OPA2347UA/2K5

The OPA2347UA/2K5 is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for a variety of applications, including signal conditioning, data acquisition, and active filtering. Here’s a detailed description of its key features and specifications:

General Characteristics:

• Type: Precision Operational Amplifier
• Package: The OPA2347UA is typically available in a small-outline integrated circuit (SOIC) package, which is compact and suitable for space-constrained applications.
• Number of Channels: It is a dual op-amp, meaning it contains two independent, high-gain, frequency-compensated op-amps.

Electrical Specifications:

• Supply Voltage: The device operates on a wide supply voltage range, typically from ±2.5V to ±18V, allowing for flexibility in various circuit designs.
• Input Voltage Range: The input common-mode voltage range extends to the negative supply rail, making it suitable for single-supply applications.
• Output Voltage Swing: The output can swing close to the supply rails, providing a high output voltage swing that is beneficial for driving loads.

Performance Metrics:

• Gain Bandwidth Product: The OPA2347 has a gain bandwidth product of around 1 MHz, which indicates its ability to amplify signals at various frequencies.
• Slew Rate: The slew rate is typically around 0.5 V/µs, which defines how quickly the output can respond to rapid changes in the input signal.
• Input Offset Voltage: It features a low input offset voltage, typically around 50 µV, which is crucial for precision applications where accuracy is paramount.
• Input Bias Current: The input bias current is very low, typically in the range of picoamperes, minimizing the impact on the circuit being measured.

Thermal Characteristics:

• Operating Temperature Range: The OPA2347 is rated for operation over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Applications:

• The OPA2347 is ideal for applications such as:
  • Signal conditioning in sensor interfaces
  • Active filters and amplifiers
  • Data acquisition systems
  • Medical instrumentation
  • Audio processing

Additional Features:

• Low Noise: The op-amp is designed to minimize noise, which is essential for high-fidelity applications.
• Rail-to-Rail Output: This feature allows the op-amp to utilize the full range of the power supply, enhancing its versatility in various configurations.

Conclusion:

The OPA2347UA/2K5 from Texas Instruments is a highly versatile and precise operational amplifier that excels in applications requiring low noise, low offset voltage, and a wide supply range. Its dual-channel configuration and robust performance metrics make it a popular choice among engineers for a variety of electronic designs.