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OPA551UA/2K5 from TI,Texas Instruments

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OPA551UA/2K5

Manufacturer: TI

High-Voltage, High-Current OPERATIONAL AMPLIFIERS

Partnumber Manufacturer Quantity Availability
OPA551UA/2K5,OPA551UA2K5 TI 424 In Stock

Description and Introduction

High-Voltage, High-Current OPERATIONAL AMPLIFIERS The **OPA551UA/2K5** is a high-performance operational amplifier (op-amp) designed for precision applications requiring high output current and wide bandwidth. Manufactured by Texas Instruments, this device is part of the OPA551 series, known for its robust performance in demanding industrial, medical, and test equipment applications.  

Featuring a **high output current drive of up to 200 mA**, the OPA551UA/2K5 is well-suited for driving low-impedance loads such as motors, transducers, and power supplies. Its **wide supply voltage range (±4V to ±30V)** and **high slew rate (15 V/µs)** ensure fast signal response, making it ideal for dynamic control systems. Additionally, the op-amp offers **low distortion and noise**, enhancing signal integrity in sensitive measurement circuits.  

The device comes in an **8-pin SOIC package**, providing a compact footprint for space-constrained designs. Thermal shutdown and current-limiting features protect the amplifier from overload conditions, improving reliability in harsh environments.  

Engineers often select the OPA551UA/2K5 for applications like **piezoelectric drivers, servo amplifiers, and high-power signal conditioning**, where precision and power efficiency are critical. Its combination of high-speed performance and robust protection mechanisms makes it a versatile choice for advanced electronic systems.

Application Scenarios & Design Considerations

High-Voltage, High-Current OPERATIONAL AMPLIFIERS

Alternative Part Number

  • OPA552UA --: Same OPA55x high-voltage op-amp family with similar 12MHz bandwidth and high output current; pin-compatible SOIC-8 package, though check supply voltage and current limits.
  • LT1498CS8 --: Dual high-voltage, high-output-current op-amp in SOIC-8 that can serve as a functional substitute in many OPA551 applications; verify slew rate and thermal requirements.
  • AD8397ARDZ --: High output current op-amp suitable for driving heavy loads, available in SOIC-8; a viable alternative when OPA551 supply is unavailable, with careful review of voltage range.

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