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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | General Purpose |
| NumberofCircuits | 1 |
| SlewRate | 0.8V/µs |
| GainBandwidthProduct | 1 MHz |
| Current-InputBias | 500 pA |
| Voltage-InputOffset | 10 µV |
| Current-Supply | 790µA |
| 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 OPA277U/2K5 is a precision operational amplifier from Texas Instruments, known for its low offset voltage, low drift, and high open-loop gain, making it suitable for precision applications. It features low noise and excellent linearity, which are crucial for high-accuracy instrumentation and measurement systems. The amplifier operates on a wide supply voltage range and offers low power consumption, enabling its use in battery-powered devices.
With a single or dual-supply operation capability, the OPA277U/2K5 can be used in a variety of circuit configurations. Its rail-to-rail output swing maximizes the dynamic range, enhancing performance in data acquisition systems. The device comes in a standard SOIC package, which is conducive to compact circuit designs.
Applications for the OPA277U/2K5 include sensor signal conditioning, medical instrumentation, and precision data acquisition systems. Its robust design ensures stability and reliability in demanding environments, making it a go-to choice for designers seeking precision and durability in their analog signal processing applications.
With a single or dual-supply operation capability, the OPA277U/2K5 can be used in a variety of circuit configurations. Its rail-to-rail output swing maximizes the dynamic range, enhancing performance in data acquisition systems. The device comes in a standard SOIC package, which is conducive to compact circuit designs.
Applications for the OPA277U/2K5 include sensor signal conditioning, medical instrumentation, and precision data acquisition systems. Its robust design ensures stability and reliability in demanding environments, making it a go-to choice for designers seeking precision and durability in their analog signal processing applications.
Equivalent
The OPA277U/2K5 is a precision operational amplifier. Equivalent products include:
1. AD8675 by Analog Devices
2. LT1013 by Analog Devices
3. LMC6482 by Texas Instruments
4. MAX44248 by Maxim Integrated
These alternatives offer similar precision and low-noise performance, but specifications should be checked to ensure compatibility for your specific application.
1. AD8675 by Analog Devices
2. LT1013 by Analog Devices
3. LMC6482 by Texas Instruments
4. MAX44248 by Maxim Integrated
These alternatives offer similar precision and low-noise performance, but specifications should be checked to ensure compatibility for your specific application.
Features
The OPA277U/2K5 is a precision operational amplifier known for its low noise and high DC accuracy. Key features include:
1. Low Offset Voltage: It has a very low input offset voltage, enhancing precision in applications requiring high accuracy.
2. Low Noise: The amplifier is designed with low noise characteristics, making it suitable for sensitive signal processing.
3. Wide Supply Range: It can operate over a wide supply voltage range, typically between ±2V to ±18V, offering flexibility in different applications.
4. High Open-Loop Gain: Provides a high open-loop gain, which ensures excellent performance in feedback systems.
5. Low Offset Voltage Drift: Minimal offset voltage drift over temperature, ensuring stability and reliability over a wide temperature range.
6. Unity-Gain Stability: The OPA277U/2K5 is stable at unity gain, which simplifies its use in a variety of applications.
These features make the OPA277U/2K5 ideal for precision instrumentation and other applications requiring high accuracy and low noise.
1. Low Offset Voltage: It has a very low input offset voltage, enhancing precision in applications requiring high accuracy.
2. Low Noise: The amplifier is designed with low noise characteristics, making it suitable for sensitive signal processing.
3. Wide Supply Range: It can operate over a wide supply voltage range, typically between ±2V to ±18V, offering flexibility in different applications.
4. High Open-Loop Gain: Provides a high open-loop gain, which ensures excellent performance in feedback systems.
5. Low Offset Voltage Drift: Minimal offset voltage drift over temperature, ensuring stability and reliability over a wide temperature range.
6. Unity-Gain Stability: The OPA277U/2K5 is stable at unity gain, which simplifies its use in a variety of applications.
These features make the OPA277U/2K5 ideal for precision instrumentation and other applications requiring high accuracy and low noise.
Pinout
The OPA277U/2K5 is a high-precision operational amplifier from Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin configuration is as follows:
1. Pin 1 (Offset Null): Used to adjust the offset voltage of the op-amp.
2. Pin 2 (Inverting Input): The inverting input terminal of the op-amp.
3. Pin 3 (Non-Inverting Input): The non-inverting input terminal.
4. Pin 4 (V- or GND): The negative power supply terminal or ground.
5. Pin 5 (Offset Null): Another pin to adjust the offset voltage.
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+ or Vcc): The positive power supply terminal.
8. Pin 8 (No Connection or NC): Not internally connected, often used for mechanical support.
The OPA277 is designed for precision applications with low offset voltage and low drift, making it suitable for use in instrumentation, medical equipment, and other applications requiring high accuracy and stability.
1. Pin 1 (Offset Null): Used to adjust the offset voltage of the op-amp.
2. Pin 2 (Inverting Input): The inverting input terminal of the op-amp.
3. Pin 3 (Non-Inverting Input): The non-inverting input terminal.
4. Pin 4 (V- or GND): The negative power supply terminal or ground.
5. Pin 5 (Offset Null): Another pin to adjust the offset voltage.
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+ or Vcc): The positive power supply terminal.
8. Pin 8 (No Connection or NC): Not internally connected, often used for mechanical support.
The OPA277 is designed for precision applications with low offset voltage and low drift, making it suitable for use in instrumentation, medical equipment, and other applications requiring high accuracy and stability.
Manufacturer
The OPA277U/2K5 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and serves a broad spectrum of industries, including automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation in analog technology, digital signal processing, and microcontroller technology. The company was founded in 1930 and has its headquarters in Dallas, Texas. TI is recognized for its focus on research and development, allowing it to produce advanced semiconductor solutions that are integral to modern electronic systems.
Application
The OPA277U/2K5 is a precision operational amplifier known for its low offset voltage and drift, low bias current, and low noise. Key application areas include:
1. Instrumentation and Measurement: Used in precision data acquisition systems and instrumentation where accuracy is critical.
2. Signal Conditioning: Ideal for filtering, buffering, and amplifying signals in sensor applications.
3. Medical Equipment: Employed in medical diagnostic devices where precision and stability are required.
4. Test Equipment: Used in test and measurement equipment for accurate signal processing.
5. Industrial Controls: Applicable in control systems where high precision is necessary.
Its robust performance and reliability make it suitable for a range of high-precision and low-noise applications.
1. Instrumentation and Measurement: Used in precision data acquisition systems and instrumentation where accuracy is critical.
2. Signal Conditioning: Ideal for filtering, buffering, and amplifying signals in sensor applications.
3. Medical Equipment: Employed in medical diagnostic devices where precision and stability are required.
4. Test Equipment: Used in test and measurement equipment for accurate signal processing.
5. Industrial Controls: Applicable in control systems where high precision is necessary.
Its robust performance and reliability make it suitable for a range of high-precision and low-noise applications.
Package
The OPA277U/2K5 is a precision operational amplifier from Texas Instruments, featuring an 8-pin SOIC (Small Outline Integrated Circuit) package type. The "2K5" indicates the quantity per reel for tape and reel packaging, specifically 2,500 units.
