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10µV, 0.1µV/°C, High-Precision, Low-Power Operational Amplifier 8-SOIC -40 to 85
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.
OPA2277UA/2K5E4 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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Cytech Systems Limited | 1000 |
|
RFQ | ||
|
Vyrian | Amplifiers | 3553 |
|
RFQ |
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OPA2277UA/2K5E4
Texas Instruments
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Datasheet
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OPA2277UA/2K5E4
Texas Instruments
10µV, 0.1µV/°C, High-Precision, Low-Power Operational Amplifier 8-SOIC -40 to 85
|
Pbfree Code | Yes | |
Rohs Code | Yes | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
Part Package Code | SOIC | |
Package Description | GREEN, PLASTIC, MS-012AA, SOIC-8 | |
Pin Count | 8 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.33.00.01 | |
Samacsys Manufacturer | Texas Instruments | |
Amplifier Type | OPERATIONAL AMPLIFIER | |
Architecture | VOLTAGE-FEEDBACK | |
Average Bias Current-Max (IIB) | 0.004 µA | |
Bias Current-Max (IIB) @25C | 0.001 µA | |
Common-mode Reject Ratio-Min | 130 dB | |
Common-mode Reject Ratio-Nom | 140 dB | |
Frequency Compensation | YES | |
Input Offset Current-Max (IIO) | 0.0028 µA | |
Input Offset Voltage-Max | 20 µV | |
JESD-30 Code | R-PDSO-G8 | |
JESD-609 Code | e4 | |
Length | 4.9 mm | |
Low-Bias | NO | |
Low-Offset | YES | |
Micropower | YES | |
Moisture Sensitivity Level | 3 | |
Neg Supply Voltage Limit-Max | -18 V | |
Neg Supply Voltage-Nom (Vsup) | -15 V | |
Number of Functions | 2 | |
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 | |
Packing Method | TR | |
Peak Reflow Temperature (Cel) | 260 | |
Power | NO | |
Programmable Power | NO | |
Qualification Status | Not Qualified | |
Seated Height-Max | 1.75 mm | |
Slew Rate-Min | 0.8 V/us | |
Slew Rate-Nom | 0.8 V/us | |
Supply Current-Max | 1.65 mA | |
Supply Voltage Limit-Max | 18 V | |
Supply Voltage-Nom (Vsup) | 15 V | |
Surface Mount | YES | |
Technology | BIPOLAR | |
Temperature Grade | INDUSTRIAL | |
Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
Terminal Form | GULL WING | |
Terminal Pitch | 1.27 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Unity Gain BW-Nom | 1000 | |
Voltage Gain-Min | 1995000 | |
Wideband | NO | |
Width | 3.9 mm |
This table gives cross-reference parts and alternative options found for OPA2277UA/2K5E4. 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 OPA2277UA/2K5E4, 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 |
---|---|---|---|---|
OPA2277UA/2K5 | Texas Instruments | $2.3254 | 10µV, 0.1µV/°C, High-Precision, Low-Power Operational Amplifier 8-SOIC -40 to 85 | OPA2277UA/2K5E4 vs OPA2277UA/2K5 |
OPA2277UA | Texas Instruments | $3.8369 | 10µV, 0.1µV/°C, High-Precision, Low-Power Operational Amplifier 8-SOIC -40 to 85 | OPA2277UA/2K5E4 vs OPA2277UA |
The maximum power dissipation of the OPA2277UA is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
To ensure stability in a unity-gain configuration, it's recommended to add a capacitor (typically 10-22pF) between the output and the inverting input pins to compensate for the op-amp's internal capacitance.
To minimize noise and EMI, it's recommended to use a star-ground configuration, keep the input and output traces short and away from each other, and use a ground plane to shield the op-amp from external noise sources.
The OPA2277UA is rated for operation up to 125°C, but its performance may degrade at higher temperatures. If you need to operate the op-amp in a high-temperature environment, consider using a heat sink or a thermally-enhanced package.
The choice of resistor values depends on the desired gain, bandwidth, and noise performance. A good starting point is to use a ratio of 1:1 to 10:1 for the feedback resistors, and then adjust based on the specific application requirements.