LM1876T/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Power Amplifier
• Characteristics: High-performance, stereo audio amplifier
• Package: TO-220-15
• Essence: Provides high-quality audio amplification for various applications
• Packaging/Quantity: Available in tubes of 25 units

Specifications

• Power Supply Voltage: ±10V to ±40V
• Output Power: 20W per channel (4Ω load, THD+N ≤ 0.1%)
• Total Harmonic Distortion + Noise: ≤ 0.1%
• Input Sensitivity: 0.775V (RMS)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM1876T/NOPB has a total of 15 pins. The pin configuration is as follows:

1. Mute
2. Non-Inverting Input (Channel A)
3. Inverting Input (Channel A)
4. VEE (Negative Power Supply)
5. Output (Channel A)
6. GND (Ground)
7. Output (Channel B)
8. VCC (Positive Power Supply)
9. Inverting Input (Channel B)
10. Non-Inverting Input (Channel B)
11. Thermal Pad
12. Bootstrap Capacitor (Channel B)
13. Bootstrap Capacitor (Channel A)
14. Gain Setting Resistor (Channel B)
15. Gain Setting Resistor (Channel A)

Functional Features

• Dual-channel audio power amplifier
• High output power capability
• Low distortion and noise
• Wide supply voltage range
• Mute function for easy control
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Wide operating temperature range - Protection features ensure reliability - Suitable for various audio applications

Disadvantages: - Requires external components for proper operation - Limited output power compared to some other models

Working Principles

The LM1876T/NOPB is a dual-channel audio power amplifier that operates by amplifying the input audio signals received from the non-inverting and inverting inputs of each channel. The amplified signals are then delivered to the respective outputs, which can be connected to speakers or other audio devices.

The amplifier is powered by a positive and negative power supply, allowing it to handle both positive and negative audio signals effectively. It also includes protection features such as short-circuit protection and thermal shutdown, ensuring safe operation and preventing damage to the amplifier and connected devices.

Detailed Application Field Plans

The LM1876T/NOPB is commonly used in various audio applications, including:

1. Home stereo systems
2. Car audio systems
3. Portable audio devices
4. Professional audio equipment
5. Multimedia speakers
6. Audio amplification for musical instruments

Its high-quality audio amplification capabilities make it suitable for both consumer and professional audio applications.

Detailed and Complete Alternative Models

1. TDA7294 - 100W Audio Power Amplifier IC
2. LM3886 - High-Performance Audio Power Amplifier IC
3. TPA3116D2 - Class D Audio Amplifier IC
4. STA540 - 4x13W Quad Bridge Audio Amplifier IC
5. TDA2030A - 18W Hi-Fi Audio Amplifier IC

These alternative models offer different power outputs, features, and characteristics, providing options for various audio amplification requirements.

Word count: 386 words