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The LTC6431AIUF-20 is a 50 Ω IF amplifier with 20 dB gain components

The LTC6431AIUF-20 is a 50 Ω IF amplifier with 20 dB gain components

Source:our siteTime:2024-12-05Views:

Product Overview:The LTC6431AIUF-20 is a gain component amplifier with excellent linearity (at frequencies above 1000MHz) and low correlated output noise.The unique combination of high linearity, low noise and low power dissipation makes this device i…

Product Overview:

The LTC6431AIUF-20 is a gain component amplifier with excellent linearity (at frequencies above 1000MHz) and low correlated output noise.


The unique combination of high linearity, low noise and low power dissipation makes this device ideal for many signal link applications. The LTC6431-20 is easy to use and requires very few external components. Its input/output is internally matched to 50Ω and draws only 93mA of current from a single 5V supply.


On-chip bias and temperature compensation maintain device performance in the face of environmental changes.


The LTC6431-20 uses a high-performance SiGe BiCMOS process to achieve excellent repeatability comparable to similar GaAs amplifiers. OIP3 specifications for all Class A LTC6431-20 devices are tested and guaranteed at 240MHz. The LTC6431-20 comes in a 4mm x 4mm 24-pin QFN package with bare padding, designed to improve thermal management and achieve low inductance.

应用电路图.png

Applications:

Single-ended IF amplifier

ADC driver

CATV


Features:

50Ω matching (20MHz to 1400MHz)

Power gain

46.2dBm OIP3 at 240MHz (driving 50Ω load)

Noise index (NF) = 2.6dB at 240MHz

Total input noise

S11 < -10dB at frequencies up to 2.0GHz

S22 < -10dB at frequencies up to 1.4GHz

> 2.0VP-P linear output swing

P1dB = 22.0dBm

50Ω single-end input/output

Not susceptible to VCC changes

Class A devices are 100% OIP3 tested at 240MHz

The input/output is internally matched to 50Ω

Single 5V power supply


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