LM3886TF/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Power Amplifier
• Characteristics: High-performance, low-distortion, stereo audio amplifier
• Package: TO-220-11
• Essence: The LM3886TF/NOPB is a high-fidelity audio power amplifier designed for use in consumer audio applications.
• Packaging/Quantity: Available in tubes or reels, quantity varies based on manufacturer.

Specifications

• Power Supply Voltage: ±20V to ±84V
• Output Power: 68W (typical) into 4Ω load at ±28V supply
• Total Harmonic Distortion: 0.03% (typical) at 1kHz and 20W output power
• Input Impedance: 150kΩ (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM3886TF/NOPB has a total of 11 pins arranged as follows:

|-------------------| | | IN- | 1 11 | V- IN+ | 2 10 | V+ OUT | 3 9 | BYPASS GND | 4 8 | MUTE GND | 5 7 | ST-BY | | |-------------------|

Functional Features

• High-performance audio amplifier with low distortion and noise
• Wide voltage range allows flexibility in power supply design
• Minimal external components required for operation
• Built-in mute and standby modes for power management
• Bypass pin for direct coupling option
• Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High-fidelity audio reproduction - Low distortion and noise levels - Flexible power supply options - Simple circuit design with minimal external components - Power management features for energy efficiency

Disadvantages: - Requires careful heat dissipation due to high power output - Limited output power compared to some other amplifiers - Not suitable for low-power applications

Working Principles

The LM3886TF/NOPB operates as a class AB audio amplifier. It uses a complementary push-pull configuration to amplify the input audio signal. The amplified signal is then delivered to the connected speakers or load. The amplifier's internal circuitry ensures low distortion and noise levels, providing high-quality audio output.

Detailed Application Field Plans

The LM3886TF/NOPB is commonly used in various audio applications, including:

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

Its high-performance characteristics make it suitable for applications where accurate and clean audio reproduction is desired.

Detailed and Complete Alternative Models

• TDA7294: Similar audio power amplifier IC with comparable specifications.
• TPA3116D2: Digital audio amplifier IC with integrated audio processing capabilities.
• STA540: Dual bridge audio amplifier IC with built-in thermal protection.

These alternative models offer similar functionality and can be considered as substitutes for the LM3886TF/NOPB based on specific application requirements.

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