Поставка оригинальных OPA338NA/3K, Линейные - Усилители - Инструментальные, Операционные усилители, Буферные усилители, от Texas Instruments

The OPA338NA/3K 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 instrumentation. 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 with a single supply voltage ranging from 2.7V to 36V, or dual supplies of ±1.35V to ±18V, providing flexibility in various circuit designs.
• Input Offset Voltage: It features a low input offset voltage, typically around 0.1 mV, which is crucial for precision applications where small signal variations need to be accurately amplified.
• Input Bias Current: The input bias current is very low, typically around 10 pA, minimizing the impact on the circuit and allowing for high-impedance sensor interfacing.
• Gain Bandwidth Product: The gain bandwidth product is approximately 1 MHz, allowing for adequate performance in a range of applications, including filtering and amplification of signals.
• Slew Rate: The slew rate is about 0.1 V/µs, which is sufficient for many low-frequency applications but may limit performance in high-speed scenarios.

Performance Features:

• Low Noise: The OPA338 is designed to have low noise characteristics, making it suitable for applications where signal integrity is critical.
• Rail-to-Rail Output: The op-amp features rail-to-rail output capability, allowing it to swing close to the supply rails, which maximizes the output voltage range and improves dynamic range in applications.
• High Common-Mode Rejection Ratio (CMRR): The device exhibits a high CMRR, ensuring that variations in the common-mode voltage do not significantly affect the output, which is essential for differential signal processing.

Applications:

The OPA338 is ideal for a variety of applications, including:

• Signal conditioning in sensor applications
• Data acquisition systems
• Active filters
• Medical instrumentation
• Automotive sensor interfaces
• Precision voltage followers and amplifiers

Conclusion:

The OPA338NA/3K 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 suitable for a broad spectrum of applications, particularly where accuracy and reliability are paramount.