OPA657U/2K5

The OPA657U/2K5 is a high-performance, low-noise, wide-bandwidth operational amplifier specifically designed for high-precision, low-Ohms, AC buffering and general instrumentation applications.

Application Field

The OPA657U/2K5 operates on a single 5-volt or dual ±5-volt power supply and can be used to provide a wide range of buffering and instrumentation applications, such as offset cancellation, gain-setting, voltage and frequency division, current feedback amplifiers, active filters, and high-impedance transducer drivers. It is ideal for use in medical instrumentation and industrial process control systems.

Working Principle

The OPA657U/2K5 utilizes JFET input circuitry to provide high-gain, wide-bandwidth, high-slew-rate operation. Its low noise, low distortion, and low voltage noise performance make it ideal for applications requiring low-level signals such as strain-gauges and front-end modules. In addition, it can be used for RF signal processing, impedance matching, and power series circuits. The OPA657U/2K5 also provides high accuracy AC performance, which makes it well-suited for A/D and D/A conversion applications.

The OPA657U/2K5 also provides a low-power shutdown mode, allowing it to operate over a wide temperature range while reducing power consumption. It also offers excellent isolation characteristics and can be used in applications with high levels of electromagnetic interference (EMI).

Overall, the OPA657U/2K5 is a high-performance operational amplifier, ideal for buffering and instrumentation applications, allowing applications to operate with precision, accuracy, and low-power consumption.