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OP-AMP, 100uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8
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.
OPA277UA/2K5G4 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.
Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Amplifiers | 1596 |
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RFQ | |
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Win Source Electronics | IC OPAMP GP 1MHZ 8SOIC | 45040 |
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$0.7167 / $0.9257 | Buy Now |
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OPA277UA/2K5G4
Texas Instruments
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Datasheet
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OPA277UA/2K5G4
Texas Instruments
OP-AMP, 100uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8
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Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
Package Description | GREEN, PLASTIC, MS-012AA, SOIC-8 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.33.00.01 | |
Samacsys Manufacturer | Texas Instruments | |
Amplifier Type | OPERATIONAL AMPLIFIER | |
Average Bias Current-Max (IIB) | 0.004 µA | |
Common-mode Reject Ratio-Nom | 140 dB | |
Input Offset Voltage-Max | 100 µV | |
JESD-30 Code | R-PDSO-G8 | |
Length | 4.9 mm | |
Neg Supply Voltage Limit-Max | -18 V | |
Neg Supply Voltage-Nom (Vsup) | -15 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 Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE | |
Seated Height-Max | 1.75 mm | |
Slew Rate-Nom | 0.8 V/us | |
Supply Voltage Limit-Max | 18 V | |
Supply Voltage-Nom (Vsup) | 15 V | |
Surface Mount | YES | |
Temperature Grade | INDUSTRIAL | |
Terminal Form | GULL WING | |
Terminal Pitch | 1.27 mm | |
Terminal Position | DUAL | |
Unity Gain BW-Nom | 1000 | |
Width | 3.9 mm |
This table gives cross-reference parts and alternative options found for OPA277UA/2K5G4. 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 OPA277UA/2K5G4, 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 |
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OPA277UA/2K5 | Texas Instruments | $1.6543 | Dual, 36-V, 10µV offset, 0.1µV/°C drift, bipolar, operational amplifier 8-SOIC -40 to 85 | OPA277UA/2K5G4 vs OPA277UA/2K5 |
OPA277PA | Texas Instruments | $1.8633 | Dual, 36-V, 10µV offset, 0.1µV/°C drift, bipolar, operational amplifier 8-PDIP | OPA277UA/2K5G4 vs OPA277PA |
OPA277UA | Texas Instruments | $2.8109 | Dual, 36-V, 10µV offset, 0.1µV/°C drift, bipolar, operational amplifier 8-SOIC -40 to 85 | OPA277UA/2K5G4 vs OPA277UA |
OPA277PA | Burr-Brown Corp | Check for Price | Operational Amplifier, 1 Func, 100uV Offset-Max, BIPolar, PDIP8, DIP-8 | OPA277UA/2K5G4 vs OPA277PA |
OPA277UAE4 | Texas Instruments | Check for Price | Dual, 36-V, 10µV offset, 0.1µV/°C drift, bipolar, operational amplifier 8-SOIC -40 to 85 | OPA277UA/2K5G4 vs OPA277UAE4 |
OPA277UA | Burr-Brown Corp | Check for Price | Operational Amplifier, 1 Func, 100uV Offset-Max, BIPolar, PDSO8, SO-8 | OPA277UA/2K5G4 vs OPA277UA |
Texas Instruments provides a recommended PCB layout in the datasheet, which includes guidelines for component placement, trace routing, and grounding. Additionally, it's essential to follow good PCB design practices, such as minimizing noise coupling, using a solid ground plane, and keeping signal traces short and direct.
The choice of input and output capacitors depends on the specific application and frequency range. As a general rule, use low-ESR capacitors with a value between 10nF to 100nF for input decoupling, and 100nF to 1uF for output filtering. Consult the datasheet and application notes for more specific guidance.
The maximum power dissipation of the OPA277UA/2K5G4 is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 1.4W at 25°C, but this can be derated to 0.7W at 85°C. Ensure proper thermal management and heat sinking to prevent overheating.
Yes, the OPA277UA/2K5G4 can be used as a unity-gain buffer. However, it's essential to ensure that the input signal is within the common-mode range of the op-amp, and that the output is not loaded excessively. Additionally, consider the noise and distortion performance of the op-amp in this configuration.
To protect the OPA277UA/2K5G4 from EMI, use proper shielding, grounding, and filtering techniques. Ensure that the op-amp is placed in a shielded area, and that all input and output traces are properly filtered and terminated. Additionally, consider using EMI-absorbing materials and shielding cans to reduce radiation.