OPA187IDBVR

The OPA187IDBVR 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 OPA187IDBVR comes in a small, surface-mount package known as the VSSOP (Very Thin Shrink Small Outline Package), which is ideal for space-constrained applications.
• Pin Count: It typically has 8 pins, allowing for easy integration into various circuit designs.

Electrical Specifications:

• Supply Voltage: The OPA187 operates with a dual supply voltage ranging from ±2.5V to ±18V, or a single supply voltage from 5V to 36V, providing flexibility for different circuit configurations.
• Input Offset Voltage: It features a low input offset voltage, typically around 50 µV, 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 being measured.
• Common-Mode Rejection Ratio (CMRR): The CMRR is high, typically around 120 dB, ensuring that the op-amp can effectively reject common-mode signals and focus on the differential input.
• Power Supply Rejection Ratio (PSRR): The PSRR is also high, typically around 120 dB, which helps maintain stable performance despite variations in the supply voltage.

Performance Features:

• Gain Bandwidth Product: The OPA187 has a gain bandwidth product of approximately 1 MHz, making it suitable for a variety of applications that require moderate frequency response.
• 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 requirements.

Applications:

The OPA187 is well-suited for applications such as:

• Precision data acquisition systems
• Medical instrumentation
• Industrial process control
• High-accuracy signal conditioning
• Active filters and amplifiers

Thermal Characteristics:

• Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for both commercial and industrial applications.
• Thermal Resistance: The thermal resistance of the package is designed to ensure efficient heat dissipation, contributing to the reliability of the device in various operating conditions.

Conclusion:

The OPA187IDBVR from Texas Instruments is a high-performance, precision operational amplifier that combines low offset voltage, low bias current, and high CMRR, making it an excellent choice for applications requiring accurate signal amplification and conditioning. Its compact VSSOP package and wide supply voltage range further enhance its versatility in modern electronic designs.