BU7486F-E2

Overview

The BU7486F-E2 is a dual-channel, ground-sense, high-speed, low-voltage CMOS operational amplifier manufactured by ROHM Semiconductor. It operates within a supply voltage range of 3 V to 5.5 V and supports an operating temperature range from -40°C to +85°C. Key electrical specifications include a gain-bandwidth product of 10 MHz, a slew rate of 10 V/µs, and a maximum input offset voltage of 9.5 mV. The device features a typical quiescent current of 1.5 mA per channel and delivers an output current of 8 mA. It is housed in an SOP-8 surface-mount package.

Feature Summary

• Input ground sense capability with full swing output
• High-speed performance with wide bandwidth
• Low voltage operation suitable for portable devices
• Low input bias current for precision applications

Applications

• Portable electronic equipment signal conditioning
• Sensor interface circuits requiring ground reference
• Battery-powered instrumentation systems
• General-purpose analog signal amplification
• Low-voltage data acquisition front ends

Procurement Notes

Verify the specific suffix E2 against the official manufacturer datasheet to confirm pinout compatibility and RoHS status. Ensure the SOP-8 package dimensions match your PCB footprint requirements. Confirm that the standard industrial temperature range meets your environmental design constraints before finalizing component selection.

Selection Notes

Select this component when ground-referenced input signals are required without level shifting. Compare the 10 MHz bandwidth against application signal frequencies to ensure adequate phase margin. Evaluate the 1.5 mA per channel current consumption against total system power budgets. Consider the BU7486SF-E2 variant if extended temperature operation up to 105°C is necessary for your specific deployment environment.

Part Context

This device belongs to the BU7486 series of CMOS operational amplifiers designed for low-voltage applications. It serves as a two-channel version within the family, complemented by single-channel (BU7485) and four-channel (BU7487) variants. The series emphasizes efficiency and speed for battery-operated consumer electronics and sensor interfaces where ground sensing is critical.

Replacement Considerations

The BU7486SF-E2 is an official alternative offering extended temperature range capabilities while maintaining similar electrical characteristics. Verify pin compatibility and thermal performance differences before substitution. No other direct cross-model replacements are confirmed in the provided documentation.

FAQ

What is the input voltage range for the BU7486F-E2?

The input voltage range extends from VSS to VDD minus 1.4 V, allowing for ground-sense operation.

Does the BU7486F-E2 support shutdown functionality?

No, the BU7486F-E2 does not include a shutdown feature; it operates continuously within its specified temperature range.

What is the typical quiescent current per channel?

The typical circuit current is 1.5 mA per channel under standard operating conditions.