BU7442SNUX-TR

Overview

The BU7442SNUX-TR is a dual general-purpose operational amplifier manufactured by ROHM Semiconductor. It operates within a supply voltage range of 5.5V or +/-2.75V. The device features low power consumption and ground-sense input capabilities, allowing the input voltage to extend down to the negative supply rail. It is designed for applications requiring efficient signal processing in low-voltage environments. The component is housed in a compact surface-mount package suitable for automated assembly processes.

Feature Summary

• Dual channel operational amplifier architecture
• Ground sense input capability extending to negative rail
• Low power consumption design for battery efficiency
• Full amplitude output swing characteristics

Applications

• Portable consumer electronics with limited power budgets
• Battery-powered sensor signal conditioning circuits
• Low voltage audio pre-amplification stages
• Industrial control systems requiring single-supply operation

Procurement Notes

Verify the specific suffix designation against the official manufacturer datasheet to ensure correct packaging and temperature grade. Confirm that the sourcing channel provides authentic components with traceable documentation. Check for any obsolescence notices or lifecycle status updates directly from ROHM Semiconductor before finalizing procurement plans.

Selection Notes

Select this component when a dual op-amp solution is required with ground-referenced input flexibility. Ensure the application voltage does not exceed the maximum rated supply limits. Consider the package size constraints and thermal requirements relative to the expected operating environment and load conditions.

Part Context

This part belongs to the BU7442 series of low-power operational amplifiers. The series is characterized by CMOS technology offering high input impedance and low bias current. It serves as a versatile building block for analog signal processing tasks where power efficiency and wide common-mode input range are critical design parameters.

Replacement Considerations

Consult the official ROHM Semiconductor replacement guide for verified substitute part numbers. Ensure any alternative component matches the pinout configuration and electrical specifications exactly. Verify compatibility with existing board layouts and thermal management strategies before implementation.