Overview
The OPA453FAKTWT is a high-voltage, high-current operational amplifier produced by Texas Instruments. This device is part of the OPA453 series, known for its robust performance and versatility. The OPA453FAKTWT is designed to operate with high-voltage power supplies ranging from ±10V to ±40V, providing a total voltage range of 80V. It is unity-gain stable for gains greater than 5 and features a gain bandwidth product of 7.5MHz. The amplifier is internally protected against over-temperature conditions and current overloads, ensuring reliable operation in demanding applications.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage Range | ±10 | ±40 | V | ||
| Output Current | ±50 | mA | |||
| Short-Circuit Current | ±125 | mA | |||
| Gain Bandwidth Product (GBW) | VS = ±40V | 7.5 | MHz | ||
| Slew Rate (SR) | VS = ±40V | +23 | -38 | V/µs | |
| Input Offset Voltage (VOS) | VS = ±40V, VCM = 0V, IO = 0V | ±1 | ±3 | ±6 | mV |
| Operating Junction Temperature Range | -40 | +125 | °C | ||
| Thermal Shutdown Temperature | +160 | °C | |||
| Thermal Resistance (θJC) | TO220-7, DDPAK-7 | 3 | °C/W |
Key Features
- High-Voltage Operation: The OPA453FAKTWT can operate with power supplies ranging from ±10V to ±40V, providing a total voltage range of 80V.
- High-Current Capability: The amplifier can deliver up to ±50mA of output current and has a short-circuit current limit of approximately ±125mA.
- Internal Protection: The device is internally protected against over-temperature conditions and current overloads, ensuring reliable operation.
- Thermal Shutdown: Thermal shutdown circuitry disables the output when the junction temperature reaches approximately 160°C and re-enables it when the temperature cools to around 140°C.
- Low Distortion and Noise: The amplifier features low total harmonic distortion plus noise (THD+N) and high common-mode rejection ratio (CMRR), making it suitable for high-fidelity applications.
- Wide Output Swing: The OPA453FAKTWT provides a wide output voltage swing, allowing for operation close to the supply rails.
Applications
- Piezoelectric Cell Drivers: The high-voltage and high-current capabilities make it ideal for driving piezoelectric cells.
- Test Equipment: Suitable for use in various test equipment due to its high accuracy and reliability.
- Audio Amplifiers: Can be used in audio amplifiers requiring high fidelity and low distortion.
- Transducer Drivers: Effective for driving transducers in industrial and medical applications.
- Servo Drivers: The high current and voltage capabilities make it suitable for servo motor control applications.
Q & A
- What is the supply voltage range for the OPA453FAKTWT?
The OPA453FAKTWT can operate with power supplies ranging from ±10V to ±40V, providing a total voltage range of 80V.
- What is the maximum output current of the OPA453FAKTWT?
The maximum output current is ±50mA.
- Does the OPA453FAKTWT have internal protection against overloads?
- What is the gain bandwidth product (GBW) of the OPA453FAKTWT?
The gain bandwidth product is 7.5MHz.
- What is the thermal shutdown temperature for the OPA453FAKTWT?
The thermal shutdown temperature is approximately +160°C.
- What are the typical applications of the OPA453FAKTWT?
It is used in piezoelectric cell drivers, test equipment, audio amplifiers, transducer drivers, and servo drivers.
- What is the slew rate of the OPA453FAKTWT?
The slew rate is +23V/µs to -38V/µs.
- What is the input offset voltage of the OPA453FAKTWT?
The input offset voltage is typically ±3mV.
- What are the package options for the OPA453FAKTWT?
The device is available in TO220-7 and DDPAK-7 packages.
- What is the operating junction temperature range for the OPA453FAKTWT?
The operating junction temperature range is -40°C to +125°C.
