BA2115F-E2

Overview

The BA2115F-E2 is a dual-channel low-noise operational amplifier manufactured by ROHM Semiconductor. It operates within a supply voltage range of 2 V to 14 V and features a gain-bandwidth product of 12 MHz with a slew rate of 4 V/µs. Key electrical parameters include an input offset voltage of 1 mV, input bias current of 150 nA, and input voltage noise density of 7 nV/√Hz. The device delivers an output current of 1.4 mA per channel and consumes 3.5 mA of operating current. It is housed in an SOP-8 package and supports surface mount installation across a temperature range of -40°C to +85°C.

Feature Summary

• Dual-channel architecture providing two independent amplification circuits within a single compact package.
• Low noise performance characterized by minimal input voltage noise density for signal integrity.
• Wide supply voltage capability allowing operation from low voltage sources up to 14 V.
• Full swing output design enabling output voltage ranges close to the power supply rails.

Applications

• Battery-powered portable electronic devices requiring low quiescent current
• Audio pre-amplifier stages where low noise is critical
• Signal conditioning circuits in industrial sensor interfaces

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official datasheets before integration. Check current lifecycle status as availability may be limited. Ensure storage conditions meet specified humidity and temperature requirements to maintain reliability. Validate pinout compatibility with existing PCB footprints during the procurement phase.

Selection Notes

Select this component when dual-channel amplification is required with strict low-noise constraints. Consider the 12 MHz bandwidth and 4 V/µs slew rate for moderate-speed signal processing tasks. Evaluate the 150 nA input bias current suitability for high-impedance source applications. Compare the SOP-8 package dimensions against available board space constraints. Assess the 3.5 mA supply current against total system power budget limitations.

Part Context

The BA2115F-E2 belongs to ROHM's BA series of operational amplifiers, designed for general-purpose analog signal processing. This specific variant emphasizes low noise characteristics while maintaining reasonable speed capabilities. It serves as a solution for applications needing multiple amplifier channels without increasing component count significantly.

Replacement Considerations

Consult official substitution lists for compatible dual-channel op-amps with similar electrical specifications. Verify pin-to-pin compatibility if replacing on existing boards. Ensure replacement parts match the SOP-8 package outline and thermal characteristics.