LMH5401
8-GHz-Ultrabreitband-Volldifferenzialverstärker
LMH5401
- Gain Bandwidth Product (GBP): 8 GHz
- Excellent Linearity Performance:
DC to 2 GHz, G = 12 dB - Slew Rate: 17,500 V/µs
- Low HD2, HD3 Distortion
(1 VPP, 200 Ω, DE-DE, G = 12 dB):- 100 MHz: HD2 at –104 dBc, HD3 at –96 dBc
- 200 MHz: HD2 at –95 dBc, HD3 at –92 dBc
- 500 MHz: HD2 at –80 dBc, HD3 at –77 dBc
- 1 GHz: HD2 at –64 dBc, HD3 at –58 dBc
- Low IMD2, IMD3 Distortion
(2 VPP, 200 Ω, DE-DE, G = 12 dB):- 200 MHz: IMD2 at –96 dBc, IMD3 at –95 dBc
- 500 MHz: IMD2 at –80 dBc, IMD3 at –83 dBc
- 1 GHz: IMD2 at –70 dBc, IMD3 at –63 dBc
- Input Voltage Noise: 1.25 nV/√Hz
- Input Current Noise: 3.5 pA/√Hz
- Supports Single- and Dual-Supply Operation
- Power Consumption: 55 mA
- Power-Down Feature
The LMH5401 device is a very high-performance, differential amplifier optimized for radio frequency (RF), intermediate frequency (IF), or high-speed, dc-coupled, time-domain applications. The device is ideal for dc- or ac-coupled applications that may require a single-ended-to-differential (SE-DE) conversion when driving an analog-to-digital converter (ADC). The LMH5401 generates very low levels of second- and third-order distortion when operating in SE-DE or differential-to-differential (DE-DE) mode.
The amplifier is optimized for use in both SE-DE and DE-DE systems. The device has unprecedented usable bandwidth from DC to 2 GHz. The LMH5401 can be used for SE-DE conversions in the signal chain without external baluns in a wide range of applications such as test and measurement, broadband communications, and high-speed data acquisition.
A common-mode reference input pin aligns the amplifier output common-mode with the ADC input requirements. Power supplies between 3.3 V and 5 V can be selected and dual-supply operation is supported when required by the application. A power-down feature is also available for power savings.
This level of performance is achieved at a very low power level of 275 mW when a 5-V supply is used. The device is fabricated in Texas Instruments advanced complementary BiCMOS process and is available in a space-saving, UQFN-14 package for higher performance.
Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | LMH5401 8-GHz, Low-Noise, Low-Power, Fully-Differential Amplifier datasheet (Rev. D) | PDF | HTML | 23 Feb 2018 |
E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 28 Mär 2017 | ||
Application note | ADC32RF45: Amplifier to ADC Interface (Rev. A) | 07 Sep 2016 | ||
Technical article | How to use a fully differential amplifier as a level shifter | PDF | HTML | 13 Jul 2016 | |
Technical article | Disentangling RF amplifier specs: amplifier spot noise vs. noise figure | PDF | HTML | 05 Feb 2016 | |
EVM User's guide | TSW12J54EVM User's Guide | 21 Okt 2015 | ||
EVM User's guide | TSW54J60 Evaluation Module User's Guide (Rev. A) | 21 Sep 2015 | ||
Technical article | How to optimize differential amplifier noise | PDF | HTML | 07 Jul 2015 | |
EVM User's guide | LMH5401EVM Evaluation Module (EVM) (Rev. A) | 27 Mär 2015 |
Design und Entwicklung
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
LMH5401EVM — LMH5401-Evaluierungsmodul
The LMH5401EVM is an evaluation module for the single LMH5401 amplifier in a 14-lead high performance RF package. This evaluation module is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test (...)
XMICR-3P-LMH5401 — LMH5401 X-MWblock evaluation modules
X-MWblocks consist of RF and Microwave “drop-in” components that can be used individually for prototyping or in production assemblies. X-MWblocks are easy to test, integrate, align and configure to 60 GHz and beyond. No messy Sweat Soldering or Silver Epoxy processes are required. (...)
LMH5401 TINA Reference Design (Rev. B)
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Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
UQFN (RMS) | 14 | Ultra Librarian |
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