ISL28148FHZ-T7

Instrumentation, Op Amps, Buffer Amps Overview

The ISL28148FHZ-T7 is a single-channel precision operational amplifier from the Renesas ISL28148 series, housed in an SOT-23 package. It features a gain-bandwidth product of 4.5 MHz and a slew rate of 4 V/µs. The device supports rail-to-rail input and output operation with a supply voltage range of 1.8 V to 5.5 V. Key electrical specifications include an input offset voltage of 4 mV, input bias current of 20 pA, and input voltage noise density of 40 nV/√Hz. It operates within a temperature range of -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output capability for maximum dynamic range
• Very low input bias current suitable for high-impedance sources
• Optimized for single-supply operation from one lithium cell or two Ni-Cd batteries

Instrumentation, Op Amps, Buffer Amps Applications

• Precision signal conditioning for sensor interfaces
• Battery-powered instrumentation systems
• Data acquisition front-ends requiring low power consumption

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix T7 indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official Renesas documentation prior to integration. Ensure the component meets the required operating temperature range for your specific application environment. Cross-reference part numbers carefully as manufacturing sources may vary between Intersil and Renesas branding.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when low power consumption and rail-to-rail performance are critical in a small SOT-23 footprint. It is suitable for applications requiring moderate bandwidth (4.5 MHz) with high input impedance characteristics. Consider the 4 mV offset voltage specification for DC accuracy requirements. Compare against dual-channel variants if multiple amplifiers are needed on a single board.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the ISL281xx family of micropower operational amplifiers designed by Renesas (formerly Intersil). The family includes single and dual channel versions optimized for single-supply operation. These amplifiers bridge the gap between general-purpose op amps and high-precision instruments, offering a balance of speed, power, and accuracy in compact packages.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Check for direct substitutes within the ISL28148 series or compatible RRIO amplifiers with similar GBP and bias current specs. Verify pinout compatibility for SOT-23-5 packages before substitution. Ensure replacement parts meet the same -40°C to +125°C temperature rating.