Overview
The OPA567AIRHGTG4, produced by Texas Instruments, is a low-cost, high-current operational amplifier designed to drive a wide variety of loads while operating on low-voltage supplies. It features rail-to-rail input and output swing, making it highly versatile for various applications. The amplifier is unity gain stable, easy to use, and free from phase inversion problems. It operates from either single or dual supplies, enhancing design flexibility. The OPA567 also includes thermal protection, adjustable current limit, and shutdown functions, making it a robust and reliable choice for high-current applications.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage Range | 2.7 | 5.5 | V | ||
| Output Current | 2 | A | |||
| Input Offset Voltage | IO = 0V, VS = +5V | ±0.5 | ±2 | mV | |
| Input Bias Current | ±1 | ±10 | pA | ||
| Noise Voltage Density | f = 1kHz | 12 | nV/√Hz | ||
| Operating Temperature Range | -40 | 85 | °C | ||
| Package Type | 5mm x 5mm QFN |
Key Features
- High Output Current: Up to 2A
- Rail-to-Rail I/O: Output swing within 150mV of the supply rails
- Thermal Protection: Thermal flag warns of thermal overstress
- Adjustable Current Limit: User-adjustable current limit set via an external resistor or DAC
- Shutdown Function: Output can be independently disabled using the Enable pin
- Low Supply Voltage Operation: Operates from 2.7V to 5.5V
- Small Power Package: 5mm x 5mm QFN package with an exposed thermal pad
Applications
The OPA567 is suitable for a variety of high-current applications, including but not limited to:
- Industrial control systems
- Automotive systems
- Medical devices requiring high current output
- Aerospace and defense applications
- High-power audio amplifiers
Q & A
- What is the maximum output current of the OPA567?
The OPA567 can deliver up to 2A of output current. - What is the operating voltage range of the OPA567?
The OPA567 operates from 2.7V to 5.5V. - Does the OPA567 have thermal protection?
Yes, the OPA567 features a thermal flag that warns of thermal overstress. - How is the current limit set on the OPA567?
The current limit can be set using an external resistor or a DAC. - What is the package type of the OPA567?
The OPA567 is available in a 5mm x 5mm QFN package. - Is the OPA567 unity gain stable?
Yes, the OPA567 is unity gain stable. - Can the output of the OPA567 be disabled?
Yes, the output can be independently disabled using the Enable pin. - What is the input offset voltage of the OPA567?
The input offset voltage is typically ±2mV. - Does the OPA567 have rail-to-rail I/O?
Yes, the OPA567 features rail-to-rail input and output swing. - What is the quiescent current of the OPA567?
The quiescent current is typically 3.4mA with the current limit configured for 200mA.
