LTC6430-20
Info : RECOMMENDED FOR NEW DESIGNS
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LTC6430-20

High Linearity Differential RF/IF Amplifier/ADC Driver

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 4
1ku List Price Starting From $4.42
Features
  • 51.0dBm OIP3 at 240MHz into a 100Ω Diff Load
  • NF = 2.9dB at 240MHz
  • 20MHz to 2060MHz –3dB Bandwidth
  • 20.8dB Gain
  • A-Grade 100% OIP3 Tested at 380MHz
  • 0.6nV/√Hz Total Input Noise
  • S11 < –10dB Up to 1.4GHz
  • S22 < –10dB Up to 1.4GHz
  • >2.75VP-P Linear Output Swing
  • P1dB = 24.0dBm
  • Insensitive to VCC Variation
  • 100Ω Differential Gain-Block Operation
  • Input/Output Internally Matched to 100Ω Diff
  • Single 5V Supply
  • DC Power = 850mW
  • 4mm × 4mm, 24-Lead QFN Package
Additional Details
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The LTC6430-20 is a differential gain block amplifier designed to drive high resolution, high speed ADCs with excellent linearity beyond 1000MHz and with low associated output noise. The LTC6430-20 operates from a single 5V power supply and consumes only 850mW.

In its differential configuration, the LTC6430-20 can directly drive the differential inputs of an ADC. Using 1:2 baluns, the device makes an excellent 50Ω wideband balanced amplifier. While using 1:1.33 baluns, the device creates a high fidelity 40MHz to 1000MHz 75Ω CATV amplifier.

The LTC6430-20 is designed for ease of use, requiring a minimum of support components. The device is internally matched to 100Ω differential source/load impedance. On-chip bias and temperature compensation ensure consistent performance over environmental changes.

The LTC6430-20 uses a high performance SiGe BiCMOS process for excellent repeatability compared with similar GaAs amplifiers. All A-grade LTC6430-20 devices are tested and guaranteed for OIP3 at 380MHz. The LTC6430-20 is housed in a 4mm × 4mm, 24-lead, QFN package with an exposed pad for thermal management and low inductance. A single-ended 50Ω IF gain block with similar performance is also available, see the related LTC6431-20.

Applications

  • Differential ADC Driver
  • Differential IF Amplifier
  • OFDM Signal Chain Amplifier
  • 50Ω Balanced IF Amplifier
  • 75Ω CATV Amplifier
  • 700MHz to 800MHz LTE Amplifier
  • Low Phase Noise Clock or LO Amplifier
Part Models 4
1ku List Price Starting From $4.42

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC6430AIUF-20#PBF
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LTC6430AIUF-20#TRPBF
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LTC6430BIUF-20#PBF
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LTC6430BIUF-20#TRPBF
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 3

reference details image

DC2076A-A

LTC6430-20 Demo Board | Optimized 50MHz to 350MHz Differential ADC Driver, IF/RF Amplifier

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DC2076A-A

LTC6430-20 Demo Board | Optimized 50MHz to 350MHz Differential ADC Driver, IF/RF Amplifier

LTC6430-20 Demo Board | Optimized 50MHz to 350MHz Differential ADC Driver, IF/RF Amplifier

Product Detail

Demonstration circuit 2076A-A features the LTC6430-20 differential ADC Driver/IF Amplifier. The LTC6430-20 has a power gain of 20.8dB and is part of the LTC6430-YY amplifier series.

reference details image

DC2078A

LTC6430-20 Demo Board | 50MHz to 1000MHz 75Ω Input/Output CATV Amplifier

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DC2078A

LTC6430-20 Demo Board | 50MHz to 1000MHz 75Ω Input/Output CATV Amplifier

LTC6430-20 Demo Board | 50MHz to 1000MHz 75Ω Input/Output CATV Amplifier

Product Detail

Demonstration circuit 2078A is a 75Ω input and 75Ω output push-pull CATV amplifier featuring the LTC6430‑20. The LTC6430-20 has a power gain of 20.8dB and is part of the LTC6430-YY amplifier series.

reference details image

DC2076A-B

LTC6430-20 Demo Board | Optimized 300MHz to 1000MHz Differential ADC Driver, IF/RF Amplifier

zoom

DC2076A-B

LTC6430-20 Demo Board | Optimized 300MHz to 1000MHz Differential ADC Driver, IF/RF Amplifier

LTC6430-20 Demo Board | Optimized 300MHz to 1000MHz Differential ADC Driver, IF/RF Amplifier

Product Detail

Demonstration circuit 2076A-B features the LTC6430-20 differential ADC Driver/IF Amplifier. The LTC6430-20 has a power gain of 20.8dB and is part of the LTC6430-YY amplifier series.

Tools & Simulations

Tools & Simulations 2

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