STMicroelectronics

LM258AWYST  

OP Amps, Buffer Amps ICs

LM258AWYST Description

The LM258AWYST is a general-purpose operational amplifier designed by STMicroelectronics, tailored for automotive applications. This dual-channel op-amp is housed in an 8-pin mini-SO package, ensuring compactness and reliability for surface-mount applications. The LM258AWYST boasts a wide supply voltage range from 3 V to 30 V, making it suitable for various power supply configurations. With a gain bandwidth product of 1.1 MHz and a slew rate of 0.6 V/µs, it offers balanced performance for general-purpose amplification tasks. The device is characterized by low input bias current (20 nA) and low input offset voltage (1 mV), ensuring high accuracy and stability in signal processing. Each channel can deliver up to 40 mA of output current, supporting robust load driving capabilities. The LM258AWYST is REACH unaffected and ROHS3 compliant, adhering to stringent environmental regulations. Its moisture sensitivity level (MSL) is rated at 1 (unlimited), ensuring durability in diverse environmental conditions. Despite being marked as obsolete, the LM258AWYST remains a reliable choice for legacy systems and specific applications where its unique attributes are advantageous.

LM258AWYST Features

• Wide Supply Voltage Range: Operates reliably from 3 V to 30 V, accommodating a broad spectrum of power supply requirements.
• High Gain Bandwidth Product: Achieves a gain bandwidth product of 1.1 MHz, facilitating high-frequency signal processing with minimal distortion.
• Low Input Bias Current: Features an input bias current of just 20 nA, minimizing the impact of bias currents on signal integrity.
• Low Input Offset Voltage: Maintains an input offset voltage of 1 mV, ensuring precise amplification and minimal error in signal processing.
• Robust Output Current: Each channel can source or sink up to 40 mA, supporting high-current loads and ensuring reliable operation in demanding applications.
• Dual-Channel Design: Incorporates two independent operational amplifier channels, allowing for versatile and efficient circuit design.
• Surface-Mount Compatibility: Utilizes an 8-pin mini-SO package, optimized for surface-mount technology (SMT) and suitable for automated assembly processes.
• Environmental Compliance: Complies with REACH and ROHS3 standards, ensuring environmental sustainability and regulatory adherence.
• Durability: MSL 1 (unlimited) rating ensures the device remains durable and reliable in various environmental conditions.

LM258AWYST Applications

The LM258AWYST is well-suited for a variety of automotive and industrial applications where general-purpose amplification is required. Its wide supply voltage range and robust performance make it ideal for:

• Automotive Electronics: Utilized in automotive control systems, sensor interfaces, and signal conditioning circuits where reliability and precision are paramount.
• Industrial Control Systems: Employed in industrial automation, motor control, and process control applications where high-current output and low offset voltage are essential.
• Signal Processing: Used in analog signal processing circuits, including filters, amplifiers, and voltage regulators, where high accuracy and low noise are critical.
• Legacy System Upgrades: Ideal for upgrading or maintaining legacy systems where the LM258AWYST's specific attributes align with existing design requirements.

Conclusion of LM258AWYST

The LM258AWYST, despite its obsolete status, remains a viable option for applications requiring a general-purpose operational amplifier with robust performance characteristics. Its wide supply voltage range, low input bias current, and low input offset voltage make it a reliable choice for precision signal processing. The dual-channel design and high output current capability further enhance its versatility, making it suitable for a range of automotive and industrial applications. For designers seeking a reliable, environmentally compliant, and durable op-amp, the LM258AWYST offers a compelling solution, especially in legacy systems or specific applications where its unique features provide a distinct advantage.

LM258AWYST Documents

Download datasheets and manufacturer documentation for LM258AWYST

Datasheets :

LMx58(A)W      

HTML Datasheet :

LMx58(A)W