OPA336N/3K Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers by Texas Instruments

The OPA336N/3K is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for a wide range 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 OPA336N is typically available in an 8-pin DIP (Dual In-line Package) configuration, which is suitable for through-hole mounting on PCBs.
• Temperature Range: The device operates over an extended temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Electrical Specifications:

• Supply Voltage: The OPA336 can operate on a single supply voltage ranging from 2.7V to 5.5V, or dual supplies of ±1.35V to ±2.75V.
• Input Offset Voltage: It features a low input offset voltage, typically around 50 µV, which enhances its precision in applications requiring accurate signal amplification.
• Input Bias Current: The input bias current is very low, typically around 1 pA, which minimizes the loading effect on the preceding circuit stages.
• Common-Mode Rejection Ratio (CMRR): The CMRR is high, typically around 120 dB, ensuring that the op-amp can effectively reject common-mode signals.
• Power Supply Rejection Ratio (PSRR): The PSRR is also high, typically around 120 dB, which helps maintain performance despite variations in supply voltage.

Performance:

• Gain Bandwidth Product: The OPA336 has a gain bandwidth product of approximately 1 MHz, allowing it to handle a variety of signal frequencies while maintaining stability.
• Slew Rate: The slew rate is around 0.1 V/µs, which is adequate for many low-frequency applications but may limit performance in high-speed scenarios.
• Output Drive Capability: The op-amp can drive loads of up to 600 Ω, making it versatile for different output configurations.

Applications:

The OPA336N/3K is suitable for a variety of applications, including:

• Signal conditioning in sensor applications
• Active filters for audio and other signal processing
• Data acquisition systems
• Medical instrumentation
• Automotive electronics

Additional Features:

• Low Noise: The op-amp is designed to minimize noise, making it ideal for sensitive applications.
• Rail-to-Rail Output: The output stage is designed to provide rail-to-rail output, maximizing the output voltage swing and making it suitable for low-voltage applications.

Conclusion:

The OPA336N/3K from Texas Instruments is a highly versatile and precise operational amplifier that is well-suited for a wide range of applications requiring low noise, low offset voltage, and high performance. Its robust specifications and features make it a popular choice among engineers and designers in various fields.