EL5134IS-T7

Overview

The EL5134IS-T7 is a high-speed, low-noise voltage feedback operational amplifier manufactured by Intersil Americas Inc. It features a 650MHz -3dB bandwidth and a gain-bandwidth product of 1500MHz. The device operates with supply voltages ranging from 5V to 12V single-supply or ±2.5V to ±5V dual-supply. Key electrical parameters include an ultra-low input noise voltage of 1.5nV/√Hz and current noise of 0.9pA/√Hz at 10kHz. It provides a slew rate of 450V/µs and draws 6.7mA per amplifier. The part includes a fast disable feature for power-down control.

Feature Summary

• Ultra-low voltage and current noise performance suitable for sensitive signal processing
• High-speed operation with 650MHz bandwidth and 450V/µs slew rate
• Integrated fast disable function for efficient power management
• Stable operation at gains as low as 5 with 100mA drive capability

Applications

• Imaging systems requiring low noise amplification
• Instrumentation circuits demanding high precision
• Communications devices utilizing RF and IF stages

Procurement Notes

Verify the manufacturer origin, as this component was originally produced by Intersil Americas Inc. before acquisition by Renesas Electronics Corporation. Confirm that the specific ordering suffix corresponds to the 7-inch tape and reel packaging format. Ensure compatibility with RoHS compliance standards if lead-free variants are required for the assembly process.

Selection Notes

Select this amplifier for applications prioritizing low noise and high speed within a voltage feedback topology. It is appropriate where current-feedback amplifiers are unsuitable due to feedback element restrictions. Consider the disable pin functionality if power conservation during idle states is necessary. Evaluate thermal dissipation requirements based on the SOIC-8 package characteristics and ambient operating conditions.

Part Context

This component belongs to the EL513x/EL523x family of ultra-low voltage noise, high-speed voltage feedback amplifiers. These devices are built on a proprietary high-speed complementary bipolar process. The family includes single (EL5134/EL5135) and dual (EL5234/EL5235) configurations, offering flexibility in channel count while maintaining consistent high-frequency performance and low power consumption profiles.

Replacement Considerations

Direct replacements include other models within the same family such as the EL5135, EL5234, or EL5235, depending on the required channel count and package type. Verify pinout compatibility and functional equivalence regarding the disable feature and supply voltage ranges before substitution.

FAQ

How does the disable feature affect the supply current?

When disabled, the supply current per amplifier reduces significantly to approximately 12µA, placing the outputs in a high-impedance state.

What is the minimum stable gain for this amplifier?

The amplifier is designed to be stable at gains as low as 5, maintaining performance down to this setting without oscillation.

Can this device operate with single-supply voltages?

Yes, it supports single-supply operation from 5V to 12V, provided the slew rate between supplies remains below 1V/µs to prevent latch-up.