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HF-Volldifferenzverstärker (FDAs)

LMH5401

AKTIV

8-GHz-Ultrabreitband-Volldifferenzialverstärker

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Datenblatt

LMH5401

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Type RF FDA Frequency (min) (MHz) 0 Frequency (max) (MHz) 4800 Gain (typ) (dB) 12 Noise figure (typ) (dB) 11 OIP3 (typ) (dBm) 37.5 P1dB (typ) (dBm) 12 Frequency of harmonic distortion measurement (GHz) 1 3rd harmonic (dBc) -70 OIP2 (typ) (dBm) 80 2nd harmonic (dBc) -53 Current consumption (mA) 55 Number of channels 1 Operating temperature range (°C) -40 to 85 Rating Catalog Output enable Yes
Type RF FDA Frequency (min) (MHz) 0 Frequency (max) (MHz) 4800 Gain (typ) (dB) 12 Noise figure (typ) (dB) 11 OIP3 (typ) (dBm) 37.5 P1dB (typ) (dBm) 12 Frequency of harmonic distortion measurement (GHz) 1 3rd harmonic (dBc) -70 OIP2 (typ) (dBm) 80 2nd harmonic (dBc) -53 Current consumption (mA) 55 Number of channels 1 Operating temperature range (°C) -40 to 85 Rating Catalog Output enable Yes
UQFN (RMS) 14 6.25 mm² (2.5 mm × 2.5 mm)
  • Gain Bandwidth Product (GBP): 8 GHz
  • Excellent Linearity Performance:
    DC to 2 GHz, G = 12 dB
  • Slew Rate: 17,500 V/µs
  • Low HD2, HD3 Distortion
    (1 VPP, 200 Ω, DE-DE, G = 12 dB):
    • 100 MHz: HD2 at –104 dBc, HD3 at –96 dBc
    • 200 MHz: HD2 at –95 dBc, HD3 at –92 dBc
    • 500 MHz: HD2 at –80 dBc, HD3 at –77 dBc
    • 1 GHz: HD2 at –64 dBc, HD3 at –58 dBc
  • Low IMD2, IMD3 Distortion
    (2 VPP, 200 Ω, DE-DE, G = 12 dB):
    • 200 MHz: IMD2 at –96 dBc, IMD3 at –95 dBc
    • 500 MHz: IMD2 at –80 dBc, IMD3 at –83 dBc
    • 1 GHz: IMD2 at –70 dBc, IMD3 at –63 dBc
  • Input Voltage Noise: 1.25 nV/√Hz
  • Input Current Noise: 3.5 pA/√Hz
  • Supports Single- and Dual-Supply Operation
  • Power Consumption: 55 mA
  • Power-Down Feature
  • Gain Bandwidth Product (GBP): 8 GHz
  • Excellent Linearity Performance:
    DC to 2 GHz, G = 12 dB
  • Slew Rate: 17,500 V/µs
  • Low HD2, HD3 Distortion
    (1 VPP, 200 Ω, DE-DE, G = 12 dB):
    • 100 MHz: HD2 at –104 dBc, HD3 at –96 dBc
    • 200 MHz: HD2 at –95 dBc, HD3 at –92 dBc
    • 500 MHz: HD2 at –80 dBc, HD3 at –77 dBc
    • 1 GHz: HD2 at –64 dBc, HD3 at –58 dBc
  • Low IMD2, IMD3 Distortion
    (2 VPP, 200 Ω, DE-DE, G = 12 dB):
    • 200 MHz: IMD2 at –96 dBc, IMD3 at –95 dBc
    • 500 MHz: IMD2 at –80 dBc, IMD3 at –83 dBc
    • 1 GHz: IMD2 at –70 dBc, IMD3 at –63 dBc
  • Input Voltage Noise: 1.25 nV/√Hz
  • Input Current Noise: 3.5 pA/√Hz
  • Supports Single- and Dual-Supply Operation
  • Power Consumption: 55 mA
  • Power-Down Feature

The LMH5401 device is a very high-performance, differential amplifier optimized for radio frequency (RF), intermediate frequency (IF), or high-speed, dc-coupled, time-domain applications. The device is ideal for dc- or ac-coupled applications that may require a single-ended-to-differential (SE-DE) conversion when driving an analog-to-digital converter (ADC). The LMH5401 generates very low levels of second- and third-order distortion when operating in SE-DE or differential-to-differential (DE-DE) mode.

The amplifier is optimized for use in both SE-DE and DE-DE systems. The device has unprecedented usable bandwidth from DC to 2 GHz. The LMH5401 can be used for SE-DE conversions in the signal chain without external baluns in a wide range of applications such as test and measurement, broadband communications, and high-speed data acquisition.

