ISL55190IBZ

Overview

The ISL55190IBZ is a single ultra-low noise, ultra-low distortion, low power voltage feedback operational amplifier manufactured by Renesas Electronics Corporation. It features a rail-to-rail output type with a slew rate of 268V/µs and a gain bandwidth product of 800 MHz. The device exhibits an input bias current of 25 µA and an input offset voltage of 300 µV. Supply current is specified at 30mA per channel, while the output current capability reaches 130 mA.

Feature Summary

• Ultra-low noise and ultra-low distortion characteristics for high-fidelity signal processing
• High slew rate and wide gain bandwidth product enabling fast transient response
• Rail-to-rail output stage maximizing dynamic range in low voltage applications
• Low power consumption design suitable for battery-operated systems

Applications

• Precision data acquisition systems requiring high speed and low noise
• Medical instrumentation such as ECG and EEG amplifiers
• Test and measurement equipment demanding accurate signal conditioning
• Video buffering and distribution circuits

Procurement Notes

Verify component authenticity through authorized Renesas distributors or direct manufacturer channels. Confirm package integrity and marking consistency against official datasheet specifications. Check for obsolete status indicators as availability may be limited. Ensure storage conditions comply with moisture sensitivity levels to prevent damage prior to assembly.

Selection Notes

Select this component when application requirements prioritize low noise and distortion alongside high-speed performance. Consider the rail-to-rail output capability if driving loads close to supply rails is necessary. Evaluate power supply constraints against the 30mA typical supply current. Compare alternative devices only if specific pinout compatibility or package size restrictions exist.

Part Context

This part belongs to the ISL55190 series of ultra-low noise operational amplifiers from Renesas. The series includes dual versions and variants with different suffixes indicating packaging or temperature ranges. These amplifiers are designed for applications where signal integrity and speed are critical, bridging the gap between general-purpose op amps and specialized RF amplifiers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pin compatibility and electrical parameter overlaps with potential alternatives before substitution.