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The OPA843 provides a level of speed and dynamic range previously unattainable in a monolithic op amp. Using a high Gain Bandwidth (GBW), two gain-stage design, the OPA843 gives a medium gain range device with exceptional dynamic range. The "classic" differential input complements this high dynamic range with DC precision beyond most high-speed amplifier products. Very low input offset voltage and current, high Common-Mode Rejection Ratio (CMRR) and Power-Supply Rejection Ratio (PSRR), and high open-loop gain combine to give a high DC precision amplifier along with low noise and high 3rd-order intercept.
12- to 16-bit converter interfaces will benefit from this combination of features. High-speed transimpedance applications can be implemented with exceptional DC precision as well. Differential configurations using two OPA843s can deliver very low distortion to high output voltages, as shown below.
| Top-Dokumentation | Typ | Titel | Format-Optionen | Datum |
|---|---|---|---|---|
| * | Data sheet | Wideband, Low Distortion, Medium Gain, Voltage-Feedback Operational Amp datasheet (Rev. C) | 30 Dez 2008 | |
| E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 28 Mär 2017 | ||
| Application note | RLC Filter Design for ADC Interface Applications (Rev. A) | 13 Mai 2015 | ||
| User guide | DEM-OPA-SO-1A User's Guide (Rev. B) | 12 Apr 2012 | ||
| User guide | DEM-OPA-SOT-1A User's Guide (Rev. B) | 12 Apr 2012 | ||
| Analog Design Journal | Using a decompensated op amp for improved performance | 11 Mär 2005 | ||
| Application note | Noise Analysis for High Speed Op Amps (Rev. A) | 17 Jan 2005 | ||
| Application note | ADS5500, OPA695: PC Board Layout for Low Distortion High-Speed ADC Drivers | 22 Apr 2004 | ||
| Application note | Measuring Board Parasitics in High-Speed Analog Design | 07 Jul 2003 |
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The DEM-OPA-SO-1A demonstration fixture helps designers evaluate the operation and performance of TI's High Speed, Wide Bandwidth Operational Amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead SOIC (D) package.
DEM-OPA-SOT-1A ist ein Demonstrationsplatine, die den Betrieb und die Leistung von Hochgeschwindigkeits-Operationsverstärkern mit großer Bandbreite evaluiert. Diese unbestückte Platine ist mit Produkten kompatibel, die im Small-Outline-Transistor-DBV-Gehäuse (SOT) angeboten werden.
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 |
| SOT-23 (DBV) | 5 | Ultra Librarian |
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Analog Engineer's Calc Installer
General calculator tool for analog design support.