Replacement Components to LMV358Q1MMX/NOPB: BU7242SFVM-TR and LMV358M8G-13

Original Part

LMV358Q1MMX/NOPB

Texas Instruments

Standard Amplifier 2 Circuit Rail-to-Rail 8-VSSOP

Alternative Part

BU7242SFVM-TR

Rohm Semiconductor

CMOS Amplifier 2 Circuit Rail-to-Rail 8-MSOP

LMV358M8G-13

Diodes Incorporated

Standard Amplifier 2 Circuit Rail-to-Rail 8-MSOP

1. Substitution Conclusion for BU7242SFVM-TR While the BU7242SFVM-TR offers advantages in certain parameters, significant differences in key performance characteristics make it unsuitable as a direct replacement. Key deviations include: the use of CMOS technology enables an extremely low input bias current (1pA vs. 15nA), making it suitable for high-impedance sensor signal processing. However, its slew rate (0.4V/µs) is only 40% of the original part, and its bandwidth (900kHz) is slightly lower, which may result in insufficient high-frequency response or transient performance. The maximum output current is limited to 12mA (compared to 160mA for the original), severely restricting its drive capability and making it unable to directly drive low-impedance loads. Additionally, while its lower supply voltage extends down to 1.8V, making it suitable for low-voltage applications, it lacks the original part’s AEC-Q100 automotive-grade qualification and is therefore not recommended for automotive electronic environments.

2. Substitution Conclusion for LMV358M8G-13 The LMV358M8G-13 closely matches the original part in most key parameters and can serve as a direct replacement for industrial and consumer-grade applications. Its gain bandwidth product (1MHz), slew rate (1V/µs), input bias current (15nA), and supply voltage range (2.7V–5.5V) are identical to those of the original part, with a slight improvement in quiescent current (190μA per channel). The primary difference lies in its output current capability (90mA vs. 160mA), though this remains sufficient for most medium- to low-load applications. It should be noted that this part does not specify AEC-Q100 qualification, and therefore should not be used in scenarios requiring automotive-grade reliability. For general industrial or consumer electronics applications where load current demand remains within 90mA, it can be substituted seamlessly.

Analysis ID: B377-4EF1000

Based on part parameters and for reference only. Not to be used for procurement or production.