LT6604IUFF-5#TRPBF

Overview

The LT6604IUFF-5#TRPBF is a dual very low noise differential amplifier and 5MHz lowpass filter. It integrates two matched, fully differential amplifiers, each with a 4th order lowpass filter approximating a Chebyshev response. The device guarantees phase and gain matching between channels. Gain is resistor-programmable using external resistors. It supports 3V, 5V, and ±5V supplies. The package is a 34-lead QFN (4mm x 7mm).

Feature Summary

• Dual fully differential amplifiers integrated with 4th order 5MHz lowpass filters.
• Guaranteed channel-to-channel gain and phase matching.
• Resistor-programmable differential gain via external input resistors.
• Adjustable output common mode voltage for direct ADC interfacing.

Applications

• Dual differential ADC driver and filter
• Single-ended to differential converter
• High speed ADC antialiasing in wireless infrastructure
• Medical imaging systems

Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the I grade designation matches the required -40°C to 85°C operating temperature range for your application environment. Ensure the 34-lead QFN footprint aligns with your PCB layout constraints.

Selection Notes

Select this component when simultaneous filtering and amplification are required in a compact form factor. The integrated design reduces distortion and noise compared to discrete solutions. Consider the resistor-programmable gain feature for flexible system configurations without changing internal components.

Part Context

This part belongs to the LT6604 family of dual differential amplifiers with integrated lowpass filters. Variants exist with different cutoff frequencies such as 2.5MHz and 15MHz. The I grade specifies industrial temperature operation, while C grade covers commercial ranges. All share the same functional architecture and pinout.

Replacement Considerations

LT6604CUFF-5#TRPBF offers identical electrical performance but is specified for 0°C to 70°C temperature range instead of -40°C to 85°C. Verify thermal requirements before substituting.