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The OPA2674 provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the OPA2674 consumes a low 9mA/ch quiescent current to deliver a very high 500mA output current. This output current supports even the most demanding ADSL CPE requirements with > 380mA minimum output current (+25°C minimum value) with low harmonic distortion. Differential driver applications deliver < –85dBc distortion at the peak upstream power levels of full rate ADSL. The high 200MHz bandwidth also supports the most demanding VDSL line driver requirements.
Power control features are included in the SO-14 package version to allow system power to be minimized. Two logic control lines allow four quiescent power settings. These include full power, power cutback for short loops, idle state for no signal transmission but line match maintenance, and shutdown for power off with a high impedance output.
Specified on ±6V supplies (to support +12V operation), the OPA2674 will also support a single +5V or dual ±5V supply. Video applications will benefit from a very high output current to drive up to 10 parallel video loads (15Ω) with < 0.1%/0.1° dG/dP nonlinearity.
| Top-Dokumentation | Typ | Titel | Format-Optionen | Datum |
|---|---|---|---|---|
| * | Data sheet | Dual Wideband High Output Current Operational Amplifier with Current Limit datasheet (Rev. C) | 28 Aug 2008 | |
| Technical article | 3 common questions when designing with high-speed amplifiers | PDF | HTML | 17 Jul 2020 | |
| E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 28 Mär 2017 | ||
| User guide | DEM-OPA-SO-2A User's Guide (Rev. B) | 30 Apr 2010 | ||
| Application note | Wireline Data Transmission and Reception | 27 Jan 2010 | ||
| User guide | DEM-OPA-MSOP-2A User's Guide (Rev. A) | 25 Mai 2006 | ||
| User guide | DEM-OPA-SO-2D User's Guide (Rev. A) | 25 Mai 2006 | ||
| Application note | Noise Analysis for High Speed Op Amps (Rev. A) | 17 Jan 2005 | ||
| Application note | Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance | 28 Apr 2004 | ||
| Application note | Measuring Board Parasitics in High-Speed Analog Design | 07 Jul 2003 | ||
| Application note | Current Feedback Amplifiers: Review, Stability Analysis, and Applications | 20 Nov 2000 |
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The DEM-OPA-SO-2A demonstration evaluation module helps designers evaluate the operation and performance of TI dual-channel, high-speed, wideband operational amplifiers. This unpopulated printed-circuit board (PCB) is compatible with products offered in the 8-lead SOIC (D) package.
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The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| SOIC (D) | 14 | Ultra Librarian |
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Analog Engineer's Calc Installer
General calculator tool for analog design support.