Overview
The OPA551UA is a high-voltage, high-current operational amplifier produced by Texas Instruments. This device is part of the OPA551 series, known for its low-cost, high-performance capabilities. The OPA551UA is unity-gain stable and features a high slew rate of 15 V/µs and a wide bandwidth of 3 MHz. It is designed to operate over an extended industrial temperature range of -40°C to +125°C, making it suitable for a variety of applications including telephony, audio, servo, and test equipment.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Units |
|---|---|---|---|---|
| Supply Voltage Range | ±4 V to ±30 V | ±4 V | ±30 V | V |
| Output Current | 200 mA | - | 380 mA | mA |
| Slew Rate | 15 V/µs | - | - | V/µs |
| Bandwidth | 3 MHz | - | - | MHz |
| Input Offset Voltage | ±3 mV | ±1 mV | ±5 mV | mV |
| Input Bias Current | ±100 pA | ±20 pA | ±100 pA | pA |
| Operating Temperature Range | -40°C to +125°C | -40°C | +125°C | °C |
| Package Type | SOIC-8, PDIP-8, DDPAK-7 | - | - | - |
Key Features
- Wide Supply Range: ±4 V to ±30 V.
- High Output Current: 200 mA continuous, with a maximum of 380 mA.
- Low Noise: 14 nV/√Hz.
- Fully Protected: Thermal shutdown, output current-limited, and thermal shutdown indicator.
- Wide Output Swing: 2 V from rail.
- Fast Slew Rate: 15 V/µs.
- Wide Bandwidth: 3 MHz.
- Internal Protection: Against overtemperature conditions and current overloads.
Applications
- Telephony: Suitable for various telephony applications due to its high performance and stability.
- Audio Amplifiers: Ideal for audio applications requiring high output current and low noise.
- Servo Drivers: Used in servo systems that demand high current and precision control.
- Test Equipment: Applicable in test and measurement equipment where high accuracy and stability are crucial.
- Transducer Excitation: Suitable for exciting transducers in various industrial and scientific applications.
Q & A
- What is the typical output current of the OPA551UA?
The typical output current of the OPA551UA is 200 mA, with a maximum of 380 mA.
- What is the slew rate of the OPA551UA?
The slew rate of the OPA551UA is 15 V/µs.
- What is the bandwidth of the OPA551UA?
The bandwidth of the OPA551UA is 3 MHz.
- What is the operating temperature range of the OPA551UA?
The operating temperature range of the OPA551UA is -40°C to +125°C.
- What types of packages are available for the OPA551UA?
The OPA551UA is available in SOIC-8, PDIP-8, and DDPAK-7 packages.
- Does the OPA551UA have internal protection features?
- What is the input offset voltage of the OPA551UA?
The input offset voltage of the OPA551UA is typically ±3 mV, with a maximum of ±5 mV.
- Is the OPA551UA RoHS compliant?
- What are some common applications of the OPA551UA?
- What is the quiescent current of the OPA551UA?
