BA4558FJ-GE2

Overview

The BA4558FJ-GE2 is a low-noise dual operational amplifier manufactured by ROHM Semiconductor. It features a supply voltage range of 8V to 30V and operates within a temperature range of -40°C to 105°C. Key electrical parameters include a typical current consumption of 1.5mA per channel, a maximum input offset voltage of 6mV, and a typical slew rate of 1V/µs. The device offers a typical voltage gain of 100dB and an equivalent input noise voltage of 12nV/√Hz. It utilizes an SOP-J8 package.

Feature Summary

• Low noise performance suitable for sensitive signal processing
• Wide operating supply voltage range supporting various power configurations
• Internal ESD protection circuitry for enhanced reliability

Applications

• Audio equipment signal conditioning
• Precision sensor interface circuits
• Industrial control systems requiring low distortion

Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with design requirements. Confirm RoHS compliance status and check for any end-of-life notices or product change notifications prior to finalizing procurement plans.

Selection Notes

Select this component when low noise and high voltage gain are required in a dual op-amp configuration. Ensure the application operates within the specified 8V to 30V supply range and -40°C to 105°C temperature limits. Consider the SOP-J8 package dimensions for PCB layout constraints.

Part Context

This part belongs to the BA4558 series of low-noise dual operational amplifiers from ROHM. It is designed for applications demanding high fidelity and low distortion. The device is often used as a direct replacement for standard dual op-amps where improved noise performance is critical.

Replacement Considerations

BA4558YF-MGE2 is listed as a similar alternative.