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LMH6554

AKTIV

Extrem linearer voll differenzieller Verstärker 2,8 GHz

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Datenblatt

LMH6554

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.25 BW at Acl (MHz) 2800 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 6200 Architecture Bipolar, Current FB, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 0.9 Iq per channel (typ) (mA) 52 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 3 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 150 2nd harmonic (dBc) 68 3rd harmonic (dBc) 70 Frequency of harmonic distortion measurement (MHz) 250 GBW (typ) (MHz) 2500 Input bias current (max) (pA) 8000000 Features Shutdown CMRR (typ) (dB) 83 Rating Catalog
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.25 BW at Acl (MHz) 2800 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 6200 Architecture Bipolar, Current FB, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 0.9 Iq per channel (typ) (mA) 52 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 3 Operating temperature range (°C) -40 to 125 Iout (typ) (mA) 150 2nd harmonic (dBc) 68 3rd harmonic (dBc) 70 Frequency of harmonic distortion measurement (MHz) 250 GBW (typ) (MHz) 2500 Input bias current (max) (pA) 8000000 Features Shutdown CMRR (typ) (dB) 83 Rating Catalog
UQFN (NHJ) 14 6.25 mm² (2.5 mm × 2.5 mm)
  • Small-Signal Bandwidth 2.8 GHz
  • 2 VPP Large-Signal Bandwidth 1.8 GHz
  • 0.1 dB Gain Flatness 830 MHz
  • OIP3 at 150 MHz 46.5 dBm
  • HD2/HD3 at 75 MHz –96 / –97 dBc
  • Input Noise Voltage 0.9 nV/√Hz
  • Input Noise Current 11 pA/√Hz
  • Slew Rate 6200 V/µs
  • Power 260 mW
  • Typical Supply Current 52 mA
  • 14-Lead UQFN Package
  • Small-Signal Bandwidth 2.8 GHz
  • 2 VPP Large-Signal Bandwidth 1.8 GHz
  • 0.1 dB Gain Flatness 830 MHz
  • OIP3 at 150 MHz 46.5 dBm
  • HD2/HD3 at 75 MHz –96 / –97 dBc
  • Input Noise Voltage 0.9 nV/√Hz
  • Input Noise Current 11 pA/√Hz
  • Slew Rate 6200 V/µs
  • Power 260 mW
  • Typical Supply Current 52 mA
  • 14-Lead UQFN Package

The LMH6554 device is a high-performance fully differential amplifier designed to provide the exceptional signal fidelity and wide large-signal bandwidth necessary for driving 8- to 16-bit high-speed data acquisition systems. Using TI’s proprietary differential current mode input stage architecture, the LMH6554 has unity gain, small-signal bandwidth of 2.8GHz and allows operation at gains greater than unity without sacrificing response flatness, bandwidth, harmonic distortion, or output noise performance.

The low-impedance differential output of the device is designed to drive ADC inputs and any intermediate filter stage. The LMH6554 delivers 16-bit linearity up to 75 MHz when driving 2V peak-to-peak into loads as low as 200 Ω.

The LMH6554 is fabricated in TI’s advanced complementary BiCMOS process and is available in a space-saving 14-lead UQFN package for higher performance.

The LMH6554 device is a high-performance fully differential amplifier designed to provide the exceptional signal fidelity and wide large-signal bandwidth necessary for driving 8- to 16-bit high-speed data acquisition systems. Using TI’s proprietary differential current mode input stage architecture, the LMH6554 has unity gain, small-signal bandwidth of 2.8GHz and allows operation at gains greater than unity without sacrificing response flatness, bandwidth, harmonic distortion, or output noise performance.

The low-impedance differential output of the device is designed to drive ADC inputs and any intermediate filter stage. The LMH6554 delivers 16-bit linearity up to 75 MHz when driving 2V peak-to-peak into loads as low as 200 Ω.

The LMH6554 is fabricated in TI’s advanced complementary BiCMOS process and is available in a space-saving 14-lead UQFN 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 LMH6554 2.8-GHz Ultra Linear Fully Differential Amplifier datasheet (Rev. Q) PDF | HTML 11.03.2026
Application brief Why Use an FDA to Drive an ADC? PDF | HTML 08.01.2026
Application brief Active Filter Design for Differential ADCs (Rev. A) PDF | HTML 08.10.2025
Circuit design Single-ended input to differential output circuit using a fully-differential amp (Rev. A) PDF | HTML 25.09.2024
E-book Engineer's Guide to High-Speed Amplifiers PDF | HTML 18.10.2023
Anwendungshinweis Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 14.06.2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28.03.2017
Benutzerhandbuch LMH6554LE-EVAL High Speed Differential Amplifier Evaluation Board (Rev. C) 01.05.2013
Anwendungshinweis AN-1719 Noise Figure Analysis Fully Differential Amplifier (Rev. A) 01.05.2013
Anwendungshinweis AN-2177 Using the LMH6554 as a ADC Driver (Rev. A) 26.04.2013
Anwendungshinweis Using High Speed Diff Amp to Drive ADCs (Rev. A) 26.04.2013
Weitere Dokumente Featured High Speed Differential Amplifiers 23.10.2012
Analog Design Journal Converting single-ended video to differential video in single-supply systems 16.09.2011
Analog Design Journal Using single-supply fully diff. amps with neg. input voltages to drive ADCs 15.11.2010
Anwendungshinweis A Walk Along the Signal Path (High-Speed Signal Path) 30.03.2005

Design und Entwicklung

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Evaluierungsplatine

LMH6554LE-EVAL — Evaluierungsplatine für den LMH6554

The LMH6554LE−EVAL evaluation board is designed to aid in the characterization of TI`s LMH6554 fully differential amplifier in an 14 lead LLP package. The LMH6554 is part of the LMH® high speed amplifier family. Use the evaluation board as a guide for high frequency layout and as a tool to aid (...)

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Simulationsmodell

LMH6554 ADS Model

SNOJ010.ZIP (44 KB) - Spice-Modell
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Simulationsmodell

LMH6554 PSpice Model (Rev. A)

SNOM157A.ZIP (47 KB) - PSpice-Modell
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Berechnungstool

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Referenzdesign

TIDA-00092 — Optimieren des LMH6554 zum Ansteuern von Hochgeschwindigkeits-A/D-Wandlern

This reference design shows the ability of the high-speed amplifier, LMH6554, to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)

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Referenzdesign

TIDA-00093 — Referenzdesign zur Optimierung des THS4509 zum Ansteuern von Highspeed-A/D-Wandlern

This reference design shows the ability of the high-speed amplifier, THS4509 to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
UQFN (NHJ) 14 Ultra Librarian
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