OPA4277UAAlternatives & Equivalent Parts
About OPA4277UA
OPA4277UA is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | OPA4277UASource | 74LVC2G14DW-7 | OPA4277UA/2K5 | AT24C256C-SSHL-B | MCP4728A4T-E/UNVAO | G6SK-2-DC5 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Diodes Inc. | Texas Instruments | Microchip | Microchip | Omron Electronics |
| Package Type | Small Outline Packages | SOT23 (6-Pin) | Small Outline Packages | Small Outline Packages | Small Outline Packages | Other |
| Pin Count | 14 | 6 | 14 | 8 | 10 | 10 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $1.0918 | $0.0100 | $2.0440 | $0.4129 | $1.9000 | $3.1600 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | Yes | — | Yes |
| YTEOL | 15 | 6 | 15 | 14 | 13 | 7.87 |
| Amplifier Type | OPERATIONAL AMPLIFIER | — | OPERATIONAL AMPLIFIER | — | — | — |
| Architecture | VOLTAGE-FEEDBACK | — | VOLTAGE-FEEDBACK | — | — | — |
| Average Bias Current-Max (IIB) | 0.004 µA | — | 0.004 µA | — | — | — |
| Bias Current-Max (IIB) @25C | 0.0028 µA | — | 0.0028 µA | — | — | — |
| Common-mode Reject Ratio-Min | 115 dB | — | 115 dB | — | — | — |
| Common-mode Reject Ratio-Nom | 140 dB | — | 140 dB | — | — | — |
| Frequency Compensation | YES | — | YES | — | — | — |
| Input Offset Current-Max (IIO) | 0.0028 µA | — | 0.0028 µA | — | — | — |
| Input Offset Voltage-Max | 50 µV | — | 50 µV | — | — | — |
| JESD-30 Code | R-PDSO-G14 | R-PDSO-G6 | R-PDSO-G14 | R-PDSO-G8 | S-PDSO-G10 | — |
| JESD-609 Code | e4 | e3 | e4 | e3 | e3 | — |
| Low-Bias | NO | — | NO | — | — | — |
| Low-Offset | YES | — | YES | — | — | — |
| Micropower | YES | — | YES | — | — | — |
| Neg Supply Voltage Limit-Max | -18 V | — | -18 V | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | -15 V | — | -15 V | — | — | — |
| Number of Functions | 4 | 2 | 4 | 1 | 1 | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOP14,.25 | — | SOP14,.25 | SOP8,.23 | TSSOP10,.19,20 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — |
| Packing Method | TUBE | — | TR | — | — | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — | — |
| Power | NO | — | NO | — | — | — |
| Programmable Power | NO | — | NO | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — |
| Slew Rate-Nom | 0.8 V/us | — | 0.8 V/us | — | — | — |
| Subcategory | Operational Amplifier | — | Operational Amplifier | — | — | — |
| Supply Current-Max | 3.6 mA | — | 3.6 mA | 0.003 mA | 1.4 mA | — |
| Supply Voltage Limit-Max | 18 V | — | 18 V | — | — | — |
| Supply Voltage-Nom (Vsup) | 15 V | 3.3 V | 15 V | 3 V | — | — |
| Surface Mount | YES | YES | YES | YES | YES | NO |
| Technology | BIPOLAR | CMOS | BIPOLAR | CMOS | — | — |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 1.27 mm | 0.65 mm | 1.27 mm | 1.27 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | — | — |
| Unity Gain BW-Nom | 1000 | — | 1000 | — | — | — |
| Voltage Gain-Min | 1995000 | — | 1995000 | — | — | — |
| Wideband | NO | — | NO | — | — | — |
| ## OPA4277UA Alternates Showing results | Image | — | — | — | — | — |
| Reach Compliance Code | — | Compliant | Compliant | — | — | Unknown |
| Factory Lead Time | — | 12 Weeks | — | 7 Weeks | 20 Weeks | — |
| Family | — | LVC/LCX/Z | — | — | — | — |
| Logic IC Type | — | INVERTER | — | — | — | — |
| Number of Inputs | — | 1 | — | — | — | — |
| Propagation Delay (tpd) | — | 12 ns | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | 1.65 V | — | 2.5 V | — | — |
| ## 74LVC2G14DW-7 Alternates Showing results | — | Image | — | — | — | — |
| Manufacturer Package Code | — | — | — | SOIC-8 | MSOP-10 | — |
| Additional Feature | — | — | — | ALSO OPERATES 1.7V TO 5.5V @0.4MHZ | — | — |
