ISL28138FBZ

Instrumentation, Op Amps, Buffer Amps Overview

The ISL28138FBZ is a single-channel, micropower operational amplifier manufactured by Renesas Electronics Corporation. It features rail-to-rail input and output capabilities, making it suitable for low-voltage applications. The device operates within a supply voltage range of 2.75 V to 5.5 V (single) or ±1.375 V to ±2.75 V (dual). Key electrical specifications include a gain-bandwidth product of 400 kHz, a slew rate of 200 mV/µs, and an input offset voltage of 40 µV. The quiescent current per channel is 20 µA, with a maximum output current of 15 mA. It is housed in a compact SC-70-5 surface-mount package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Micropower consumption with 20 µA quiescent current per channel
• Rail-to-rail input and output operation
• Low input offset voltage of 40 µV
• Operates on a single 2.75 V to 5.5 V supply

Instrumentation, Op Amps, Buffer Amps Applications

• Portable battery-powered instrumentation
• Medical devices requiring low power and precision
• Industrial sensor signal conditioning
• Data acquisition systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'FBZ' against the manufacturer's official datasheet to confirm pinout and packaging details. Confirm RoHS compliance status as indicated in the component documentation. Check for any obsolescence notices or lifecycle status updates directly from Renesas Electronics before finalizing procurement plans.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when designing circuits that require both low power consumption and rail-to-rail signal swing under single-supply conditions. The 400 kHz bandwidth is sufficient for many low-frequency sensing applications. Ensure the load requirements do not exceed the 15 mA output current capability. Compare against other members of the ISL28x30 family if different channel counts or packages are needed.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the ISL28x30 series of micropower, zero-drift operational amplifiers from Renesas. These amplifiers are designed for high-precision applications where low power is critical. The series includes single, dual, and quad variants, offering flexibility for various system architectures while maintaining consistent performance characteristics across the family.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult the manufacturer's cross-reference guide for verified substitutes. Potential alternatives may include other micropower RRIO op-amps from Renesas or competitors, provided they match the 2.75 V minimum supply voltage and SC-70-5 package constraints.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the maximum supply voltage for the ISL28138FBZ?

The maximum supply voltage is 5.5 V for single-supply operation or ±2.75 V for dual-supply operation.

Does the ISL28138FBZ support rail-to-rail output?

Yes, the ISL28138FBZ features rail-to-rail input and output capabilities.