LM4766T

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LM4766T

+БОМ

AUDIO AMPLIFIER, 40W, 2 CHANNEL(

  • ПроизводительНациональный полупроводник

  • Мфр. Часть #LM4766T

  • Лист данных LM4766T DataSheet

  • Пакет TO-220

  • В наличии7378

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Спецификации

Атрибут Ценность
Package Bulk
Series Overture™
ProductStatus Active
Type Class AB
OutputType 2-Channel (Stereo)
MaxOutputPowerxChannels@Load 40W x 2 @ 8Ohm
Voltage-Supply 20V ~ 60V, ±10V ~ 30V
MountingType Through Hole
OperatingTemperature -20°C ~ 85°C (TA)
SupplierDevicePackage TO-220-15

Обзор

Description

The LM4766T is a high-performance audio power amplifier integrated circuit (IC) designed by Texas Instruments. It is specifically aimed at audio applications, delivering high-quality sound output with minimal distortion. The device is capable of delivering continuous output power of 40W per channel into 8-ohm loads and even higher power into lower impedance loads, making it suitable for driving medium to large speakers in home audio systems.
Key features of the LM4766T include a wide supply voltage range, low Total Harmonic Distortion plus Noise (THD+N), and a high signal-to-noise ratio, ensuring clear and accurate audio reproduction. The IC also integrates advanced protection mechanisms such as thermal shutdown, output current limiting, and short-circuit protection to enhance reliability and safeguard against potential damage.
The chip comes in a TO-220 package, which aids in heat dissipation and allows easy mounting on heat sinks. The LM4766T is popular among DIY audio enthusiasts and professional audio equipment manufacturers due to its robustness, efficiency, and high-fidelity audio output.

Equivalent

The LM4766T is a stereo audio power amplifier IC. Equivalent products include the TDA7294, TDA2030, LM1875, and TDA2050. These ICs are designed for similar applications in audio amplification, providing similar power output and features. When selecting an equivalent, ensure compatibility in terms of power output, voltage range, and other specifications to match the requirements of your specific application.

Features

The LM4766T is a high-performance audio power amplifier designed for consumer electronics. Key features include:
1. Output Power: Delivers up to 40W per channel in stereo mode into an 8-ohm load.
2. Low Distortion: Provides low Total Harmonic Distortion plus Noise (THD+N) for high-quality audio output.
3. Mute Function: Includes a mute feature for noise-free operation during power-up and shutdown.
4. Thermal Protection: Equipped with thermal shutdown circuitry to prevent damage from overheating.
5. Short Circuit Protection: Safeguards against short circuits by shutting down the output stage when necessary.
6. Wide Supply Voltage Range: Operates from a supply voltage range of ±10V to ±40V, accommodating various power supply designs.
7. High Signal-to-Noise Ratio: Ensures clear audio reproduction by minimizing background noise.
8. Minimal External Components: Simplifies design and reduces board space requirements.
9. Efficient Heat Dissipation: The TO-220 package allows effective heat dissipation.
These features make the LM4766T suitable for home stereo systems, televisions, and other audio applications.

Pinout

The LM4766T is a stereo audio power amplifier integrated circuit designed by Texas Instruments. It typically comes in a TO-220 package and has 15 pins. The primary function of the LM4766T is to amplify audio signals for driving speakers in stereo audio applications.
Key pin functions include:
- Power Supply Pins: V+ (positive voltage supply) and V- (negative voltage supply).
- Output Pins: OUT1 and OUT2 for connecting to the loudspeakers.
- Input Pins: IN1 and IN2 for audio input signals.
- Feedback Pins: INV1 and INV2 for inverting inputs, allowing stabilization and gain setting with external components.
- Mute Pins: MUTE1 and MUTE2 control muting of the output signal.
- Bootstrap Pins: BS1 and BS2 are used with external capacitors to enhance performance at low voltage.
- Ground: GND pin for common ground reference.
- Signal Ground: SGND for minimizing ground loop interference.
This configuration ensures efficient amplification with low distortion, suitable for high-quality audio applications.

Manufacturer

The LM4766T is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. Known for its innovation and significant contributions to the electronics industry, TI serves various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is dedicated to developing advanced technologies and solutions that help customers create electronic products for a smarter, more connected world.

Application

The LM4766T is a high-performance audio power amplifier IC commonly used in various audio applications. Its application areas include home theater systems, stereo audio systems, and active speaker setups. It is suitable for use in both consumer and professional audio equipment, offering features like low distortion, high output power, and thermal shutdown protection. The LM4766T is often employed in designs where high fidelity and reliability are required, such as in high-quality audio amplifiers for music playback and sound reinforcement systems. Its compact design and integrated thermal protection make it a popular choice for compact and efficient audio amplifier solutions.

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