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The OPA690 device represents a major step forward in unity-gain stable, voltage-feedback op amps. A new internal architecture provides slew rate and full-power bandwidth previously found only in wideband, current-feedback op amps. A new output stage architecture delivers high currents with a minimal headroom requirement. These combine to give exceptional single-supply operation. Using a single 5-V supply, the OPA690 can deliver a 1-V to 4-V output swing with over 150 mA drive current and 150 MHz bandwidth. This combination of features makes the OPA690 an ideal RGB line driver or single-supply Analog-to-Digital Converter (ADC) input driver.
The low 5.5-mA supply current of the OPA690 is precisely trimmed at 25°C. This trim, along with low temperature drift, gives lower maximum supply current than competing products. System power may be reduced further using the optional disable control pin. Leaving this disable pin open, or holding it HIGH, operates the OPA690 normally. If pulled LOW, the OPA690 supply current drops to less than 100 µA while the output goes to a high-impedance state. This feature may be used for power savings.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | OPA690 Wideband, Voltage-Feedback Operational Amplifier With Disable datasheet (Rev. G) | PDF | HTML | 10 Aug 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 | ||
| 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 | ||
| Application note | A Numerical Solution to an Analog Problem | 25 Apr 2010 | ||
| User guide | DEM-OPA-SOT-1A User's Guide (Rev. A) | 22 Mar 2006 | ||
| User guide | DEM-OPA-SO-1A User's Guide (Rev. A) | 16 Mar 2006 | ||
| 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.
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| Package | Pins | Download |
|---|---|---|
| SOIC (D) | 8 | View options |
| SOT-23 (DBV) | 6 | View options |
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