LM4995SD/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low distortion and noise - Wide supply voltage range - Small package size - Thermal shutdown protection

Package: SD (Shrink Small Outline Package)

Essence: The LM4995SD/NOPB is a high-performance audio amplifier IC designed for various audio applications. It provides low distortion and noise, making it suitable for high-fidelity audio systems.

Packaging/Quantity: The LM4995SD/NOPB is available in a small outline package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.4W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.03% (typical)
• Signal-to-Noise Ratio (SNR): 100dB (typical)
• Shutdown Current: 0.01μA (typical)

Pin Configuration

The LM4995SD/NOPB has the following pin configuration:

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| | | LM4995SD/NOPB | |_______________________________________| | | | 1 2 3 4 | | VDD INL INR GND | |_______________________________________| ```

Functional Features

• High-quality audio amplification
• Low power consumption
• Thermal shutdown protection
• Short-circuit protection
• Pop and click suppression during power-up and power-down

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low distortion and noise - Wide supply voltage range allows flexibility in power source selection - Small package size enables compact designs - Thermal shutdown protection prevents damage due to overheating

Disadvantages: - Limited output power compared to larger audio amplifiers - Requires external components for a complete audio system

Working Principles

The LM4995SD/NOPB is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the input audio signal and delivers it to the connected speakers or headphones. The amplifier operates within a specified supply voltage range and provides low distortion and noise for high-quality audio reproduction.

Detailed Application Field Plans

The LM4995SD/NOPB can be used in various audio applications, including: 1. Portable audio devices 2. Headphone amplifiers 3. Multimedia speakers 4. Home theater systems 5. Automotive audio systems

Detailed and Complete Alternative Models

Some alternative models to the LM4995SD/NOPB include: - LM4863 - TPA3116D2 - MAX9744 - TAS5630

These alternative models offer similar functionality and performance characteristics, providing options for different design requirements.

In conclusion, the LM4995SD/NOPB is a high-performance audio amplifier IC suitable for various audio applications. Its low distortion, wide supply voltage range, and small package size make it an ideal choice for compact audio systems. However, its limited output power may not be suitable for high-power audio applications. Designers can consider alternative models based on their specific requirements.