STMicroelectronics

LM258AST  

OP Amps, Buffer Amps ICs

LM258AST Description

The LM258AST is a high-performance, dual-channel operational amplifier (op-amp) designed and manufactured by STMicroelectronics. It is part of the OP Amps, Buffer Amps ICs category and is specifically tailored for automotive applications. The LM258AST offers a wide voltage supply span, ranging from 3V to 30V, making it suitable for various power supply requirements. With a gain bandwidth product of 1.1 MHz and a slew rate of 0.6V/µs, the LM258AST delivers excellent performance in high-speed applications.

LM258AST Features

• Voltage Supply Span: The LM258AST operates over a wide voltage range of 3V to 30V, providing flexibility in power supply design.
• Gain Bandwidth Product: With a gain bandwidth product of 1.1 MHz, the LM258AST is capable of handling high-speed signals with ease.
• Slew Rate: A slew rate of 0.6V/µs ensures that the LM258AST can quickly respond to changes in input signals, making it ideal for fast-acting applications.
• Input Bias Current: The LM258AST has an ultra-low input bias current of 20 nA, which minimizes the loading effect on the input signal source.
• Supply Current: The LM258AST consumes only 700µA for both channels, making it energy-efficient and suitable for battery-powered applications.
• Output Current: Each channel can deliver up to 40 mA, providing ample drive capability for various loads.
• Input Offset Voltage: The LM258AST has a low input offset voltage of 1 mV, ensuring high accuracy in signal amplification.
• Mounting Type: The LM258AST is available in a surface-mount package, which is ideal for space-constrained applications.
• REACH Status: The LM258AST is REACH unaffected, indicating that it does not contain any substances of very high concern (SVHCs) regulated by the European Chemicals Agency.
• RoHS Compliance: The LM258AST is compliant with the RoHS3 directive, which restricts the use of hazardous substances in electronic products.

LM258AST Applications

The LM258AST is an ideal choice for a wide range of applications due to its high performance, low power consumption, and automotive-grade reliability. Some specific use cases include:

1. Automotive Sensors: The LM258AST's low input bias current and low noise make it suitable for amplifying signals from automotive sensors, such as pressure, temperature, and position sensors.
2. Audio Amplification: The LM258AST's high slew rate and low distortion make it an excellent choice for audio preamplifiers and line drivers in automotive infotainment systems.
3. Data Acquisition: The LM258AST's wide supply voltage range and low input offset voltage make it suitable for amplifying signals in data acquisition systems, such as strain gauges and accelerometers.
4. Industrial Control: The LM258AST's high gain bandwidth product and low noise make it ideal for use in industrial control systems, such as motor drives and process control loops.

Conclusion of LM258AST

The LM258AST is a versatile, high-performance operational amplifier that offers a wide range of features and benefits for automotive and industrial applications. Its low power consumption, wide supply voltage range, and automotive-grade reliability make it an excellent choice for demanding applications where performance and reliability are critical. With its unique combination of features, the LM258AST stands out as a superior option compared to similar models in the market.

LM258AST Documents

Download datasheets and manufacturer documentation for LM258AST

Datasheets :

LM158,258,358 Datasheet      

PCN Packaging :

Box Label Chg 28/Jul/2016      

Other Related Documents :

LM258 View All Specifications      

HTML Datasheet :

LM158,258,358 Datasheet