Overview
The OPA551UA/2K5 is a high-performance operational amplifier designed by Texas Instruments (TI). This device is part of the OPA55x series, known for its high-voltage and high-current capabilities. The OPA551UA/2K5 is unity-gain stable and features a wide supply range, high output current, low noise, and robust protection mechanisms, making it suitable for a variety of applications requiring precision and reliability.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Total Supply Voltage | ±4 to ±30 | V |
| Output Current (Continuous) | 200 | mA |
| Input Voltage Noise Density | 14 | nV/√Hz |
| Slew Rate | 15 | V/µs |
| Bandwidth | 3 | MHz |
| Input Offset Voltage | ±3 (typ), ±5 (max) | mV |
| Input Bias Current | ±20 (typ), ±100 (max) | pA |
| Operating Temperature Range | –40 to +125 | °C |
| Package Types | DIP-8, SO-8, DDPAK-7 |
Key Features
- Wide Supply Range: ±4V to ±30V, allowing for adaptability in various power supply conditions.
- High Output Current: Continuous 200mA, suitable for applications requiring significant current drive.
- Low Noise Performance: 14 nV/√Hz, ensuring minimal noise in the output signal.
- Protection Features: Thermal shutdown, output current limiting, and a thermal shutdown indicator for enhanced reliability.
- Fast Slew Rate: 15 V/µs, enabling rapid response to input changes.
- Wide Bandwidth: 3 MHz, supporting a broad range of frequencies.
- Robust ESD Protection: ±15kV HBM, protecting the device from electrostatic discharge.
Applications
- Telephony: Suitable for telecommunication equipment due to its high performance and reliability.
- Test Equipment: Ideal for test and measurement applications requiring precision and low distortion.
- Audio Amplifiers: Used in audio systems where high output current and low noise are critical.
- Transducer Excitation: Applicable in transducer excitation circuits due to its high output current capability.
- Servo Drivers: Suitable for servo control systems requiring high precision and reliability.
- Medical Instruments: Used in medical devices where precision, low noise, and robust protection are essential.
- Industrial Controls: Applied in industrial control systems that require high performance and reliability.
Q & A
- What is the maximum output current of the OPA551UA/2K5?
The maximum continuous output current is 200 mA.
- What is the slew rate of the OPA551UA/2K5?
The slew rate is 15 V/µs.
- What is the bandwidth of the OPA551UA/2K5?
The bandwidth is 3 MHz.
- What are the package types available for the OPA551UA/2K5?
The device is available in DIP-8, SO-8, and DDPAK-7 packages.
- What is the operating temperature range of the OPA551UA/2K5?
The operating temperature range is –40°C to +125°C.
- Does the OPA551UA/2K5 have thermal shutdown protection?
Yes, it has thermal shutdown protection and an indicator for thermal shutdown.
- What is the input voltage noise density of the OPA551UA/2K5?
The input voltage noise density is 14 nV/√Hz.
- Is the OPA551UA/2K5 suitable for audio applications?
Yes, it is suitable for audio applications due to its high output current and low noise performance.
- What is the maximum supply voltage for the OPA551UA/2K5?
The maximum supply voltage is ±30V.
- Does the OPA551UA/2K5 have ESD protection?
Yes, it has robust ESD protection with a rating of ±15kV HBM.
