LM4853MMX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small form factor - Wide voltage range operation

Package: MMX Package

Essence: The LM4853MMX/NOPB is a high-performance audio amplifier IC designed for various audio applications. It provides excellent sound quality and low power consumption, making it suitable for portable devices such as smartphones, tablets, and portable media players.

Packaging/Quantity: The LM4853MMX/NOPB is available in a MMX package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.1W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.03%
• Signal-to-Noise Ratio (SNR): 95dB
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4853MMX/NOPB has the following pin configuration:

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| | | LM4853MMX/NOPB | |_______________________________________| | | | 1 10 20 | | ┌─────────────────────┐ | | │ │ | | INL │1 20│ INR | | │ │ | | SHDN │2 19│ VDD | | │ │ | | GND │3 18│ VDD | | │ │ | | BTL │4 17│ GND | | │ │ | | OUTL │5 16│ OUTR | | │ │ | | GND │6 15│ GND | | │ │ | | INL │7 14│ INR | | │ │ | | SHDN │8 13│ VDD | | │ │ | | GND │9 12│ VDD | | │ │ | | BTL │10 11│ GND | |_________│_____________________|_______| ```

Functional Features

• High-quality audio amplification
• Low power consumption for extended battery life
• Wide voltage range operation for compatibility with various power sources
• Short-circuit and thermal protection for enhanced safety
• Pop and click suppression during power-on and power-off transitions

Advantages and Disadvantages

Advantages: - Excellent sound quality - Low power consumption - Compact size - Wide voltage range operation

Disadvantages: - Limited output power compared to larger audio amplifiers - May require additional external components for optimal performance

Working Principles

The LM4853MMX/NOPB is a class AB audio amplifier that amplifies the input audio signal to drive speakers or headphones. It operates by receiving an analog audio input signal, amplifying it, and delivering the amplified signal to the output channels. The amplifier ensures high fidelity sound reproduction while minimizing power consumption.

Detailed Application Field Plans

The LM4853MMX/NOPB is widely used in various portable audio devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

1. LM4863MX/NOPB
2. TPA3116D2PWPR
3. MAX98357AETE+T
4. TAS5717PHPR
5. PAM8403DR

These alternative models offer similar functionality and can be considered as alternatives to the LM4853MMX/NOPB based on specific application requirements.

In conclusion, the LM4853MMX/NOPB is a high-performance audio amplifier IC that provides excellent sound quality, low power consumption, and wide voltage range operation. It is commonly used in portable audio devices such as smartphones, tablets, and portable media players. While it has limitations in terms of output power, it offers several advantages and can be replaced by alternative models for specific application needs.