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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | General Purpose |
| NumberofCircuits | 2 |
| SlewRate | 0.8V/µs |
| GainBandwidthProduct | 1 MHz |
| Current-InputBias | 500 pA |
| Voltage-InputOffset | 10 µV |
| Current-Supply | 790µA (x2 Channels) |
| Current-Output/Channel | 35 mA |
| Voltage-SupplySpan(Min) | 4 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The OPA2277U/2K5 is a precision operational amplifier from Texas Instruments. This device is designed for applications requiring low noise, high accuracy, and stability. It features a very low offset voltage and low drift with temperature changes, making it suitable for high-precision applications. The OPA2277U/2K5 is part of the OPA2277 series, which is known for its excellent DC performance, including low bias current and low offset current.
Key specifications include a wide supply voltage range, low total harmonic distortion, and a wide bandwidth. The amplifier is typically housed in a surface-mount package, facilitating easy integration into various electronic designs. Its robust performance makes it an ideal choice for instrumentation, medical devices, and data acquisition systems where high accuracy is paramount.
The "/2K5" part of the name typically indicates the packaging or order quantity specifics, such as the number of units per reel, which is relevant for bulk purchasing and manufacturing processes. Overall, the OPA2277U/2K5 is a versatile and reliable choice for precision electronic applications.
Key specifications include a wide supply voltage range, low total harmonic distortion, and a wide bandwidth. The amplifier is typically housed in a surface-mount package, facilitating easy integration into various electronic designs. Its robust performance makes it an ideal choice for instrumentation, medical devices, and data acquisition systems where high accuracy is paramount.
The "/2K5" part of the name typically indicates the packaging or order quantity specifics, such as the number of units per reel, which is relevant for bulk purchasing and manufacturing processes. Overall, the OPA2277U/2K5 is a versatile and reliable choice for precision electronic applications.
Equivalent
The OPA2277U/2K5 is a precision operational amplifier. Equivalent products might include the LT1013, OP2177, or AD708, which offer similar precision and low offset voltage. However, it's important to check specific parameters like bandwidth, input bias current, and supply voltage range to ensure compatibility with your application. Always refer to the respective datasheets for detailed comparisons.
Features
The OPA2277U/2K5 is a precision operational amplifier known for its low noise and high precision. Key features include:
1. Low Noise: This op-amp offers low noise levels, approximately 8 nV/√Hz, making it suitable for applications requiring minimal signal interference.
2. High Precision: The OPA2277U/2K5 provides excellent precision with low offset voltage and drift, ensuring accurate performance over time and varying conditions.
3. Low Distortion: It has low total harmonic distortion, making it ideal for audio and other sensitive signal processing applications.
4. Wide Supply Range: It operates over a wide supply voltage range, typically from ±2.5V to ±18V, providing flexibility for various applications.
5. High Slew Rate: With a slew rate of around 0.8 V/μs, it can handle rapid changes in input signal levels efficiently.
6. Rail-to-Rail Output: This feature allows the op-amp to utilize the full range of the supply voltage, maximizing the dynamic range.
7. Stability: It is unity-gain stable, ensuring reliable operation in a wide range of amplifier configurations.
These features make the OPA2277U/2K5 suitable for precision instrumentation, data acquisition, and other high-performance applications.
1. Low Noise: This op-amp offers low noise levels, approximately 8 nV/√Hz, making it suitable for applications requiring minimal signal interference.
2. High Precision: The OPA2277U/2K5 provides excellent precision with low offset voltage and drift, ensuring accurate performance over time and varying conditions.
3. Low Distortion: It has low total harmonic distortion, making it ideal for audio and other sensitive signal processing applications.
4. Wide Supply Range: It operates over a wide supply voltage range, typically from ±2.5V to ±18V, providing flexibility for various applications.
5. High Slew Rate: With a slew rate of around 0.8 V/μs, it can handle rapid changes in input signal levels efficiently.
6. Rail-to-Rail Output: This feature allows the op-amp to utilize the full range of the supply voltage, maximizing the dynamic range.
7. Stability: It is unity-gain stable, ensuring reliable operation in a wide range of amplifier configurations.
These features make the OPA2277U/2K5 suitable for precision instrumentation, data acquisition, and other high-performance applications.
Pinout
The OPA2277U/2K5 is a precision operational amplifier from Texas Instruments. It is a dual op-amp, which means it contains two operational amplifiers in a single package. The package type for the OPA2277U is an 8-pin SOIC (Small Outline Integrated Circuit). Here is a brief overview of the pin functions:
1. Pin 1 (OUT A): Output of the first operational amplifier.
2. Pin 2 (IN- A): Inverting input of the first operational amplifier.
3. Pin 3 (IN+ A): Non-inverting input of the first operational amplifier.
4. Pin 4 (V-): Negative power supply voltage (ground or negative rail).
5. Pin 5 (IN+ B): Non-inverting input of the second operational amplifier.
6. Pin 6 (IN- B): Inverting input of the second operational amplifier.
7. Pin 7 (OUT B): Output of the second operational amplifier.
8. Pin 8 (V+): Positive power supply voltage.
The OPA2277 is known for its low offset voltage, low noise, and high precision, making it suitable for a variety of applications requiring precise analog signal processing.
1. Pin 1 (OUT A): Output of the first operational amplifier.
2. Pin 2 (IN- A): Inverting input of the first operational amplifier.
3. Pin 3 (IN+ A): Non-inverting input of the first operational amplifier.
4. Pin 4 (V-): Negative power supply voltage (ground or negative rail).
5. Pin 5 (IN+ B): Non-inverting input of the second operational amplifier.
6. Pin 6 (IN- B): Inverting input of the second operational amplifier.
7. Pin 7 (OUT B): Output of the second operational amplifier.
8. Pin 8 (V+): Positive power supply voltage.
The OPA2277 is known for its low offset voltage, low noise, and high precision, making it suitable for a variety of applications requiring precise analog signal processing.
Manufacturer
The OPA2277U/2K5 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. Headquartered in Dallas, Texas, TI is one of the top ten semiconductor companies worldwide, known for its innovation and contributions to the electronics and semiconductor industries. The company focuses on developing analog chips and embedded processors, which are essential components in a wide range of electronic devices and systems.
Application
The OPA2277U/2K5 is a precision operational amplifier known for its low noise, low offset voltage, and high precision. It is typically used in applications requiring high accuracy and stability. Common application areas include:
1. Sensor Signal Conditioning: Amplifying low-level signals from sensors with minimal distortion.
2. Data Acquisition Systems: Ensuring accurate data conversion by providing a stable signal.
3. Medical Instrumentation: Used in devices where precision and reliability are critical.
4. Test and Measurement Equipment: Enhancing the accuracy of measurements.
5. Process Control Systems: Offering reliable performance in industrial environments.
These applications benefit from the OPA2277's precision, making it suitable for demanding analog circuit designs.
1. Sensor Signal Conditioning: Amplifying low-level signals from sensors with minimal distortion.
2. Data Acquisition Systems: Ensuring accurate data conversion by providing a stable signal.
3. Medical Instrumentation: Used in devices where precision and reliability are critical.
4. Test and Measurement Equipment: Enhancing the accuracy of measurements.
5. Process Control Systems: Offering reliable performance in industrial environments.
These applications benefit from the OPA2277's precision, making it suitable for demanding analog circuit designs.
Package
The OPA2277U/2K5 is an operational amplifier from Texas Instruments, and it comes in an SOIC (Small Outline Integrated Circuit) package type. The "/2K5" indicates that it is supplied in a reel with 2,500 units.