ON Semiconductor MC1458 Dual General-Purpose Operational Amplifier

The MC1458, manufactured by ON Semiconductor, is a monolithic dual operational amplifier that has been designed with an intent to offer a perfect balance between performance and cost. This operational amplifier is a classic choice for a myriad of applications ranging from consumer electronics to industrial control systems due to its versatility and reliability.

The MC1458 integrates two independent op-amps in a single package, making it an economical choice for designs where board space is at a premium. Each amplifier exhibits a high gain, typically around 100 dB, which is beneficial for a wide array of audio and signal conditioning applications. The device operates at a voltage range of ±3V to ±18V, providing designers with flexibility in various power supply configurations.

Key Features:

• Wide Power Supply Range: The MC1458 can operate from dual supplies ranging from ±3V to ±18V, or a single supply of up to 36V, accommodating a diverse set of applications.
• Dual Amplifier Design: With two op-amps in one package, it saves space and simplifies design in dual-channel applications.
• High Input Resistance: The input resistance is typically high, which minimizes the current draw from the input source and preserves signal integrity.
• Low Offset Voltage: This operational amplifier features a low input offset voltage, which reduces the need for external calibration and simplifies the design process.
• Short-Circuit Protection: The MC1458 is equipped with internal short-circuit protection, safeguarding the device against immediate damage from output overloads.

Applications for the MC1458 are diverse and include sensor amplifiers, voltage followers, integrators, active filters, and many other analog circuits. Its robust design ensures stable operation for control systems and power regulation modules. Furthermore, the MC1458 is a drop-in replacement for many similar op-amp models, offering designers an easy upgrade path for improving existing designs.

ON Semiconductor's commitment to quality ensures that the MC1458 meets stringent standards, offering both reliability and performance for cost-sensitive designs. Whether you are designing consumer electronics or complex industrial systems, the MC1458 is a solid choice for a dual operational amplifier.