Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 BW at Acl (MHz) 400 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 3000 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 6 Iq per channel (typ) (mA) 20 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 5 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 75 2nd harmonic (dBc) 92 3rd harmonic (dBc) 103 Frequency of harmonic distortion measurement (MHz) 5 GBW (typ) (MHz) 400 Input bias current (max) (pA) 16000000 Features Shutdown CMRR (typ) (dB) 82 Rating Catalog
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 BW at Acl (MHz) 400 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 3000 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 6 Iq per channel (typ) (mA) 20 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 5 Operating temperature range (°C) -40 to 85 Iout (typ) (mA) 75 2nd harmonic (dBc) 92 3rd harmonic (dBc) 103 Frequency of harmonic distortion measurement (MHz) 5 GBW (typ) (MHz) 400 Input bias current (max) (pA) 16000000 Features Shutdown CMRR (typ) (dB) 82 Rating Catalog
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • 400 MHz –3-dB Bandwidth (VOUT = 0.5 VPP)
  • 90 MHz 0.1-dB Bandwidth
  • 3000 V/µs Slew Rate
  • 8 ns Settling Time to 0.1%
  • –92/–103 dB HD2/HD3 at 5 MHz
  • 10 ns Shutdown/Enable
  • 400 MHz –3-dB Bandwidth (VOUT = 0.5 VPP)
  • 90 MHz 0.1-dB Bandwidth
  • 3000 V/µs Slew Rate
  • 8 ns Settling Time to 0.1%
  • –92/–103 dB HD2/HD3 at 5 MHz
  • 10 ns Shutdown/Enable

The LMH6550 device is a high-performance voltage feedback differential amplifier. The LMH6550 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 LMH6550 can handle a wide range of video and data formats.

With external gain set resistors, the LMH6550 can be used at any desired gain. Gain flexibility coupled with high speed makes the LMH6550 suitable for use as an IF amplifier in high-performance communications equipment.

The LMH6550 is available in the space-saving SOIC and VSSOP packages.

The LMH6550 device is a high-performance voltage feedback differential amplifier. The LMH6550 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 LMH6550 can handle a wide range of video and data formats.

With external gain set resistors, the LMH6550 can be used at any desired gain. Gain flexibility coupled with high speed makes the LMH6550 suitable for use as an IF amplifier in high-performance communications equipment.

The LMH6550 is available in the space-saving SOIC and VSSOP packages.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet LMH6550 Differential, High-Speed Operational Amplifier datasheet (Rev. I) PDF | HTML Jan 15, 2015
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017
Application note AN-1719 Noise Figure Analysis Fully Differential Amplifier (Rev. A) May 1, 2013
Application note Using High Speed Diff Amp to Drive ADCs (Rev. A) Apr 26, 2013
EVM User's guide LMH730154 High Speed Differential Amplifier Evaluation Board May 6, 2012
Analog design Journal Converting single-ended video to differential video in single-supply systems Sep 16, 2011
White paper Intermediate Frequency (IF) Sampling Receiver Concepts May 31, 2006
White paper High-Performance Analog Front Ends Jan 1, 2006
Application note Understanding High-Speed Signals, Clocks, and Data Capture Oct 18, 2005
Application note A Walk Along the Signal Path (High-Speed Signal Path) Mar 30, 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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LMH6550 PSPICE Model

SNOM153.ZIP (2 KB) - PSpice model
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VSSOP (DGK) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian

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