LTC6430AIUF-20

Description：IC POWER MANAGEMENT
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:c57f9d988999 Category: Special Purpose Amplifiers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC POWER MANAGEMENT
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Type：ADC Driver
Applications：Driver
Mounting Type：Surface Mount
Package / Case：24-WFQFN Exposed Pad
Supplier Device Package：24-QFN (4x4)
Grade：-
Qualification：-

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LTC6430AIUF-20

Overview

The LTC6430AIUF-20 is a high linearity differential RF/IF amplifier and ADC driver manufactured by Analog Devices Inc. It operates from a single 5V supply, consuming 850mW of DC power. The device features a 20.8dB gain and a -3dB bandwidth extending from 20MHz to 2060MHz. It utilizes a SiGe BiCMOS process within a 4mm x 4mm, 24-lead QFN package with an exposed thermal pad. Input and output impedances are internally matched to 100Ω differential.

Feature Summary

High linearity performance suitable for driving high-resolution, high-speed ADCs beyond 1000MHz.
Internally matched to 100Ω differential source and load impedance for simplified circuit design.
On-chip bias and temperature compensation ensure consistent performance across environmental changes.
Differential topology minimizes common mode noise and second harmonic distortion.

Applications

Differential ADC Driver
Differential IF Amplifier
75Ω CATV Amplifier
50Ω Balanced IF Amplifier

Procurement Notes

Verify the specific A-grade designation when ordering, as it guarantees minimum OIP3 at 380MHz compared to B-grade variants. Confirm the lead-free finish suffix (#PBF) and tape-and-reel or tube packaging options match the production requirements. Ensure the 24-lead QFN footprint matches the PCB layout specifications before finalizing procurement.

Selection Notes

Select this component for applications requiring wideband differential amplification with high linearity. The A-grade version is necessary if guaranteed OIP3 testing at 380MHz is required. Consider the internal 100Ω matching when designing input and output networks. Evaluate the thermal management capabilities of the exposed pad for high-power operation scenarios.

Part Context

This part belongs to the LTC6430-YY amplifier series, designed specifically for signal chain applications. It serves as a differential counterpart to single-ended gain blocks like the LTC6431-20. The device is engineered to replace similar GaAs amplifiers while offering improved repeatability and ease of use through integrated biasing and matching.