OPA835IRUNR

The OPA835IRUNR is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for high-performance applications, offering a combination of low noise, low distortion, and high bandwidth. Here’s a detailed description of its key features and specifications:

General Characteristics:

• Type: Precision Operational Amplifier
• Package: The OPA835IRUNR comes in a small, compact 8-pin VSSOP (Very Thin Shrink Small Outline Package) which is ideal for space-constrained applications.
• Temperature Range: It 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 op-amp can operate with 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 0.5 mV, which is crucial for precision applications.
• Input Bias Current: The input bias current is very low, typically around 1 pA, minimizing the impact on the circuit performance.
• Gain Bandwidth Product: The OPA835 has a high gain bandwidth product of approximately 10 MHz, allowing it to handle a wide range of frequencies effectively.
• Slew Rate: It boasts a fast slew rate of about 6 V/µs, enabling it to respond quickly to rapid changes in input signals.

Performance Features:

• Low Noise: The op-amp is designed to minimize noise, with a low voltage noise density of around 10 nV/√Hz, making it suitable for sensitive applications such as audio and instrumentation.
• High Output Drive: The OPA835 can drive loads of up to 600 Ω, providing sufficient output current for various applications without significant distortion.
• Rail-to-Rail Output: It features rail-to-rail output capability, allowing the output voltage to swing very close to the supply rails, maximizing the dynamic range of the signal.

Applications:

The OPA835IRUNR is ideal for a variety of applications, including:

• Signal conditioning
• Data acquisition systems
• Audio processing
• Medical instrumentation
• Industrial control systems

Additional Features:

• Low Power Consumption: The device is designed for low power operation, consuming only about 1.5 mA of supply current, which is beneficial for battery-powered applications.
• Protection Features: It includes internal protection against over-voltage and thermal overload, enhancing reliability in demanding environments.

Conclusion:

The OPA835IRUNR from Texas Instruments is a versatile and high-performance operational amplifier that excels in precision applications requiring low noise, low distortion, and high speed. Its compact package, wide supply voltage range, and robust performance characteristics make it a popular choice among engineers for a variety of electronic designs.