
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.2W, 8Ω
• Quiescent Current: 3.3mA (typical)
• Shutdown Current: 0.01μA (typical)

Detailed Pin Configuration

The LM4859SPX/NOPB features a 14-pin LLP package with the following pin configuration: 1. Shutdown 2. Input Bypass 3. Gain Select 4. Input- 5. Input+ 6. VDD 7. GND 8. Output A 9. Output B 10. Filter 11. Bypass 12. Gain Select 13. Input Bypass 14. Shutdown

Functional Features

• Low Quiescent Current
• Wide Supply Voltage Range
• Thermal Shutdown Protection
• Short-Circuit and Thermal Protection

Advantages and Disadvantages

Advantages

• High Fidelity Audio Amplification
• Low Power Consumption
• Compact Package Size

Disadvantages

• Limited Output Power for High Impedance Loads
• External Filtering may be Required for Specific Applications

Working Principles

The LM4859SPX/NOPB operates by amplifying low-power audio signals from input sources such as microcontrollers or audio playback devices. It utilizes internal circuitry to boost the signal while maintaining high fidelity and minimizing distortion. The device also incorporates protection features to ensure safe operation under various conditions.

Detailed Application Field Plans

The LM4859SPX/NOPB finds extensive use in portable electronic devices, including: - Mobile Phones - Portable Media Players - Bluetooth Speakers - Wearable Devices

Detailed and Complete Alternative Models

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

In conclusion, the LM4859SPX/NOPB is a highly efficient and reliable audio amplifier IC suitable for a wide range of portable electronic applications. Its compact size, low power consumption, and high-fidelity audio amplification make it an ideal choice for modern electronic designs.

Word Count: 413