The OPA820 device provides a wideband, unity-gain stable, voltage-feedback amplifier with a very-low input-noise voltage and high-output current using a low 5.6-mA supply current. At unity-gain, the OPA820 device gives more than 800-MHz bandwidth with less than 1-dB peaking. The OPA820 device complements this high-speed operation with excellent DC precision in a low-power device. A worst-case input-offset voltage of ±750 µV and an offset current of ±400 nA provide excellent absolute DC precision for pulse amplifier applications.
Minimal input and output voltage-swing headroom allow the OPA820 device to operate on a single 5-V supply with more than 2-VPP output swing. While not a rail-to-rail (RR) output, this swing supports most emerging analog-to-digital converter (ADC) input ranges with lower power and noise than typical RR output op amps.
Exceptionally low dG/dP (0.01% or 0.03°) supports low-cost composite-video line-driver applications. Existing designs can use the industry-standard pinout, 8-pin SOIC package while emerging high-density portable applications can use the 5-pin SOT-23. Offering the lowest thermal impedance of the industry in a SOT package, along with full specification over both the commercial and industrial temperature ranges, provides solid performance over a wide temperature range.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | OPA820 Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier datasheet (Rev. D) | PDF | HTML | 12 Dec 2016 |
| E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 28 Mar 2017 | ||
| Application note | RLC Filter Design for ADC Interface Applications (Rev. A) | 13 May 2015 | ||
| Application note | Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A) | 08 May 2015 | ||
| 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 |
For additional terms or required resources, click any title below to view the detail page where available.
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 is a demonstration board that evaluates the operation and performance of high-speed, wide-bandwidth operational amplifiers. This unpopulated PC board is compatible with products offered in the small-outline transistor (SOT) DBV package.
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 (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| 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.