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Data sheet
LMH6554
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- 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.
Technical documentation
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View all 9 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LMH6554 2.8-GHz Ultra Linear Fully Differential Amplifier datasheet (Rev. P) | PDF | HTML | 14 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 | ||
| User guide | LMH6554LE-EVAL High Speed Differential Amplifier Evaluation Board (Rev. C) | 01 May 2013 | ||
| Application note | AN-2177 Using the LMH6554 as a ADC Driver (Rev. A) | 26 Apr 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 | ||
| Analog Design Journal | Converting single-ended video to differential video in single-supply systems | 16 Sep 2011 | ||
| Application note | A Walk Along the Signal Path (High-Speed Signal Path) | 30 Mar 2005 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
LMH6554LE-EVAL — Evaluation board for the LMH6554
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 (...)
User guide: PDF
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool
TINA-TI — SPICE-based analog simulation program
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 (...)
User guide: PDF
Reference designs
TIDA-00093 — Optimizing THS4509 to Drive High Speed ADCs Reference Design
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 (...)
Reference designs
TIDA-00092 — Optimizing LMH6554 to Drive High Speed ADCs
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 (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| UQFN (NHJ) | 14 | Ultra Librarian |
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