Overview
The OPA551UAG4 is a high-performance operational amplifier produced by Texas Instruments. This device is part of the OPA551 series, known for its high-voltage and high-current capabilities. The OPA551 is unity-gain stable, making it suitable for a wide range of applications including telephony, audio amplifiers, servo drivers, and test equipment. It features a wide supply range, high output current, low noise, and comprehensive protection mechanisms such as thermal shutdown and output current limiting.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage Range | ±4 V | ±30 V | V | ||
| Output Current | Continuous | 200 mA | mA | ||
| Input Offset Voltage | VCM = 0V, IO = 0 | ±1 mV | ±3 mV | ±5 mV | mV |
| Input Bias Current | ±20 pA | ±100 pA | pA | ||
| Input Voltage Noise Density | f = 1 kHz | 14 nV/√Hz | nV/√Hz | ||
| Slew Rate | 15 V/µs | V/µs | |||
| Bandwidth | 3 MHz | MHz | |||
| Operating Temperature Range | -40°C | 125°C | °C | ||
| Package Types | PDIP-8, SOIC-8, DDPAK-7 |
Key Features
- Wide Supply Range: ±4 V to ±30 V
- High Output Current: 200 mA Continuous
- Low Noise: 14 nV/√Hz
- Fully Protected:
- Thermal Shutdown
- Output Current-Limited
- Thermal Shutdown Indicator
- Wide Output Swing: 2 V from Rail
- Fast Slew Rate: 15 V/µs
- Wide Bandwidth: 3 MHz
Applications
- Telephony
- Test Equipment
- Audio Amplifiers
- Transducer Excitation
- Servo Drivers
Q & A
- What is the supply voltage range of the OPA551?
The supply voltage range of the OPA551 is ±4 V to ±30 V.
- What is the maximum continuous output current of the OPA551?
The maximum continuous output current of the OPA551 is 200 mA.
- What is the input voltage noise density of the OPA551?
The input voltage noise density of the OPA551 is 14 nV/√Hz at 1 kHz.
- Does the OPA551 have thermal protection?
Yes, the OPA551 has thermal shutdown and output current limiting for protection.
- What are the available package types for the OPA551?
The OPA551 is available in PDIP-8, SOIC-8, and DDPAK-7 packages.
- What is the slew rate of the OPA551?
The slew rate of the OPA551 is 15 V/µs.
- What is the bandwidth of the OPA551?
The bandwidth of the OPA551 is 3 MHz.
- What is the operating temperature range of the OPA551?
The operating temperature range of the OPA551 is -40°C to 125°C.
- Is the OPA551 suitable for audio applications?
Yes, the OPA551 is suitable for audio applications due to its high performance and low noise characteristics.
- Does the OPA551 have a thermal shutdown indicator?
Yes, the OPA551 has a thermal shutdown indicator that provides a current output to alert the user when thermal shutdown occurs.
