Part Details for OPA655U by Texas Instruments
Results Overview of OPA655U by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
OPA655U Information
OPA655U by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Price & Stock for OPA655U
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
OPA655U-ND
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DigiKey | IC VOLTAGE FEEDBACK 1 CIRC 8SOIC Container: Tube |
0 Tube |
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Buy Now | |
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Chip 1 Exchange | INSTOCK | 470 |
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RFQ |
US Tariff Estimator: OPA655U by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for OPA655U
OPA655U CAD Models
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OPA655U Part Data Attributes
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OPA655U
Texas Instruments
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Datasheet
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OPA655U
Texas Instruments
Operational Amplifier, 1 Func, 2000uV Offset-Max, BICMOS, PDSO8
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Package Description | Soic-8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Amplifier Type | Operational Amplifier | |
| Architecture | Voltage-Feedback | |
| Average Bias Current-Max (IIB) | 0.008 µA | |
| Bias Current-Max (IIB) @25C | 0.000125 µA | |
| Common-mode Reject Ratio-Min | 55 Db | |
| Common-mode Reject Ratio-Nom | 70 Db | |
| Frequency Compensation | Yes | |
| Input Offset Voltage-Max | 2000 µV | |
| JESD-30 Code | R-PDSO-G8 | |
| Length | 4.9 Mm | |
| Low-Bias | Yes | |
| Low-Offset | No | |
| Micropower | No | |
| Neg Supply Voltage Limit-Max | -5.5 V | |
| Neg Supply Voltage-Nom (Vsup) | -5 V | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Power | No | |
| Programmable Power | No | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Slew Rate-Min | 200 V/Us | |
| Slew Rate-Nom | 290 V/Us | |
| Supply Current-Max | 31 Ma | |
| Supply Voltage Limit-Max | 5.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Bicmos | |
| Temperature Grade | Industrial | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Unity Gain BW-Nom | 240000 | |
| Voltage Gain-Min | 320 | |
| Wideband | Yes | |
| Width | 3.9 Mm |
Alternate Parts for OPA655U
This table gives cross-reference parts and alternative options found for OPA655U. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of OPA655U, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| OPA655U-1 | Texas Instruments | Check for Price | Operational Amplifier, 1 Func, 2000uV Offset-Max, BICMOS, PDSO8 | OPA655U vs OPA655U-1 |
OPA655U Frequently Asked Questions (FAQ)
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The maximum power dissipation of the OPA655U is 1.4W, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 90°C/W.
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To ensure stability, it's recommended to use a compensation capacitor (CC) between the output and the inverting input pins. The value of CC depends on the gain and bandwidth requirements, but a good starting point is 10-22pF.
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To minimize noise and oscillations, it's recommended to use a star-ground configuration, keep the input and output traces short and away from each other, and use a solid ground plane. Additionally, decouple the power supplies with 0.1uF and 10uF capacitors.
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Yes, the OPA655U can be used as a unity-gain buffer, but it's not recommended due to its high bandwidth and potential for oscillations. Instead, consider using a dedicated unity-gain buffer op-amp like the OPA633 or OPA634.
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To protect the OPA655U from overvoltage and ESD damage, use voltage clamps or transient voltage suppressors (TVS) on the input and output pins. Additionally, follow proper ESD handling and storage procedures to prevent damage during manufacturing and assembly.