STMicroelectronics

MC1458ID

MC1458ID Description

The MC1458ID from STMicroelectronics is a general-purpose dual operational amplifier housed in an 8-SOIC package. Designed for versatility, it operates over a wide supply voltage range of 5V to 30V, making it suitable for both low and high-voltage applications. With a gain bandwidth product of 1 MHz and a slew rate of 0.8V/µs, it delivers stable performance in signal conditioning, filtering, and amplification tasks. The device features low input bias current (30 nA) and moderate input offset voltage (1 mV), ensuring precision in DC-coupled circuits. Though marked as obsolete, it remains a reliable choice for legacy designs due to its robust performance and ROHS3 compliance.

MC1458ID Features

• Dual Op-Amp Configuration: Integrates two independent amplifiers in a single package, saving board space.
• Wide Supply Range: Supports 5V to 30V, accommodating diverse power requirements.
• Low Power Consumption: 2.3mA supply current per amplifier balances performance and efficiency.
• High Output Drive: 25mA output current enables direct driving of moderate loads.
• Stable Performance: 1 MHz bandwidth and 0.8V/µs slew rate suit medium-speed analog applications.
• Robust Packaging: 8-SOIC surface-mount package ensures compatibility with modern assembly processes.

MC1458ID Applications

• Signal Conditioning: Ideal for amplifying sensor outputs in industrial control systems.
• Active Filters: Used in audio and communication systems for bandpass/low-pass filtering.
• Voltage Followers: Provides impedance matching in test and measurement equipment.
• Legacy Systems: Maintains functionality in older designs requiring ±15V supplies.
• General-Purpose Amplification: Suitable for educational kits, prototyping, and low-frequency analog circuits.

Conclusion of MC1458ID

The MC1458ID is a versatile, dual-channel op-amp offering a balance of speed, precision, and power efficiency. While obsolete, its wide voltage range, moderate bandwidth, and ease of use make it a practical choice for legacy upgrades or cost-sensitive designs. Engineers value its reliability in industrial, audio, and instrumentation applications, though newer alternatives may offer improved specifications for high-performance needs. Its ROHS3 compliance ensures adherence to environmental standards, reinforcing its suitability for sustainable electronics.