OPA548F/500 - English Editing Encyclopedia Entry

Product Overview

Category

The OPA548F/500 belongs to the category of integrated circuit (IC) amplifiers.

Use

It is primarily used as a power operational amplifier for various applications.

Characteristics

• High output current capability
• Wide supply voltage range
• Low input offset voltage
• High slew rate
• Excellent thermal performance

Package

The OPA548F/500 is available in a TO-220 package, which provides good thermal dissipation.

Essence

This product is designed to provide high-performance amplification and power delivery in a compact form factor.

Packaging/Quantity

The OPA548F/500 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: ±10V to ±40V
• Output Current: 3A continuous, 5A peak
• Input Offset Voltage: 1mV maximum
• Slew Rate: 20V/µs typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPA548F/500 has a standard pin configuration with the following pins:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply)
3. IN- (Inverting Input)
4. IN+ (Non-Inverting Input)
5. OUT (Output)
6. NC (No Connection)

Functional Features

• High output current capability enables driving low impedance loads.
• Wide supply voltage range allows flexibility in various applications.
• Low input offset voltage ensures accurate signal amplification.
• High slew rate enables fast response to dynamic signals.
• Excellent thermal performance ensures reliable operation under demanding conditions.

Advantages and Disadvantages

Advantages

• High output current capability for driving demanding loads.
• Wide supply voltage range provides flexibility in power supply selection.
• Low input offset voltage ensures accurate signal amplification.
• High slew rate enables faithful reproduction of fast-changing signals.

Disadvantages

• Relatively high power consumption compared to lower-power amplifiers.
• Limited pin configuration options may restrict certain circuit designs.

Working Principles

The OPA548F/500 operates as a voltage amplifier, taking an input signal and amplifying it to a higher output voltage. It utilizes internal circuitry to provide high current capability and maintain stability under varying load conditions. The amplifier's differential inputs allow for precise control of the output signal, while its wide supply voltage range accommodates different power supply configurations.

Detailed Application Field Plans

The OPA548F/500 finds applications in various fields, including:

1. Audio Amplification: Provides high-quality audio amplification for speakers and headphones.
2. Motor Control: Drives motors with high current requirements, such as in robotics or industrial automation.
3. Power Supply Regulation: Maintains stable voltage levels in power supply circuits.
4. Instrumentation: Amplifies low-level signals from sensors for measurement and analysis purposes.
5. LED Lighting: Controls brightness levels in LED lighting systems.

Detailed and Complete Alternative Models

1. OPA541AP: Similar performance characteristics with a different pin configuration.
2. OPA549T: Lower output current capability but offers improved thermal performance.
3. OPA547FKT: Higher output current capability and wider supply voltage range.

These alternative models can be considered based on specific application requirements and design constraints.

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