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LMH6554

활성

2.8 GHz 초선형 완전 차동 증폭기

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데이터 시트

LMH6554

활성
데이터 시트 지금 주문하기

제품 상세 정보

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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기술 자료

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15개 모두 보기
상위 문서 유형 직함 형식 옵션 날짜
* Data sheet LMH6554 2.8-GHz Ultra Linear Fully Differential Amplifier datasheet (Rev. P) PDF | HTML 2015/01/14
Application brief Why Use an FDA to Drive an ADC? PDF | HTML 2026/01/08
Application brief Active Filter Design for Differential ADCs (Rev. A) PDF | HTML 2025/10/08
Circuit design Single-ended input to differential output circuit using a fully-differential amp (Rev. A) PDF | HTML 2024/09/25
E-book Engineer's Guide to High-Speed Amplifiers 2023/10/18
Application note Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs 2018/06/14
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017/03/28
Application note AN-1719 Noise Figure Analysis Fully Differential Amplifier (Rev. A) 2013/05/01
User guide LMH6554LE-EVAL High Speed Differential Amplifier Evaluation Board (Rev. C) 2013/05/01
Application note AN-2177 Using the LMH6554 as a ADC Driver (Rev. A) 2013/04/26
Application note Using High Speed Diff Amp to Drive ADCs (Rev. A) 2013/04/26
More literature Featured High Speed Differential Amplifiers 2012/10/23
Analog Design Journal Converting single-ended video to differential video in single-supply systems 2011/09/16
Analog Design Journal Using single-supply fully diff. amps with neg. input voltages to drive ADCs 2010/11/15
Application note A Walk Along the Signal Path (High-Speed Signal Path) 2005/03/30

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

LMH6554LE-EVAL — LMH6554용 평가 보드

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 (...)

사용 설명서: PDF
TI.com에서 구매할 수 없음
시뮬레이션 모델

LMH6554 ADS Model

SNOJ010.ZIP (44 KB) - Spice Model
다운로드
시뮬레이션 모델

LMH6554 PSpice Model (Rev. A)

SNOM157A.ZIP (47 KB) - PSpice Model
다운로드
계산 툴

SBOR022 — TI FDA Calculator

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시뮬레이션 툴

PSPICE-FOR-TI — TI 설계 및 시뮬레이션 툴용 PSpice®

TI용 PSpice®는 아날로그 회로의 기능을 평가하는 데 사용되는 설계 및 시뮬레이션 환경입니다. 완전한 기능을 갖춘 이 설계 및 시뮬레이션 제품군은 Cadence®의 아날로그 분석 엔진을 사용합니다. 무료로 제공되는 TI용 PSpice에는 아날로그 및 전력 포트폴리오뿐 아니라 아날로그 행동 모델에 이르기까지 업계에서 가장 방대한 모델 라이브러리 중 하나가 포함되어 있습니다.

TI 설계 및 시뮬레이션 환경용 PSpice는 기본 제공 라이브러리를 이용해 복잡한 혼합 신호 설계를 시뮬레이션할 수 있습니다. 레이아웃 및 제작에 착수하기 (...)
요청
시뮬레이션 툴

TINA-TI — SPICE 기반 아날로그 시뮬레이션 프로그램

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 (...)
사용 설명서: PDF
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레퍼런스 디자인

TIDA-00093 — 고속 ADC 구동을 위한 THS4509 최적화 레퍼런스 설계

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
회로도: PDF
레퍼런스 디자인

TIDA-00092 — 고속 ADC 가동을 위한 LMH6554 최적화

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
회로도: PDF
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포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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