| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| OPA642UG4 | Rochester Electronics LLC | Check for Price | OP-AMP, 4000 uV OFFSET-MAX, 210 MHz BAND WIDTH, PDSO8, PLASTIC, SOIC-8 | OPA642U vs OPA642UG4 |
| OPA642UG4 | Texas Instruments | Check for Price | Operational Amplifier, 1 Func, BIPolar, PDSO8 | OPA642U vs OPA642UG4 |
| OPA642UB/2K5 | Burr-Brown Corp | Check for Price | Operational Amplifier, 1 Func, 1000uV Offset-Max, BIPolar, PDSO8 | OPA642U vs OPA642UB/2K5 |
Part Details for OPA642U by Texas Instruments
Results Overview of OPA642U by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (3 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (4 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.
OPA642U Information
OPA642U 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 OPA642U
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Quest Components | IC,OP-AMP,SINGLE,BIPOLAR,SOP,8PIN,PLASTIC | 361 |
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$11.0112 / $15.4845 | Buy Now |
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Vyrian | Operational Amplifier, 1 Func, BIPolar, PDSO8 | 8503 |
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RFQ |
US Tariff Estimator: OPA642U 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.
OPA642U CAD Models
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OPA642U Part Data Attributes
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OPA642U
Texas Instruments
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Datasheet
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OPA642U
Texas Instruments
Operational Amplifier, 1 Func, BIPolar, PDSO8
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| Pbfree Code | No | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Plastic, Soic-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Amplifier Type | Operational Amplifier | |
| JESD-30 Code | R-PDSO-G8 | |
| Length | 4.9 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Industrial | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Width | 3.905 Mm |
Alternate Parts for OPA642U
This table gives cross-reference parts and alternative options found for OPA642U. 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 OPA642U, 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.
OPA642U Frequently Asked Questions (FAQ)
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For optimal performance, it is recommended to follow a star-ground layout, keep the input and output traces short and away from noise sources, and use a solid ground plane. Additionally, decoupling capacitors should be placed close to the power pins, and the device should be operated within its recommended operating conditions.
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The high input bias current of the OPA642U can be handled by using a low-impedance source, such as a voltage divider or a buffer amplifier, to drive the input. Additionally, the input bias current can be compensated for by using a matched resistor network or by using an amplifier with a low input bias current.
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The OPA642U can drive a maximum capacitive load of 100 pF, but it is recommended to limit the capacitive load to 10 pF or less to ensure stability and optimal performance.
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To ensure stability and prevent oscillations, it is recommended to follow the recommended layout and PCB design guidelines, use a solid ground plane, and decouple the power pins with capacitors. Additionally, the device should be operated within its recommended operating conditions, and the input and output traces should be kept short and away from noise sources.
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The recommended power supply decoupling for the OPA642U is to use a 0.1 μF ceramic capacitor in parallel with a 10 μF tantalum capacitor, placed close to the power pins. This helps to filter out noise and ensure stable operation.