| Clock Frequency-Max (fCLK) | — | — | — | 1 MHz | — | — |
| Data Retention Time-Min | — | — | — | 100 | — | — |
| Endurance | — | — | — | 1000000 Write/Erase Cycles | — | — |
| I2C Control Byte | — | — | — | 1010DDDR | — | — |
| Memory Density | — | — | — | 262144 bit | — | — |
| Memory IC Type | — | — | — | EEPROM | — | — |
| Memory Width | — | — | — | 8 | — | — |
| Number of Ports | — | — | — | 1 | — | — |
| Number of Words | — | — | — | 32768 words | — | — |
| Number of Words Code | — | — | — | 32000 | — | — |
| Operating Mode | — | — | — | SYNCHRONOUS | — | — |
| Organization | — | — | — | 32KX8 | — | — |
| Output Characteristics | — | — | — | OPEN-DRAIN | — | — |
| Parallel/Serial | — | — | — | SERIAL | — | — |
| Programming Voltage | — | — | — | 3 V | — | — |
| Screening Level | — | — | — | TS 16949 | AEC-Q100 | — |
| Serial Bus Type | — | — | — | I2C | — | — |
| Standby Current-Max | — | — | — | 0.000006 A | — | — |
| Write Cycle Time-Max (tWC) | — | — | — | 5 ms | — | — |
| Write Protection | — | — | — | HARDWARE | — | — |
| ## AT24C256C-SSHL-B Alternates Showing results | — | — | — | Image | — | — |
| Analog Output Voltage-Max | — | — | — | — | 5.5 V | — |
| Converter Type | — | — | — | — | D/A CONVERTER | — |
| Input Bit Code | — | — | — | — | BINARY | — |
| Input Format | — | — | — | — | SERIAL | — |
| Linearity Error-Max (EL) | — | — | — | — | 0.3174% | — |
| Number of Bits | — | — | — | — | 12 | — |
| Settling Time-Nom (tstl) | — | — | — | — | 6 µs | — |
| Supply Voltage-Nom | — | — | — | — | 5 V | — |
| ## MCP4728A4T-E/UNVAO Alternates Showing results | — | — | — | — | Image | — |
| Body Breadth | — | — | — | — | — | 7.3 mm |
| Body Height | — | — | — | — | — | 9.2 mm |
| Body Length or Diameter | — | — | — | — | — | 14.8 mm |
| Coil Current(DC)-Max | — | — | — | — | — | 0.04 A |
| Coil Operate Voltage(DC) | — | — | — | — | — | 3.75 V |
| Coil Power | — | — | — | — | — | 200 mW |
| Coil Release Voltage(DC) | — | — | — | — | — | 3.75 V |
| Coil Resistance | — | — | — | — | — | 125 Ω |
| Coil Voltage(DC)-Max | — | — | — | — | — | 5 V |
| Coil/Input Supply Type | — | — | — | — | — | DC |
| Contact (AC) Max Rating R Load | — | — | — | — | — | .5A@125VAC |
| Contact Current(AC)-Max | — | — | — | — | — | 0.5 A |
| Contact Current(DC)-Max | — | — | — | — | — | 2 A |
| Contact (DC) Max Rating R Load | — | — | — | — | — | 2A@30VDC |
| Contact Voltage(AC)-Max | — | — | — | — | — | 125 V |
| Contact Voltage(DC)-Max | — | — | — | — | — | 30 V |
| Contact/Output Supply Type | — | — | — | — | — | AC/DC |
| Mounting Feature | — | — | — | — | — | THROUGH HOLE-STRAIGHT |
| Operate Time | — | — | — | — | — | 4.5 ms |
| Physical Dimension | — | — | — | — | — | 14.8mm x 7.3mm x 9.2mm |
| Reference Standard | — | — | — | — | — | CSA; UL |
| Relay Action | — | — | — | — | — | LATCHED |
| Relay Function | — | — | — | — | — | DPDT |
| Relay Type | — | — | — | — | — | POWER/SIGNAL RELAY |
| Release Time | — | — | — | — | — | 4.5 ms |
| Termination Type | — | — | — | — | — | SOLDER |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for OPA4277UA — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for OPA4277UA is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating OPA4277UA replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to OPA4277UA?
Known equivalents for OPA4277UA include 74LVC2G14DW-7, OPA4277UA/2K5, AT24C256C-SSHL-B. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OPA4277UA?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify OPA4277UA alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.