ISL28233IUZ

Instrumentation, Op Amps, Buffer Amps Overview

The ISL28233IUZ is a dual micropower, zero-drift operational amplifier optimized for single and dual supply operation from 1.65V to 5.5V and ±0.825V to ±2.75V. It features an input offset voltage of 8µV maximum, quiescent current of 18µA per amplifier, and rail-to-rail inputs and outputs. The device operates over a temperature range of -40°C to +85°C in an 8-lead MSOP package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Utilizes proprietary chopper-stabilized technique combining main and DC correction amplifiers for low offset and drift
• Rail-to-rail CMOS architecture with parallel PMOS and NMOS inputs extending beyond supply rails
• High open loop gain of 174dB with virtually flat noise across the frequency range

Instrumentation, Op Amps, Buffer Amps Applications

• Bi-directional current sense
• Temperature measurement
• Medical equipment
• Electronic weigh scales
• Precision strain gauge sensor

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify component authenticity through authorized Renesas or Intersil distributors. Confirm RoHS compliance and moisture sensitivity level (MSL) classification before procurement. Ensure proper electrostatic discharge handling procedures are followed during storage and assembly to prevent damage to the sensitive internal circuitry.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring high precision at very low power consumption. The zero-drift technology ensures stability over temperature variations, making it suitable for battery-operated handheld devices powered by AA or Li-ion cells where long-term accuracy and minimal energy usage are critical design constraints.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the ISL28233I series of dual micro-power operational amplifiers manufactured by Renesas Electronics Corporation under the Intersil brand. It represents a specialized analog signal processing solution designed for general-purpose use in environments demanding high DC accuracy without the typical power penalties associated with precision amplifiers.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The datasheet revision history recommends the ISL28233FUZ as a replacement for stamped versions of this device.