Texas Instruments

OPA137U

OPA137U Description

The OPA137U is a high-performance operational amplifier from Texas Instruments, part of the MicroAmplifier™ series. This IC is designed to provide exceptional performance in a wide range of applications. It features a supply voltage range from 4.5 V to 36 V, making it suitable for both low-voltage and high-voltage systems. The OPA137U boasts a gain bandwidth product of 1 MHz and a slew rate of 3.5 V/µs, ensuring fast and accurate signal processing. With an input bias current of just 5 pA and an input offset voltage of 1.5 mV, this op-amp offers high precision and stability. The device is available in a surface-mount package, specifically an 8SOIC tube, and is RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 and HTSUS 8542.33.0001. The OPA137U is currently in a "Last Time Buy" status, indicating that it is a mature product with limited availability.

OPA137U Features

• Wide Supply Voltage Range: Operates from 4.5 V to 36 V, providing flexibility for various power supply configurations.
• High Gain Bandwidth Product: A 1 MHz gain bandwidth product ensures high-frequency performance, making it suitable for applications requiring wide bandwidth.
• Low Input Bias Current: With an input bias current of only 5 pA, the OPA137U minimizes errors in high-impedance circuits, enhancing precision.
• Low Input Offset Voltage: An input offset voltage of 1.5 mV ensures accurate signal processing, reducing the need for calibration.
• High Slew Rate: A slew rate of 3.5 V/µs allows for fast response times, ideal for applications requiring rapid signal transitions.
• Low Supply Current: Consumes only 220 µA of supply current, making it energy-efficient and suitable for low-power applications.
• High Output Current: Capable of delivering up to 60 mA per channel, providing robust performance for driving various loads.
• Surface-Mount Package: The 8SOIC package is ideal for compact designs and automated assembly processes.
• Compliance and Safety: RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.
• Moisture Sensitivity Level: MSL 3 (168 hours), suitable for standard manufacturing processes without requiring special handling.

OPA137U Applications

The OPA137U is ideal for a variety of applications where precision and performance are critical. Some specific use cases include:

• Precision Signal Conditioning: Ideal for applications requiring high-precision signal processing, such as in medical equipment, test and measurement devices, and industrial control systems.
• High-Impedance Sensors: Suitable for interfacing with high-impedance sensors, such as photodetectors and strain gauges, due to its low input bias current.
• Analog Signal Processing: Its wide bandwidth and high slew rate make it suitable for analog signal processing in communication systems and audio applications.
• Power Management: The low supply current and high output current capabilities make it suitable for power management applications where efficiency and performance are paramount.
• General-Purpose Amplification: Its versatile performance characteristics make it a reliable choice for general-purpose amplification tasks across various industries.

Conclusion of OPA137U

The OPA137U from Texas Instruments is a versatile and high-performance operational amplifier that offers a combination of wide supply voltage range, high gain bandwidth, low input bias current, and low input offset voltage. Its unique features, such as low supply current and high output current, make it an excellent choice for a variety of applications, from precision signal conditioning to power management. The OPA137U's compliance with industry standards and its surface-mount package further enhance its suitability for modern electronic designs. While it is currently in a "Last Time Buy" status, the OPA137U remains a reliable and high-performing option for engineers and designers seeking a robust operational amplifier solution.