Product details

Architecture Fixed Gain/Buffer Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 3 Total supply voltage (Max) (+5V=5, +/-5V=10) 10 GBW (Typ) (MHz) 1750 BW @ Acl (MHz) 1750 Acl, min spec gain (V/V) 1 Slew rate (Typ) (V/us) 4580 Vn at flatband (Typ) (nV/rtHz) 3.9 Vn at 1 kHz (Typ) (nV/rtHz) 13 Iq per channel (Typ) (mA) 10 Vos (offset voltage @ 25 C) (Max) (mV) 1 Rating Catalog Operating temperature range (C) -40 to 85 Output current (Typ) (mA) 74 2nd harmonic (dBc) 58 3rd harmonic (dBc) 53 @ MHz 20
Architecture Fixed Gain/Buffer Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 3 Total supply voltage (Max) (+5V=5, +/-5V=10) 10 GBW (Typ) (MHz) 1750 BW @ Acl (MHz) 1750 Acl, min spec gain (V/V) 1 Slew rate (Typ) (V/us) 4580 Vn at flatband (Typ) (nV/rtHz) 3.9 Vn at 1 kHz (Typ) (nV/rtHz) 13 Iq per channel (Typ) (mA) 10 Vos (offset voltage @ 25 C) (Max) (mV) 1 Rating Catalog Operating temperature range (C) -40 to 85 Output current (Typ) (mA) 74 2nd harmonic (dBc) 58 3rd harmonic (dBc) 53 @ MHz 20
SOIC (D) 8 19 mm² 4.9 x 3.9 SOT-23 (DBV) 5 5 mm² 2.9 x 1.6
  • Closed-Loop Buffer
  • 1750MHz Small Signal Bandwidth
  • 4580V/μs Slew Rate
  • 0.06% / 0.02° Differential Gain/Phase
  • −52dBc THD at 20MHz
  • Single Supply Operation (3V Min.)
  • 75mA Output Current

All trademarks are the property of their respective owners.

  • Closed-Loop Buffer
  • 1750MHz Small Signal Bandwidth
  • 4580V/μs Slew Rate
  • 0.06% / 0.02° Differential Gain/Phase
  • −52dBc THD at 20MHz
  • Single Supply Operation (3V Min.)
  • 75mA Output Current

All trademarks are the property of their respective owners.

The LMH6559 is a high-speed, closed-loop buffer designed for applications requiring the processing of very high frequency signals. While offering a small signal bandwidth of 1750MHz, and an ultra high slew rate of 4580V/μs the LMH6559 consumes only 10mA of quiescent current. Total harmonic distortion into a load of 100Ω at 20MHz is −52dBc. The LMH6559 is configured internally for a loop gain of one. Input resistance is 200kΩ and output resistance is but 1.2Ω. These characteristics make the LMH6559 an ideal choice for the distribution of high frequency signals on printed circuit boards. Differential gain and phase specifications of 0.06% and 0.02° respectively at 3.58MHz make the LMH6559 well suited for the buffering of video signals.

The device is fabricated on Texas Instruments' high-speed VIP10 process using TI's proven high performance circuit architectures.

The LMH6559 is a high-speed, closed-loop buffer designed for applications requiring the processing of very high frequency signals. While offering a small signal bandwidth of 1750MHz, and an ultra high slew rate of 4580V/μs the LMH6559 consumes only 10mA of quiescent current. Total harmonic distortion into a load of 100Ω at 20MHz is −52dBc. The LMH6559 is configured internally for a loop gain of one. Input resistance is 200kΩ and output resistance is but 1.2Ω. These characteristics make the LMH6559 an ideal choice for the distribution of high frequency signals on printed circuit boards. Differential gain and phase specifications of 0.06% and 0.02° respectively at 3.58MHz make the LMH6559 well suited for the buffering of video signals.

The device is fabricated on Texas Instruments' high-speed VIP10 process using TI's proven high performance circuit architectures.

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Technical documentation

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Type Title Date
* Data sheet LMH6559 High-Speed, Closed-Loop Buffer datasheet (Rev. C) 18 Mar 2013
Technical article How to reduce distortion in high-voltage, high-frequency signal generation for AWGs 30 Oct 2018
Technical article What are the advantages of using JFET-input amplifiers in high-speed applications? 19 Jun 2018
Technical article Unique active mux capability combines buffer and switch into one solution 10 Oct 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Technical article How to minimize filter loss when you drive an ADC 20 Oct 2016
User guide AN-2095 LMH730316 SOT23-5 / SOT23-6 Hi Performance Amplifier Eval Board (Rev. B) 01 May 2013

Design & development

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Reference designs

TIDA-00826 — 50-Ohm 2-GHz Oscilloscope Front-end Reference Design

This reference design is part of an analog front-end for 50Ω-input oscilloscope application. System designers can readily use this evaluation platform to process input signals from DC to 2 GHz in both frequency-domain and time-domain applications.
Package Pins Download
SOIC (D) 8 View options
SOT-23 (DBV) 5 View options

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