BU7441G-TR

Overview

The BU7441G-TR is a single-channel, low-power ground sense operational amplifier manufactured by ROHM Semiconductor. It operates on a single supply voltage ranging from 1.7 V to 5.5 V with a typical quiescent current of 50 uA per channel. The device features a gain-bandwidth product of 600 kHz and a slew rate of 300 mV/us. It supports input voltages down to the negative rail and provides full output swing. Packaged in an SSOP-5 format, it functions within a temperature range of -40°C to +85°C.

Feature Summary

• Ground sense input capability allowing operation at the negative supply rail
• Full amplitude output swing extending close to both supply rails
• Low power consumption suitable for battery-operated applications
• Integrated phase compensation capacitor eliminating external components

Applications

• Portable consumer electronics requiring low voltage operation
• Battery-powered sensor signal conditioning circuits
• Single-supply analog signal processing systems
• Low-cost audio pre-amplification stages
• Industrial control interfaces operating at reduced voltages

Procurement Notes

Verify the specific suffix and package variant against the official manufacturer datasheet before integration. Ensure the selected component matches the required thermal and electrical specifications for the target environment. Confirm availability status directly with authorized distribution channels to avoid obsolete or non-compliant units.

Selection Notes

Select this component when a single-channel amplifier with ground-referenced input is required under low voltage constraints. Compare performance metrics such as input offset voltage and bias current against alternative devices if higher precision is necessary. Consider the SSOP-5 footprint compatibility during PCB layout design to ensure proper thermal dissipation and mechanical stability.

Part Context

This part belongs to the BU7441G series of CMOS operational amplifiers designed for general-purpose use. It represents a standard-grade solution offering a balance between power efficiency and basic amplification performance. The series is intended for applications where cost-effectiveness and minimal external component count are primary design drivers.

Replacement Considerations

Consult the official manufacturer documentation for confirmed substitute part numbers. Verify pinout compatibility and electrical parameter equivalence before substituting any alternative components. Do not assume interchangeability based solely on package similarity without cross-referencing technical specifications.