OPA338NA/250

The OPA338NA/250 is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for a variety of applications requiring high performance, low power consumption, and precision signal processing. Here’s a detailed description of its key features and specifications:

General Characteristics:

• Type: Precision Operational Amplifier
• Package: The OPA338 is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for surface-mount applications.
• Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Electrical Specifications:

• Supply Voltage: The OPA338 can operate on a single supply voltage ranging from 2.7V to 5.5V, or dual supply voltages of ±1.35V to ±2.75V.
• Input Offset Voltage: It features a low input offset voltage, typically around 0.1 mV, which enhances its precision in applications requiring accurate signal amplification.
• Input Bias Current: The input bias current is very low, typically around 10 pA, which is beneficial for high-impedance sensor applications.
• Gain Bandwidth Product: The gain bandwidth product is approximately 1 MHz, allowing for sufficient bandwidth in many signal processing applications.
• Slew Rate: The slew rate is about 0.1 V/µs, which is adequate for many low-frequency applications.

Performance Features:

• Low Noise: The OPA338 is designed to minimize noise, making it suitable for sensitive applications such as audio processing and instrumentation.
• Rail-to-Rail Output: The output stage is designed to provide rail-to-rail output, allowing the op-amp to swing close to the supply rails, maximizing the output voltage range.
• High Common-Mode Rejection Ratio (CMRR): The device exhibits a high CMRR, typically around 100 dB, which ensures that variations in the supply voltage do not significantly affect the output.
• Low Total Harmonic Distortion (THD): The OPA338 has low THD, making it ideal for high-fidelity audio applications.

Applications:

The OPA338 is suitable for a wide range of applications, including:

• Signal conditioning
• Data acquisition systems
• Medical instrumentation
• Audio processing
• Active filters
• Transducer interfacing

Conclusion:

The OPA338NA/250 from Texas Instruments is a versatile and high-performance operational amplifier that combines precision, low power consumption, and a wide operating range. Its features make it an excellent choice for various applications in both consumer and industrial electronics.