OPA827AIDRG4

The OPA827AIDRG4 is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for high-performance applications requiring 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 OPA827AIDRG4 comes in a small, surface-mount package (SOT-23-5), which is ideal for space-constrained applications.
• Temperature Range: It operates over an extended temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications.

Electrical Specifications:

• Supply Voltage: The op-amp can operate with a dual supply voltage ranging from ±2.5V to ±18V, or a single supply from 5V to 36V.
• Input Offset Voltage: The OPA827 features a low input offset voltage, typically around 50 µV, which is crucial for precision applications.
• Input Bias Current: It has a low input bias current of about 10 pA, minimizing the impact on the circuit it is used in.
• Gain Bandwidth Product: The op-amp has a gain bandwidth product of approximately 10 MHz, allowing it to handle a wide range of frequencies effectively.
• Slew Rate: The slew rate is around 27 V/µs, enabling fast response times for rapidly changing signals.

Performance Features:

• Low Noise: The OPA827 is designed to minimize noise, with a voltage noise density of about 8 nV/√Hz at 1 kHz, making it suitable for sensitive applications such as audio and instrumentation.
• Common-Mode Rejection Ratio (CMRR): It boasts a high CMRR of 120 dB, ensuring that variations in common-mode signals do not affect the output.
• Power Supply Rejection Ratio (PSRR): The PSRR is also high, around 120 dB, which helps maintain stable performance despite fluctuations in supply voltage.

Applications:

The OPA827AIDRG4 is ideal for a variety of applications, including:

• Precision signal conditioning
• Data acquisition systems
• Medical instrumentation
• Audio processing
• Industrial control systems

Additional Features:

• Rail-to-Rail Output: The op-amp provides rail-to-rail output swing, allowing it to utilize the full range of the supply voltage, which is beneficial in low-voltage applications.
• Low Total Harmonic Distortion (THD): It exhibits low THD, making it suitable for high-fidelity audio applications.

Conclusion:

The OPA827AIDRG4 from Texas Instruments is a versatile and high-performance operational amplifier that excels in precision applications. Its combination of low noise, high bandwidth, and robust performance characteristics makes it a popular choice among engineers for a wide range of electronic designs.