OPA4172IPWR

The OPA4172IPWR 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 OPA4172IPWR comes in a TSSOP (Thin Shrink Small Outline Package) with 14 pins, which allows for a compact design suitable 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 device 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: The OPA4172 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 low, typically around 10 pA, which minimizes the loading effect on the input signal.
• Common-Mode Rejection Ratio (CMRR): The CMRR is high, typically 120 dB, ensuring that variations in the common-mode voltage do not significantly affect the output.
• Power Supply Rejection Ratio (PSRR): The PSRR is also high, typically 120 dB, which helps maintain stable performance despite variations in the supply voltage.

Performance Features:

• Gain Bandwidth Product: The OPA4172 has a gain bandwidth product of 1 MHz, allowing it to handle a variety of frequencies while maintaining stability.
• Slew Rate: The slew rate is approximately 0.1 V/µs, which is adequate for many low-frequency applications.
• Output Drive Capability: The op-amp can drive loads of up to 600 Ω, making it versatile for different output configurations.

Applications:

The OPA4172 is suitable for a variety of applications, including:

• Signal conditioning in sensor applications
• Data acquisition systems
• Active filters
• Medical instrumentation
• Audio processing
• Industrial control systems

Additional Features:

• Rail-to-Rail Output: The output stage is designed to provide rail-to-rail output, allowing the op-amp to utilize the full range of the supply voltage, which is particularly useful in low-voltage applications.
• Low Noise: The device exhibits low noise characteristics, making it ideal for precision applications where signal integrity is critical.

Conclusion:

The OPA4172IPWR from Texas Instruments is a highly versatile and precise operational amplifier that combines low offset voltage, low bias current, and high CMRR, making it an excellent choice for demanding applications in various fields, including industrial, automotive, and medical electronics. Its compact TSSOP package and wide operating temperature range further enhance its usability in diverse environments.