LM675T

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LM675T

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  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #LM675T

  • 在庫状況4118

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Bulk,Tube
ProductStatus Active
AmplifierType Power
NumberofCircuits 1
SlewRate 8V/µs
GainBandwidthProduct 5.5 MHz
Current-InputBias 200 nA
Voltage-InputOffset 1 mV
Current-Supply 18mA
Current-Output/Channel 3 A
Voltage-SupplySpan(Min) 10 V
Voltage-SupplySpan(Max) 60 V
OperatingTemperature 0°C ~ 70°C
MountingType Through Hole
Package/Case TO-220-5 Formed Leads

概要

Description

The LM675T is a high-performance audio power amplifier integrated circuit designed by Texas Instruments. It is capable of delivering up to 20 watts of continuous average power to an 8-ohm load, making it suitable for a wide range of audio applications. The device features low distortion and low noise, with a total harmonic distortion (THD) of less than 0.1%, providing high-quality sound reproduction.
The LM675T operates over a wide range of power supply voltages, typically from ±12V to ±30V, allowing flexibility in various design scenarios. It is equipped with built-in protection mechanisms, including thermal shutdown and current limiting, to ensure reliability and prevent damage due to overheating or overcurrent conditions.
The package type for the LM675T is TO-220, which facilitates efficient heat dissipation. Its design simplicity allows for easy integration into audio amplifier circuits with minimal external components. Overall, the LM675T is a versatile and robust choice for audio amplification needs, offering both performance and reliability in a convenient package.

Equivalent

The LM675T is a high-power audio amplifier chip. Equivalent products with similar functionality include the LM1875, TDA2030, and TDA2050. These chips offer similar power output and are suitable for audio amplification applications. Always check the datasheet for specific electrical characteristics and pin compatibility when considering replacements.

Features

The LM675T is a high-performance audio power amplifier integrated circuit designed for a variety of audio applications. Key features include:
1. Output Power: Capable of delivering up to 20 watts of continuous average power to an 8Ω load with less than 0.1% total harmonic distortion.
2. Wide Supply Voltage Range: Operates with a supply voltage range of ±10V to ±30V, offering flexibility for different power supply configurations.
3. Low Distortion: Provides low total harmonic distortion and noise, ensuring high fidelity audio reproduction.
4. Thermal Protection: Includes internal thermal protection circuitry to prevent damage due to overheating.
5. Short Circuit Protection: Safeguards against output short circuits to ground.
6. Current Limit: Features internal current limiting to protect the device and load.
7. High Slew Rate: Offers a slew rate of 50V/μs, allowing for fast and dynamic response to input signals.
8. Gain Configuration: Gain can be externally configured, providing flexibility in application design.
These features make the LM675T suitable for use in audio amplifier systems, musical instruments, and other high-fidelity applications.

Pinout

The LM675T is a high-power audio amplifier IC with a 7-pin TO-220 package. Here is a concise overview of its pin count and functions:
1. Pin 1 (Output): This pin provides the amplified audio output signal.
2. Pin 2 (V+): The positive power supply voltage is applied to this pin.
3. Pin 3 (Non-Inverting Input): The audio signal to be amplified is typically applied here.
4. Pin 4 (Inverting Input): This pin is used for negative feedback and can be connected to ground or used in a differential configuration.
5. Pin 5 (V-): The negative power supply voltage is connected to this pin.
6. Pin 6 (Mute/Standby): This pin can be used to mute the output or place the amplifier in standby mode by controlling the voltage applied.
7. Pin 7 (N/C or Substrate): No internal connection; it may be connected to a heatsink or ground for thermal dissipation.
The LM675T is designed for delivering high-quality audio output with a power rating up to 20W, making it suitable for applications in audio amplifiers and sound systems.

Manufacturer

The LM675T is manufactured by Texas Instruments, an American technology company that designs and produces semiconductors and various integrated circuits. Texas Instruments is one of the largest semiconductor companies in the world and is well-known for its analog chips, embedded processors, and other electronic components used in various applications, including automotive, industrial, personal electronics, and communications equipment. The company has a strong reputation for innovation and quality in the electronics industry.

Application

The LM675T is a power operational amplifier often used in applications requiring high current output and robustness. Key application areas include audio amplification, where it drives speakers or headphones due to its capability to deliver high power with low distortion. It is also used in servo systems and motor control for precise movement regulation. Additionally, the LM675T is suitable for industrial applications such as power supply regulation and active filters, given its ability to handle significant power with minimal heat dissipation. Its versatility makes it a choice for various applications needing reliable amplification and power handling.

Package

The LM675T is typically available in a TO-220 package. This package type is a through-hole, three-pin configuration commonly used for power semiconductor devices, providing a good balance between size and heat dissipation capabilities.

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