LM1875T/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Power Amplifier
• Characteristics: High-performance, low distortion, audio amplifier
• Package: TO-220-5
• Essence: The LM1875T/NOPB is a monolithic power amplifier that delivers high-quality audio amplification with low distortion and noise.
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier.

Specifications

• Power Supply Voltage: ±22V to ±35V
• Output Power: 20W to 30W
• Total Harmonic Distortion: 0.015% (typical)
• Input Impedance: 150kΩ
• Voltage Gain: 90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM1875T/NOPB has a 5-pin configuration:

1. Pin 1: Non-Inverting Input (+IN)
2. Pin 2: Inverting Input (-IN)
3. Pin 3: Output (OUT)
4. Pin 4: V- (Negative Power Supply)
5. Pin 5: V+ (Positive Power Supply)

Functional Features

• High-quality audio amplification with low distortion and noise
• Wide operating voltage range for flexibility in power supply selection
• Short-circuit protection to prevent damage to the device
• Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low distortion and noise - Wide operating voltage range - Built-in protection features

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external power supply

Working Principles

The LM1875T/NOPB operates as a class AB audio power amplifier. It amplifies the input audio signal and delivers it to the output with minimal distortion and noise. The device utilizes a combination of internal circuitry and external components to achieve high-quality audio amplification.

Detailed Application Field Plans

The LM1875T/NOPB is commonly used in various audio applications, including:

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

Detailed and Complete Alternative Models

• TDA2030A
• TDA2050
• LM3886
• TPA3116D2
• STA540

These alternative models offer similar functionality and can be used as substitutes for the LM1875T/NOPB in audio amplifier applications.

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