ISL28430FBZ-T7A

Instrumentation, Op Amps, Buffer Amps Overview

The ISL28430FBZ-T7A is a quad micro-power, zero-drift operational amplifier manufactured by Renesas Electronics Corporation. It features rail-to-rail input and output capabilities, optimized for single-supply operation from 1.8V to 5.5V or dual supplies of ±0.9V to ±2.75V. The device offers low input offset voltage (40µV max), low drift (150nV/°C max), and low bias current (250pA max). Each amplifier consumes only 20µA of quiescent current. It is housed in a 14-lead SOIC package with tape-and-reel packaging.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Quad channel configuration with micro-power consumption
• Zero-drift architecture ensuring low offset voltage and drift
• Rail-to-rail input and output swing capability
• Optimized for low-voltage single and dual supply operations

Instrumentation, Op Amps, Buffer Amps Applications

• Handheld devices powered by 2AA batteries or single lithium-ion cells
• Infusion pumps requiring high stability and precision
• 4-20mA current loop transmitters with ultra-low power MCU integration
• High-performance USB PD power adapters for multi-device charging

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix T7A indicates tape-and-reel packaging when ordering. Confirm the FBZ designation corresponds to the lead-free and RoHS-compliant variant. Ensure the 14-lead SOIC package dimension matches your PCB footprint requirements. Check for any recent product change notices regarding assembly or material changes that may affect compatibility.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when multiple channels are required in a space-constrained design. It is suitable for applications demanding high DC accuracy without external trimming. Consider the 20µA per amplifier current draw for battery life calculations. Verify that the rail-to-rail output swing meets the load requirements at the intended supply voltage.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the ISL28x30 series of precision amplifiers, which includes single-channel (ISL28130) and dual-channel (ISL28230) variants. The series is designed for general-purpose use in portable and industrial applications where low power and high precision are critical. The quad configuration allows for complex signal conditioning circuits within a single package.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct pin-compatible replacements include other members of the ISL28x30 family such as the ISL28230 or ISL28130 if fewer channels are acceptable. Verify that alternative parts maintain the same zero-drift characteristics and quiescent current specifications to ensure circuit performance remains unchanged.