OPA2187IDGKR

The OPA2187IDGKR 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 instrumentation. Here’s a detailed description of its key features and specifications:

General Characteristics:

• Type: Precision Operational Amplifier
• Package: The OPA2187 is available in a small, surface-mount package (SOT-23-5), which makes it suitable 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 OPA2187 can operate with a dual supply voltage ranging from ±2.5V to ±18V, or a single supply voltage from 5V to 36V.
• Input Offset Voltage: It features a low input offset voltage, typically around 50 µV, which is crucial for precision applications.
• Input Bias Current: The input bias current is very low, typically around 0.1 nA, minimizing errors in high-impedance applications.
• Common-Mode Rejection Ratio (CMRR): The CMRR is high, typically around 120 dB, ensuring that variations in the input common-mode voltage have minimal effect on the output.
• Power Supply Rejection Ratio (PSRR): The PSRR is also high, typically around 120 dB, which helps maintain stable performance despite variations in supply voltage.

Performance Features:

• Gain Bandwidth Product: The OPA2187 has a gain bandwidth product of approximately 1 MHz, allowing it to handle a variety of signal frequencies.
• Slew Rate: The slew rate is around 0.1 V/µs, which is adequate for many low-frequency applications.
• Output Drive Capability: It can drive loads of up to 600 Ω, making it versatile for different circuit configurations.

Applications:

The OPA2187 is suitable for a variety of applications, including:

• Precision signal amplification
• Data acquisition systems
• Medical instrumentation
• Industrial process control
• Automotive sensor interfaces

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 improving dynamic range.
• Single-Supply Operation: It can operate on a single supply, which simplifies circuit design and reduces component count.

Conclusion:

The OPA2187IDGKR from Texas Instruments is a highly versatile and precise operational amplifier that excels in applications requiring low offset voltage, low bias current, and high CMRR. Its robust performance across a wide temperature range and supply voltage makes it a reliable choice for engineers looking to design high-performance analog circuits.