LM3886T/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Power Amplifier
• Characteristics: High-performance, high-fidelity audio amplification
• Package: TO-220-11
• Essence: Monolithic power amplifier delivering 68W of continuous average output power
• Packaging/Quantity: Tube/50 pieces per tube

Specifications

• Power Supply Voltage: ±20V to ±84V
• Output Power: 68W (Typical)
• Total Harmonic Distortion + Noise: 0.03% (Typical)
• Input Impedance: 150kΩ (Typical)
• Voltage Gain: 27dB (Typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM3886T/NOPB IC has the following pin configuration:

1. V- (Negative Power Supply)
2. IN- (Inverting Input)
3. IN+ (Non-Inverting Input)
4. V+ (Positive Power Supply)
5. Vout (Output)
6. Vout (Output)
7. V+ (Positive Power Supply)
8. IN+ (Non-Inverting Input)
9. IN- (Inverting Input)
10. V- (Negative Power Supply)
11. GND (Ground)

Functional Features

• High-performance audio amplification with low distortion and noise
• Wide supply voltage range for flexibility in various applications
• Short-circuit protection and thermal shutdown for enhanced safety
• Internal current limiting to prevent damage to the device
• Minimal external components required for a simple circuit design

Advantages and Disadvantages

Advantages: - High-quality audio amplification with low distortion - Wide supply voltage range allows for versatile applications - Built-in protection features enhance safety and reliability - Simple circuit design with minimal external components

Disadvantages: - Requires careful heat dissipation due to high power output - Limited availability of alternative models with similar specifications

Working Principles

The LM3886T/NOPB is a monolithic power amplifier that utilizes a combination of voltage amplification and current amplification stages to deliver high-quality audio amplification. It operates by receiving an input audio signal, which is then amplified and delivered to the output stage. The device incorporates various protection mechanisms to ensure safe operation and prevent damage.

Detailed Application Field Plans

The LM3886T/NOPB is commonly used in the following application fields:

1. Home audio systems
2. Professional audio equipment
3. Car audio systems
4. Musical instrument amplifiers
5. Public address systems

Detailed and Complete Alternative Models

While the LM3886T/NOPB is a widely used audio power amplifier, there are several alternative models available with similar specifications. Some notable alternatives include:

1. TDA7294 - Audio Power Amplifier IC
2. TPA3116D2 - Class D Audio Amplifier IC
3. STA540 - 4-channel Audio Amplifier IC
4. TDA2030A - Audio Amplifier IC

These alternative models offer similar functionality and can be considered as replacements for the LM3886T/NOPB in various audio amplification applications.

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