Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 BW at Acl (MHz) 370 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 2400 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 6 Iq per channel (typ) (mA) 12.5 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 5 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 65 2nd harmonic (dBc) 94 3rd harmonic (dBc) 96 Frequency of harmonic distortion measurement (MHz) 5 GBW (typ) (MHz) 370 Input bias current (max) (pA) 10000000 CMRR (typ) (dB) 80 Rating Catalog
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 BW at Acl (MHz) 370 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 2400 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 6 Iq per channel (typ) (mA) 12.5 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 5 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 65 2nd harmonic (dBc) 94 3rd harmonic (dBc) 96 Frequency of harmonic distortion measurement (MHz) 5 GBW (typ) (MHz) 370 Input bias current (max) (pA) 10000000 CMRR (typ) (dB) 80 Rating Catalog
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • 370 MHz –3-dB Bandwidth
    (VOUT = 0.5 VPP)
  • 50 MHz 0.1-dB Bandwidth
  • 2400 V/µs Slew Rate
  • 18 ns Settling Time to 0.05%
  • –94/–96 dB HD2/HD3 at 5 MHz
  • 370 MHz –3-dB Bandwidth
    (VOUT = 0.5 VPP)
  • 50 MHz 0.1-dB Bandwidth
  • 2400 V/µs Slew Rate
  • 18 ns Settling Time to 0.05%
  • –94/–96 dB HD2/HD3 at 5 MHz

The LMH6551 device is a high-performance voltage feedback differential amplifier and is part of the LMH integrated circuits family of devices. The LMH6551 has the high speed and low distortion necessary for driving high-performance ADCs as well as the current handling capability to drive signals over balanced transmission lines like CAT 5 data cables. The LMH6551 can handle a wide range of video and data formats.

With external gain set resistors, the LMH6551 can be used at any desired gain. Gain flexibility coupled with high speed makes the LMH6551 suitable for use as an IF amplifier in high-performance communications equipment.

The LMH6551 is available in the space-saving SOIC and VSSOP packages.

The LMH6551 device is a high-performance voltage feedback differential amplifier and is part of the LMH integrated circuits family of devices. The LMH6551 has the high speed and low distortion necessary for driving high-performance ADCs as well as the current handling capability to drive signals over balanced transmission lines like CAT 5 data cables. The LMH6551 can handle a wide range of video and data formats.

With external gain set resistors, the LMH6551 can be used at any desired gain. Gain flexibility coupled with high speed makes the LMH6551 suitable for use as an IF amplifier in high-performance communications equipment.

The LMH6551 is available in the space-saving SOIC and VSSOP packages.

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Technical documentation

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Type Title Date
* Data sheet LMH6551 Differential, High-Speed Op Amp datasheet (Rev. D) PDF | HTML 19 Jan 2015
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note AN-1719 Noise Figure Analysis Fully Differential Amplifier (Rev. A) 01 May 2013
Application note Using High Speed Diff Amp to Drive ADCs (Rev. A) 26 Apr 2013
More literature Featured High Speed Differential Amplifiers 23 Oct 2012
EVM User's guide LMH730154 High Speed Differential Amplifier Evaluation Board 06 May 2012
Analog Design Journal Converting single-ended video to differential video in single-supply systems 16 Sep 2011
White paper Intermediate Frequency (IF) Sampling Receiver Concepts 31 May 2006
Application note Understanding High-Speed Signals, Clocks, and Data Capture 18 Oct 2005
Application note A Walk Along the Signal Path (High-Speed Signal Path) 30 Mar 2005

Design & development

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Evaluation board

LMH730154 — Evaluation Board for High-Speed Single Differential Amplifier in the 8-Pin SOIC Package

Texas Instruments offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Differential Amplifier that are offered in the 8-Pin SOIC package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit (...)

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Simulation model

LMH6551 PSPICE Model

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Supported products & hardware

Supported products & hardware

Products
Fully differential amplifiers
LMH6550 400MHz, Differential, High Speed Op Amps LMH6551 370MHz, Differential, High Speed Op Amp LMH6552 1.5 GHz Fully Differential Amplifier LMH6553 900 MHz Fully Differential Amplifier with Output Limiting Clamp LMH6554 2.8 GHz Ultra Linear Fully Differential Amplifier LMP8350 Ultra Low Distortion Fully Differential Precision ADC Driver with Selectable Power Modes OPA862 12.6V, Low-noise, single-ended-to-differential, high input impedance amplifier THS4120 3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifier w/Shutdown THS4121 3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifier THS4130 150MHz, Fully Differential Input/Output Low Noise Amplifier With Shutdown THS4131 Fully Differential Input/Output Low Noise Amplifier THS4140 160MHz, Fully Differential Input/Output High Slew Rate Amplifier With Shutdown THS4141 160MHz, Fully Differential Input/Output High Slew Rate Amplifier THS4150 150MHz, Fully Differential Input/Output High Slew Rate Amplifier With Shutdown THS4151 150MHz, Fully Differential Input/Output High Slew Rate Amplifier THS4500 15V, High-Speed Fully Differential Amplifier with power-down THS4501 High-Speed Fully Differential Amplifier, +/-5 V THS4503 High-Speed Fully-Differential Amplifiers THS4504 Wideband, Low Distortion Fully Differential Amplifier with Shutdown THS4505 Wideband, Low-Distortion Fully Differential Amplifier THS4508 Wideband Fully Differential Amplifier THS4509 1.9-GHz, Wideband, Low-Noise, Low-Distortion, Fully-Differential Amplifier THS4511 1.6-GHz, unity-gain stable, wideband, low-noise, low distortion fully differential amplifier THS4513 1.6-GHz, min gain 1-V/V, low-noise, low distortion fully differential amplifier THS4520 Rail-to-Rail Output Wideband Fully Differential Amplifier THS4521 Very low power rail-to-rail output fully differential amplifier THS4522 Very low power dual channel rail-to-rail output fully differential amplifier THS4524 Very low power quad channel rail-to-rail output fully differential amplifier THS4531 Ultra low power 0.25mA, RRO, fully differential amplifier THS4531A Ultra Low Power, RRO, Fully-Differential Amplifier THS4532 Dual, Ultra low power 0.25mA, RRO, fully differential amplifier THS4541 High-Speed Differential I/O Amplifier THS4551 Low Noise, Precision, 150MHz, Fully Differential Amplifier THS4552 Dual Channel, Low-Noise, Precision, 150-MHz, Fully Differential Amplifier THS4561 Low-power, 60-MHz, wide-supply-range fully differential amplifier THS4567 220-MHz CMOS input fully differential amplifier with VICM and VOCM control THS770006 High-Speed Fully Differential ADC Driver Amplifier with +6dB Fixed Gain
Audio op amps
OPA1637 High-fidelity, high-voltage (36-V), low-noise (3.7-nV/rtHz) Burr-Brown™ audio fully-differential amp
Precision op amps (Vos<1mV)
THP210 High precision (40-μV, 0.1μV/C), high-voltage (36-V), low-noise (3.7-nV/√Hz), fully-differential amp
RF FDAs
LMH3401 7-GHz, Ultra-Wideband, Fully Differential Amplifier LMH5401 8-GHz Ultra wideband fully differential amplifier
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Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

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