HFA1135IB

Instrumentation, Op Amps, Buffer Amps Overview

The HFA1135IB is a single-channel current feedback video amplifier manufactured by Intersil. It features a high slew rate of 2300 V/µs and an input bias current of 15 µA. The device operates with a supply voltage range including ±5V, drawing 7.3 mA of operating current. It provides a common-mode rejection ratio of 47 dB and a power supply rejection ratio of 50 dB. The input voltage noise density is 3.5 nV/√Hz. It functions within a temperature range of -40°C to +85°C and is housed in an SOIC-8 surface-mount package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• High-speed current feedback architecture designed for video signal processing applications
• Low input offset voltage and low input bias current characteristics
• Surface-mount packaging suitable for automated assembly processes

Instrumentation, Op Amps, Buffer Amps Applications

• Video amplification circuits
• Signal conditioning for high-frequency analog signals
• Test and measurement equipment front ends

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix designation against official documentation, as variations may exist between standard and annealed versions. Confirm availability status through authorized channels, as this component may be subject to discontinuation or limited stock conditions. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a high slew rate and wide bandwidth are required for video signal integrity. Consider the SOIC-8 package constraints for board space. Evaluate the need for current feedback topology over voltage feedback for faster transient response. Verify that the operating temperature range meets the environmental specifications of the target application.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HFA1135 series of video amplifiers from Intersil, now part of Renesas Electronics. The series focuses on high-speed performance for professional video and imaging systems. The HFA1135IB specifically denotes the industrial temperature grade variant in the standard SOIC-8 package format.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official datasheets for direct pin-compatible alternatives within the same family. Verify electrical parameter equivalence for slew rate and bandwidth when considering cross-manufacturer substitutes.