ISL28408FBZ-T7

Instrumentation, Op Amps, Buffer Amps Overview

The ISL28408FBZ-T7 is a quad precision operational amplifier manufactured by Renesas Electronics. It features a gain-bandwidth product of 1.2 MHz and a slew rate of 450 mV/us. The device operates on a single supply voltage ranging from 3 V to 40 V, with a maximum power supply voltage of 40 V. Key electrical specifications include an input offset voltage of 25 µV, an input bias current of 13 nA, and an input voltage noise density of 15.8 nV/√Hz. Each channel provides an output current capability of 30 mA, while the total operating supply current is 270 µA. The common-mode rejection ratio is specified at 102 dB.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Supports single or dual supply operation with rail-to-rail output capability
• Enables below ground (V-) input voltage range for comparator applications
• Provides rail-to-rail input differential voltage range suitable for comparator use

Instrumentation, Op Amps, Buffer Amps Applications

• Precision signal conditioning circuits requiring low offset voltage
• Comparator applications utilizing rail-to-rail input differential voltage range
• Single-supply systems requiring rail-to-rail output swing

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix T7 indicates tape-and-reel packaging when ordering. Confirm the component status as obsolete or end-of-life with the manufacturer prior to final design approval. Ensure the 40 V maximum supply rating aligns with system requirements. Validate the 14-SOIC package footprint against PCB layout constraints. Cross-reference the datasheet for humidity sensitivity handling procedures.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications demanding high precision with low input offset voltage and low noise. The wide single-supply range up to 40 V offers flexibility in power architecture. Consider the 1.2 MHz bandwidth for moderate-speed signal processing tasks. Evaluate the 270 µA supply current for power-sensitive designs. Compare performance metrics against alternative quad op-amps if higher speed is required.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the ISL28408 series of precision amplifiers from Renesas. It is a quad-channel variant packaged in a 14-pin SOIC format. The series is characterized by its ability to operate with inputs below the negative supply rail. It serves as a successor to Intersil precision amplifier lines, maintaining compatibility with legacy designs requiring high accuracy and wide supply voltage tolerance.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.