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Data sheet
LMH6553
- 900 MHz −3 dB Small Signal
Bandwidth @ AV = 1 - 670 MHz −3 dB Large Signal
Bandwidth @ AV = 1 - −79 dB THD @ 20 MHz
- −92 dB IMD3 @ fc = 20 MHz
- 10 ns Settling Time to 0.1%
- 600 ps Clamp Overdrive Recovery Time
- 40 mV Clamp Accuracy with 100% Overdrive
- −0.1 mV/°C Clamp Temperature Drift
- 4.5 to 12 Supply Voltage Operation
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The LMH6553 is a 900 MHz differential amplifier with an integrated adjustable output limiting clamp. The clamp increases system performance and provides transient over-voltage protection to following stages. The internal clamp feature of the LMH6553 reduces or eliminates the need for external discrete overload protection networks. When used to drive ADCs, the amplifier's output clamp allows low voltage ADC inputs to be protected from being overdriven and damaged by large input signals appearing at the system input. Fast overdrive recovery of 600 ps ensures the amplifier output rapidly recovers from a clamping event and quickly resumes to follow the input signal. The LMH6553 delivers exceptional bandwidth, distortion, and noise performance ideal for driving ADCs up to 14-bits. The LMH6553 could also be used for automotive, communication, medical, test and measurement, video, and LIDAR applications.
With external gain set resistors and integrated common mode feedback, the LMH6553 can be configured as either a differential input to differential output or single ended input to differential output gain block. The LMH6553 can be AC or DC coupled at the input which makes it suitable for a wide range of applications including communication systems and high speed oscilloscope front ends. The LMH6553 is available in 8-pin SO PowerPAD and 8-pin WSON packages, and is part of our LMH high speed amplifier family.
Technical documentation
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View all 9 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LMH6553 900 MHz Fully Differential Amplifier With Output Limiting Clamp datasheet (Rev. H) | 18 Mar 2013 | |
| 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 | LMH6553SDEVAL High Speed Differential Amplifier Evaluation Board (Rev. A) | 01 May 2013 | ||
| Application note | Using High Speed Diff Amp to Drive ADCs (Rev. A) | 26 Apr 2013 | ||
| Analog Design Journal | Converting single-ended video to differential video in single-supply systems | 16 Sep 2011 | ||
| Application note | Adaptive Speed Control for Automotive Systems | 20 Nov 2007 | ||
| Application note | Selecting Amplifiers, ADCs, and Clocks for High-Performance Signal Paths | 13 Sep 2007 | ||
| Application note | A Walk Along the Signal Path (High-Speed Signal Path) | 30 Mar 2005 |
Design & development
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Evaluation board
LMH6553SDEVAL — LMH6553SDEVAL High Speed Differential Amplifier Evaluation Board
The LMH6553SDEVAL evaluation board is designed to aid in the characterization of TI`s LMH6553 fully differential amplifier with output limiting clamp in an 8-pin LLP package. The LMH6553 is part of the LMH® high speed amplifier family. Use the evaluation board as a guide for high frequency (...)
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
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HSOIC (DDA) | 8 | Ultra Librarian |
| WSON (NGS) | 8 | Ultra Librarian |
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