BU7444SF-E2

Overview

The BU7444SF-E2 is a low power ground sense operational amplifier manufactured by ROHM Semiconductor. This single-channel CMOS IC integrates phase compensation capacitors and supports supply voltages from 1.7 V to 5.5 V. It features ground-sense inputs and full-swing outputs, with a typical channel current of 0.05 mA. The device operates within a temperature range of -40°C to +105°C and is housed in an SOP14 package.

Feature Summary

• Ground sense input capability allowing operation down to the negative supply rail
• Full output swing extending close to both positive and negative supply rails
• Ultra-low power consumption suitable for battery-operated applications
• Wide operating temperature range for industrial environments

Applications

• Portable battery-powered instrumentation
• Low voltage signal conditioning circuits
• Industrial sensor interfaces requiring ground reference
• Consumer electronics with strict power constraints

Procurement Notes

Verify the specific suffix E2 for tape and reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the SOP14 footprint matches the target PCB layout requirements exactly.

Selection Notes

Select this component when ground-referenced input signals are required alongside maximum output voltage utilization. The low quiescent current makes it ideal for energy-efficient designs. Compare gain bandwidth and slew rate specifications against other series members if higher speed is necessary.

Part Context

This part belongs to the BU7444SF series of low voltage operational amplifiers. It is designed specifically for applications demanding minimal power usage while maintaining accurate signal processing near the ground potential. The CMOS technology ensures high input impedance and low bias currents.

Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family. Verify pin compatibility and electrical parameter equivalence before replacing existing components in established designs.

FAQ

What is the input voltage range specification?

The input voltage range extends from VSS to VDD-1.2V, supporting ground sense operation.

Does the device include internal frequency compensation?

Yes, the IC integrates phase compensation capacitors internally, simplifying circuit design.