Overview
The OPA547T is a low-cost, high-voltage/high-current operational amplifier produced by Texas Instruments. It is designed to drive a wide variety of loads and offers excellent low-level signal accuracy and high output voltage and current. The amplifier operates from either single or dual supplies, providing design flexibility, and includes a laser-trimmed monolithic integrated circuit for precise performance. The OPA547T is internally protected against over-temperature conditions and current overloads, making it a reliable choice for various industrial and commercial applications.
Key Specifications
| Specification | Value |
|---|---|
| Amplifier Type | High Voltage |
| Bandwidth | 1 MHz |
| Gain Bandwidth | 1 MHz |
| Input Offset Voltage Max | 5 mV |
| Operating Temperature Range | -40°C to +85°C |
| Number of Pins | 7 |
| Package / Case | TO-220, DDPAK |
| Slew Rate | 6 V/µs |
| Supply Voltage Range | Single: +8V to +60V, Dual: ±4V to ±30V |
| Output Current Continuous | 500mA |
| Current Limit Adjustable | 0mA to 750mA |
Key Features
- Wide Supply Range: Single supply from +8V to +60V and dual supply from ±4V to ±30V.
- High Output Current: 500mA continuous.
- Wide Output Voltage Swing.
- Fully Protected: Thermal shutdown, adjustable current limit, and output disable control.
- Thermal Shutdown Indicator.
- High Slew Rate: 6V/µs.
- Low Quiescent Current.
- Packages: 7-Lead TO-220 (staggered and straight leads) and 7-Lead DDPAK surface-mount.
Applications
- Valve and Actuator Drivers.
- Syncho and Servo Drivers.
- Power Supplies.
- Test Equipment.
- Transducer Excitation.
- Audio Amplifiers.
Q & A
- What is the operating temperature range of the OPA547T? The operating temperature range is -40°C to +85°C.
- What are the available packages for the OPA547T? The OPA547T is available in 7-Lead TO-220 (staggered and straight leads) and 7-Lead DDPAK surface-mount packages.
- What is the maximum output current of the OPA547T? The maximum continuous output current is 500mA.
- Can the current limit of the OPA547T be adjusted? Yes, the current limit can be adjusted from 0mA to 750mA with a 0 to 150 µA control signal.
- What is the slew rate of the OPA547T? The slew rate is 6V/µs.
- Does the OPA547T have thermal shutdown protection? Yes, it has internal thermal shutdown protection.
- How does the Enable/Status (E/S) pin function? The E/S pin disables the output stage and reduces quiescent current to conserve power, and it can also indicate thermal shutdown.
- What is the input offset voltage maximum of the OPA547T? The input offset voltage maximum is 5 mV.
- Is the OPA547T RoHS compliant? Yes, it is RoHS compliant.
- What are some common applications of the OPA547T? Common applications include valve and actuator drivers, syncho and servo drivers, power supplies, test equipment, transducer excitation, and audio amplifiers.
