LM258YDT

Overview

The LM258YDT is an automotive-grade, low-power dual operational amplifier manufactured by STMicroelectronics. It features two independent, internally frequency-compensated op-amps designed for single power supply operation ranging from 3 V to 30 V. The device provides a large DC voltage gain of 100 dB and a unity-gain bandwidth of 1.1 MHz. Key electrical characteristics include a typical input bias current of 20 nA, an input offset voltage of 2 mV, and a supply current of approximately 700 µA per channel. It operates within a temperature range of -40°C to +105°C and is housed in an SO-8 surface-mount package.

Feature Summary

• Automotive grade qualification compliant with AEC-Q100 standards
• Internally frequency compensated for stable single-supply applications
• Rail-to-rail output capability allowing voltage swing down to ground
• Low power consumption with supply current essentially independent of voltage

Applications

• Transducer amplifiers
• DC gain blocks
• Single-supply logic system interface electronics

Procurement Notes

Verify the specific 'Y' suffix indicates automotive grade qualification according to AEC-Q100 standards. Confirm the SO-8 tape and reel packaging matches production requirements. Ensure the operating temperature range of -40°C to +105°C aligns with the target application environment. Cross-reference the datasheet revision history for any updates to absolute maximum ratings or electrical characteristics.

Selection Notes

Select this component when automotive reliability and single-supply operation are required. It serves as a direct replacement for standard LM258 devices where extended temperature ranges and automotive screening are necessary. Consider the 1.1 MHz bandwidth and 600 mV/µs slew rate for signal conditioning tasks. Verify that the 40 mA output drive capability meets load requirements.

Part Context

This part belongs to the LM158/LM258/LM358 family of low-power dual operational amplifiers. The 'Y' designation specifically denotes the automotive grade variant characterized according to AEC-Q100. It shares the same internal schematic and pinout as the commercial LM258 but undergoes advanced screening and stricter manufacturing controls to ensure robustness in automotive environments.

Replacement Considerations

LM258DT (Commercial Grade)

FAQ

What does the 'Y' suffix indicate for the LM258YDT?

The 'Y' suffix designates the automotive grade version of the LM258, which is qualified and characterized according to AEC-Q100 standards.

Can the LM258YDT operate from a single power supply?

Yes, it is specifically designed to operate from a single power supply over a wide voltage range of 3 V to 30 V.