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LMH6554

現行

2.8 GHz 超線性全差動放大器

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產品規格表

LMH6554

現行
產品規格表 立即訂購

產品詳細資料

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 x 2.5
  • 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 2.8 GHz 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 2-V 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 2.8 GHz 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 2-V 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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技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet LMH6554 2.8-GHz Ultra Linear Fully Differential Amplifier datasheet (Rev. P) PDF | HTML 2015年 1月 14日
Application brief Why Use an FDA to Drive an ADC? PDF | HTML 2026年 1月 8日
Application brief Active Filter Design for Differential ADCs (Rev. A) PDF | HTML 2025年 10月 8日
Circuit design Single-ended input to differential output circuit using a fully-differential amp (Rev. A) PDF | HTML 2024年 9月 25日
E-book Engineer's Guide to High-Speed Amplifiers 2023年 10月 18日
Application note Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 2018年 6月 14日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
Application note AN-1719 Noise Figure Analysis Fully Differential Amplifier (Rev. A) 2013年 5月 1日
User guide LMH6554LE-EVAL High Speed Differential Amplifier Evaluation Board (Rev. C) 2013年 5月 1日
Application note AN-2177 Using the LMH6554 as a ADC Driver (Rev. A) 2013年 4月 26日
Application note Using High Speed Diff Amp to Drive ADCs (Rev. A) 2013年 4月 26日
More literature Featured High Speed Differential Amplifiers 2012年 10月 23日
Analog Design Journal Converting single-ended video to differential video in single-supply systems 2011年 9月 16日
Analog Design Journal Using single-supply fully diff. amps with neg. input voltages to drive ADCs 2010年 11月 15日
Application note A Walk Along the Signal Path (High-Speed Signal Path) 2005年 3月 30日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LMH6554LE-EVAL — 適用於 LMH6554 的評估板

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 (...)

使用指南: PDF
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模擬型號

LMH6554 ADS Model

SNOJ010.ZIP (44 KB) - Spice Model
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模擬型號

LMH6554 PSpice Model (Rev. A)

SNOM157A.ZIP (47 KB) - PSpice Model
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計算工具

SBOR022 — TI FDA Calculator

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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一，涵蓋我們的類比和電源產品組合，以及特定類比行為模型，且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前，建立完整的終端設備設計和解決方案原型，進而縮短上市時間並降低開發成本。 

在 PSpice for TI 設計與模擬工具中，您可以搜尋 TI (...)
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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參考設計

TIDA-00093 — 最佳化 THS4509 以驅動高速 ADC 參考設計

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 (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00092 — 將 LMH6554 最佳化以驅動高速 ADC

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 (...)
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
UQFN (NHJ) 14 Ultra Librarian
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