OPA548T

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  • FabricanteTexas Instruments

  • Peça do Fabricante #OPA548T

  • Em Estoque5829

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Especificações

Atributo Valor
Package Bulk,Tube
ProductStatus Active
AmplifierType Power
NumberofCircuits 1
SlewRate 10V/µs
GainBandwidthProduct 1 MHz
Current-InputBias 100 nA
Voltage-InputOffset 2 mV
Current-Supply 17mA
Current-Output/Channel 5 A
Voltage-SupplySpan(Min) 8 V
Voltage-SupplySpan(Max) 60 V
OperatingTemperature -40°C ~ 85°C
MountingType Through Hole
Package/Case TO-220-7 Formed Leads

Visão Geral

Description

The OPA548T is a high-voltage, high-current operational amplifier designed for a wide range of applications requiring a robust and versatile amplifier. Key features include its ability to deliver continuous output currents up to 3 amps and operate with supply voltages up to 60 volts, making it suitable for driving heavy loads. It offers excellent performance with low distortion and wide bandwidth, providing high-quality signal amplification.
The OPA548T features thermal shutdown and current limit protection, enhancing its reliability and safeguarding against extreme conditions. Its adjustable current limit feature allows users to set the desired limit via an external resistor, offering flexibility in various applications.
Suitable for industrial, automotive, and audio applications, the OPA548T can be used in motor control, power supply designs, and transducer drivers. Its robust design and high current capability make it ideal for demanding environments where consistent performance is critical. The device is available in an easy-to-mount TO-220 package, facilitating thermal management and simplifying PCB design.

Equivalent

The OPA548T is a high-voltage, high-current operational amplifier by Texas Instruments. Equivalent products include:
1. LT1210 by Analog Devices: A high-speed, high-current operational amplifier.
2. LM675 by Texas Instruments: A high-power audio amplifier with similar voltage and current capabilities.
3. TDA2030 by STMicroelectronics: A lower-power alternative, often used in audio applications.
Ensure to verify specifications and performance differences to confirm suitability for your application.

Features

The OPA548T is a high-voltage, high-current operational amplifier designed for a broad range of applications. Key features include:
1. High Output Current: Capable of delivering up to 3 A continuous output current, making it suitable for driving heavy loads.
2. Wide Power Supply Range: Operates on a wide voltage range from ±10V to ±60V, providing flexibility in different power supply configurations.
3. Thermal Protection: Includes thermal shutdown to prevent damage from overheating, enhancing reliability and safety.
4. Adjustable Current Limit: Allows for the setting of maximum output current via an external resistor, offering precise control over the current output.
5. Protection Features: Built-in protection against short circuits, over-temperature, and over-current conditions.
6. Packaging: Available in a TO-220 package, providing ease of mounting and heat dissipation.
7. High Slew Rate: Features a slew rate of 10V/µs, allowing for fast response times in dynamic applications.
These features make the OPA548T ideal for industrial applications, motor drives, and audio amplifiers where high power and robust performance are required.

Pinout

The OPA548T is a high-voltage, high-current operational amplifier commonly used in power applications. It typically comes in an 11-pin power package, such as the TO-220 style. Here’s a brief overview of its pin functions:
1. Vin- (Inverting Input): Connects to the inverting input of the amplifier.
2. Vin+ (Non-Inverting Input): Connects to the non-inverting input of the amplifier.
3. Vout (Output): The output of the amplifier.
4. V- (Negative Supply Voltage): Connects to the negative supply voltage.
5. V+ (Positive Supply Voltage): Connects to the positive supply voltage.
6. Ilim (Current Limit): Sets the current limit for the amplifier.
7. E/S (Enable/Shutdown): Used to enable or disable the amplifier.
8. SENSE: Used for sensing the output current, often shorted to Vout.
9. V+SENSE: Monitors the positive power supply voltage.
10. V-SENSE: Monitors the negative power supply voltage.
11. Case/Ground: Connects to the ground or chassis.
These pins enable the OPA548T to perform in high-power applications with features like adjustable current limit and thermal protection.

Manufacturer

The OPA548T is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a broad range of integrated circuits (ICs) and electronic components. With a focus on innovation and technology, TI serves various industries including automotive, industrial, personal electronics, communications, and enterprise systems. The company is known for its strong emphasis on research and development, supporting engineers and designers with high-performance products, tools, and resources.

Application

The OPA548T is a high-voltage, high-current operational amplifier designed for a variety of applications. It is commonly used in motor control systems, servo control circuits, and power supply regulation due to its ability to deliver high current and operate at wide voltage ranges. Additionally, it is suitable for audio amplification, piezoelectric transducer drivers, and test equipment requiring precise control of high current. Its robust features, such as thermal protection and current limiting, make it ideal for driving inductive loads and other demanding applications. Its versatility also extends to use in industrial automation and instrumentation where reliable high-power amplification is critical.

Package

The OPA548T is an operational amplifier available in a TO-220 package type, which is a through-hole package known for its capability to handle higher power levels and facilitate heat dissipation effectively through its metal tab.

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