Overview
The OPA548F/500G3 is a high-voltage, high-current operational amplifier produced by Texas Instruments. This device is part of the OPA548 series, known for its versatility and robust performance. It is designed to drive a wide variety of loads, making it suitable for various industrial and commercial applications. The OPA548F/500G3 operates from either single or dual supplies, offering design flexibility and excellent low-level signal accuracy along with high-output voltage and current capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 8 V to 60 V (Single Supply), ±4 V to ±30 V (Dual Supply) | V |
| Bandwidth | 1 MHz | Hz |
| Slew Rate | 10 V/μs | V/μs |
| Output Current | 3 A Continuous, 5 A Peak | A |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 7-lead DDPAK/TO-263 | |
| Rohs Compliance | Yes | |
| Thermal Shutdown Temperature | Approximately 160°C | °C |
Key Features
- High-Voltage and High-Current Capability: Operates from single or dual supplies, with a wide supply voltage range of 8 V to 60 V and ±4 V to ±30 V, respectively.
- Adjustable Current Limit: Allows user-selected current limit from 0 A to 5 A using an external resistor or potentiometer, or digitally with a DAC.
- Output Enable/Status Pin: Enables output stage control and thermal shutdown status monitoring.
- Thermal Shutdown Protection: Internally protected against overtemperature conditions.
- Low Quiescent Current: Reduces power consumption when the output is disabled.
- High Slew Rate: 10 V/μs for fast signal response.
Applications
- Semiconductor Manufacturing and Test: Ideal for driving various loads in semiconductor production and testing environments.
- Lab and Field Instrumentation: Suitable for use in laboratory equipment and field instruments due to its high accuracy and robustness.
- LCD Test Equipment: Used in testing and driving LCD displays.
- Analog Input Modules: Employed in analog input modules for various industrial applications.
- Ultrasound Scanners: Utilized in medical equipment such as ultrasound scanners due to its high-current and high-voltage capabilities.
Q & A
- What is the supply voltage range of the OPA548F/500G3?
The OPA548F/500G3 operates from a single supply of 8 V to 60 V or a dual supply of ±4 V to ±30 V.
- What is the maximum output current of the OPA548F/500G3?
The device can deliver up to 3 A continuous and 5 A peak output current.
- How is the current limit adjusted on the OPA548F/500G3?
The current limit can be adjusted from 0 A to 5 A using an external resistor or potentiometer, or digitally with a DAC.
- What is the purpose of the Enable/Status (E/S) pin?
The E/S pin allows the output stage to be disabled and also provides a status indicator for thermal shutdown.
- What is the thermal shutdown temperature of the OPA548F/500G3?
The device shuts down when the die temperature reaches approximately 160°C.
- Is the OPA548F/500G3 RoHS compliant?
Yes, the OPA548F/500G3 is RoHS compliant.
- What are the common applications of the OPA548F/500G3?
Common applications include semiconductor manufacturing and test, lab and field instrumentation, LCD test equipment, analog input modules, and ultrasound scanners.
- What is the slew rate of the OPA548F/500G3?
The slew rate is 10 V/μs.
- What package types are available for the OPA548F/500G3?
The device is available in a 7-lead DDPAK/TO-263 package.
- What is the operating temperature range of the OPA548F/500G3?
The operating temperature range is -40°C to 85°C.
