OP297FPZ

The OP297FPZ is a dual low bias current precision operational amplifier offered by Analog Devices Inc. (ADI). This device is known for its high precision, low power consumption, and extremely low input bias current characteristics, making it suitable for a wide range of applications.

Key Features:

1. Precision Performance:

   • The OP297FPZ features a low offset voltage of 300 µV (maximum), ensuring high accuracy in analog signal processing.
   • Its low drift of 0.6 µV/°C (maximum) helps maintain stability over temperature variations.

2. Low Power Consumption:

   • Each amplifier in the OP297FPZ consumes low power, with a maximum power supply current of 1.25 mA per amplifier.
   • The device operates over a wide power supply range of ±2 V to ±20 V, allowing flexibility in power source selection.

3. Low Input Bias Current:

   • The OP297FPZ boasts an extremely low input bias current of 35 pA (maximum), which is critical for applications requiring high impedance inputs.
   • This low bias current is maintained over a wide temperature range, ensuring consistent performance in various environments.

4. Package and Compatibility:

   • The OP297FPZ is available in a PDIP-8 (Plastic Dual In-line Package) package, providing a compact and reliable footprint for circuit board integration.
   • It is compatible with various other ADI operational amplifiers and can be used as a drop-in replacement in many applications.

5. Operational Parameters:

   • The device has a gain bandwidth product of 0.5 MHz, suitable for many general-purpose analog applications.
   • It offers a high common-mode rejection ratio (CMRR) of 135 dB, minimizing errors caused by common-mode signals.
   • The power supply rejection ratio (PSRR) is 114 dB, reducing the impact of power supply variations on the output signal.

Applications:

The OP297FPZ’s combination of precision, low power consumption, and low input bias current makes it ideal for various applications, including:

• Instrumentation amplifiers
• Logarithmic amplifiers
• Photodiode preamplifiers
• Long-term integrators
• And other precision analog circuits requiring high accuracy and stability

In summary, the OP297FPZ is a versatile and reliable operational amplifier suitable for a wide range of precision analog applications. Its compact package, low power consumption, and high precision make it an excellent choice for many designs.