ON Semiconductor LM258DR2G Dual Operational Amplifier

The LM258DR2G is a precision dual operational amplifier (op-amp) from ON Semiconductor, designed to offer robust performance for a wide range of applications. This op-amp is characterized by its low power consumption, stable operation, and high gain bandwidth product, making it an ideal choice for sensor amplification, active filters, and general-purpose analog signal conditioning.

The device features two independent op-amps in a single package, providing an efficient solution for designs that require multiple amplification stages. The LM258DR2G operates over a wide range of supply voltages, from 3V to 32V or ±1.5V to ±16V for dual-supply applications, accommodating a diverse set of system requirements. This flexibility in power supply makes it suitable for both battery-operated and line-powered devices.

With a typical low input bias current of 45 nA and an input offset voltage of 2 mV, the LM258DR2G ensures high accuracy in signal processing tasks. These characteristics are particularly beneficial in applications where error minimization is critical, such as instrumentation and control systems.

The op-amp's common-mode rejection ratio (CMRR) of 70 dB and a typical open-loop differential voltage amplification of 100 dB highlight its ability to suppress common-mode signals and amplify differential signals with high precision. Additionally, the device boasts a slew rate of 0.6 V/µs, enabling it to respond quickly to changes in the input signal, which is essential for fast analog circuits.

The LM258DR2G is supplied in an 8-pin SOIC package, ensuring compatibility with standard surface-mount technology (SMT) processes. Its compact size and dual-op-amp configuration save valuable board space in dense electronic designs. The device is also characterized by its extended temperature range, operating reliably from -40°C to +105°C, which allows it to be used in harsh environmental conditions.

In summary, the LM258DR2G from ON Semiconductor is a versatile and reliable dual operational amplifier that delivers high performance for a variety of analog applications. Its low power consumption, high accuracy, and stable operation under varying conditions make it a smart choice for designers seeking a dependable and efficient op-amp solution.