A common-mode reference input pin aligns the amplifier output common-mode with the ADC input requirements. Power supplies between 3.3 V and 5 V can be selected and dual-supply operation is supported when required by the application. A power-down feature is also available for power savings.

This level of performance is achieved at a very low power level of 275 mW when a 5-V supply is used. The device is fabricated in Texas Instruments’ advanced complementary BiCMOS process and is available in a space-saving, UQFN-14 package for higher performance.

The LMH5401 device is a very high-performance, differential amplifier optimized for radio frequency (RF), intermediate frequency (IF), or high-speed, dc-coupled, time-domain applications. The device is ideal for dc- or ac-coupled applications that may require a single-ended-to-differential (SE-DE) conversion when driving an analog-to-digital converter (ADC). The LMH5401 generates very low levels of second- and third-order distortion when operating in SE-DE or differential-to-differential (DE-DE) mode.

The amplifier is optimized for use in both SE-DE and DE-DE systems. The device has unprecedented usable bandwidth from DC to 2 GHz. The LMH5401 can be used for SE-DE conversions in the signal chain without external baluns in a wide range of applications such as test and measurement, broadband communications, and high-speed data acquisition.

A common-mode reference input pin aligns the amplifier output common-mode with the ADC input requirements. Power supplies between 3.3 V and 5 V can be selected and dual-supply operation is supported when required by the application. A power-down feature is also available for power savings.

This level of performance is achieved at a very low power level of 275 mW when a 5-V supply is used. The device is fabricated in Texas Instruments’ advanced complementary BiCMOS process and is available in a space-saving, UQFN-14 package for higher performance.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LMH5401 8-GHz, Low-Noise, Low-Power, Fully-Differential Amplifier datasheet (Rev. D) PDF | HTML 23.02.2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28.03.2017
Anwendungshinweis ADC32RF45: Amplifier to ADC Interface (Rev. A) 07.09.2016
Technischer Artikel How to use a fully differential amplifier as a level shifter PDF | HTML 13.07.2016
Technischer Artikel Disentangling RF amplifier specs: amplifier spot noise vs. noise figure PDF | HTML 05.02.2016
Technischer Artikel How to optimize differential amplifier noise PDF | HTML 07.07.2015

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

LMH5401EVM — LMH5401-Evaluierungsmodul

The LMH5401EVM is an evaluation module for the single LMH5401 amplifier in a 14-lead high performance RF package. This evaluation module is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test (...)

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Evaluierungsplatine

XMICR-3P-LMH5401 — LMH5401 X-MWblock evaluation modules

X-MWblocks consist of RF and Microwave “drop-in” components that can be used individually for prototyping or in production assemblies. X-MWblocks are easy to test, integrate, align and configure to 60 GHz and beyond. No messy Sweat Soldering or Silver Epoxy processes are required. (...)

Von: X-Microwave
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LMH5401 ADS Model

SBOJ019.ZIP (87 KB) - Spice-Modell
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LMH5401 PSpice Model

SBOMBP6.ZIP (133 KB) - PSpice-Modell
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LMH5401 TINA Macromodel (Rev. B)

SBOM920B.ZIP (10 KB) - TINA-TI Spice-Modell
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LMH5401 TINA Reference Design (Rev. B)

SBOM919B.TSC (365 KB) - TINA-TI-Referenzdesign
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Berechnungstool

ADC12DJ5200RF-HSACCURACY-CALC — Accuracy calculation for ADC12DJ5200RF with amplifier input

DC accuracy calculator which accounts for ADC and amplifier noise and imperfections.
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ADC3669-NOISE-ANALYSIS-CALC — Noise analysis calculation tool (SNR/SFDR) for ADC3669 with amplifier input.

Calculation tool for analyzing noise of ADC3669 with an amplifier as the input network.
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RF-CASCADE-CALC-TOOL — HF-Kaskadenrechner von TI

A browser-based RF lineup analysis tool supporting up to 10 stages. Computes gain, NF, OIP3, OIP2, OP1dB, and derived metrics. Features dual-axis Plotly charts, P1dB saturation detection, and export to CSV
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SBOR022 — TI FDA Calculator

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Viele TI-Referenzdesigns beinhalten LMH5401

Mit unserem Referenzdesign-Auswahltool können Sie die für Ihre Anwendung und Ihre Parameter am besten geeigneten Designs durchsehen und ermitteln.
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
UQFN (RMS) 14 Ultra Librarian
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