OPA277UA

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OPA277UA

+BOM

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #OPA277UA

  • 재고1958

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package / Case Bulk,Tube
Part Status Active
Amplifier Type General Purpose
Number of Circuits 1
Slew Rate 0.8V/µs
Gain Bandwidth Product 1 MHz
Current - Input Bias 500 pA
Voltage - Input Offset 20 µV
Supply Current 790µA
Current - Output / Channel 35 mA
Voltage - Supply Span(Min) 4 V
Voltage - Supply Span(Max) 36 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

개요

Description

The OPA277UA is a precision operational amplifier from Texas Instruments, designed for high-performance applications requiring low offset voltage and low drift. It is part of the OPA277 series, known for its excellent DC precision and AC performance. The amplifier offers low noise, low bias current, and high open-loop gain, making it suitable for precision signal processing. With a wide supply voltage range (±2V to ±18V), the OPA277UA is versatile and can be used in various applications, including data acquisition systems, medical instrumentation, and industrial process controls. It features a unique offset voltage compensation circuit, ensuring improved accuracy over temperature and time. The package type "UA" refers to the SOIC (Small Outline Integrated Circuit) package, which is suitable for space-constrained applications. The device is designed for both single and dual power supplies and offers output swing close to the rails, enhancing its usability in many designs. Overall, the OPA277UA is a reliable choice for precision and stability in analog circuits.

Equivalent

The OPA277UA is a precision operational amplifier known for low offset voltage and low noise. Equivalent products include:
1. LT1013: A dual precision operational amplifier by Analog Devices.
2. OP07: A classic precision operational amplifier also widely available from multiple manufacturers.
3. OPA227: A similar precision op-amp from Texas Instruments, offering low offset and drift.
4. AD708: A precision dual op-amp from Analog Devices focusing on low noise and offset.
Ensure compatibility by verifying specific application requirements and specifications.

Features

The OPA277UA is a precision operational amplifier known for its high accuracy and stability. Key features include:
1. Low Offset Voltage: Typically around 10 µV, which ensures minimal error in signal amplification.

2. Low Drift: The amplifier exhibits a low input offset voltage drift, typically 0.1 µV/°C, enhancing performance across varying temperatures.
3. Low Bias Current: Input bias current is typically 0.2 nA, which is beneficial for applications requiring high input impedance.
4. Wide Supply Voltage Range: Compatible with both single and dual power supplies, it operates within ±4V to ±18V ranges.
5. Low Noise: Offers low voltage noise density, around 8 nV/√Hz at 1 kHz, making it suitable for low-noise applications.
6. High Open-Loop Gain: Typically greater than 120 dB, ensuring high accuracy in feedback applications.
7. Rail-to-Rail Output: Provides close-to-supply rail output swing, maximizing dynamic range.
8. Wide Bandwidth: A gain-bandwidth product of 1 MHz, suitable for a variety of signal processing tasks.
These features make the OPA277UA ideal for precision applications such as instrumentation, data acquisition systems, and active filters.

Pinout

The OPA277UA is an operational amplifier from Texas Instruments. It is designed for precision applications and comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin count and functions:
1. Pin 1 (Offset Null): Used to adjust the offset voltage of the amplifier.
2. Pin 2 (Inverting Input): The inverting input terminal for the operational amplifier.
3. Pin 3 (Non-Inverting Input): The non-inverting input terminal.
4. Pin 4 (V- or GND): Negative power supply or ground terminal.
5. Pin 5 (Offset Null): Used in conjunction with Pin 1 for offset voltage adjustment.
6. Pin 6 (Output): The output terminal of the operational amplifier.
7. Pin 7 (V+ or VCC): Positive power supply terminal.
8. Pin 8 (NC): No connection; it is not internally connected to the device.
The OPA277UA is known for its low offset voltage, low drift, and high precision, making it suitable for data acquisition and sensor interfacing applications.

Manufacturer

The OPA277UA is manufactured by Texas Instruments (TI), a global semiconductor design and manufacturing company. Texas Instruments is well-known for its development and production of a wide range of electronic components, including analog and embedded processing chips. As a major player in the electronics industry, TI serves various sectors such as automotive, industrial, personal electronics, communications, and enterprise systems. The company focuses on innovation and technology development, providing essential components that enable electronic systems in numerous applications.

Application

The OPA277UA is a precision operational amplifier known for its low offset voltage, low drift, and low power consumption. Key application areas include:
1. Instrumentation Amplifiers: Used in precision measurement systems.
2. Data Acquisition: Enhances accuracy in ADC systems.
3. Sensor Signal Conditioning: Ideal for amplifying low-level sensor outputs.
4. Medical Instrumentation: Suitable for patient monitoring equipment.
5. Strain Gauge Amplifiers: Provides stable and accurate signal processing.
6. Precision Filters: Useful in high-accuracy filtering applications.
7. Test Equipment: Ensures reliable performance and precision.
8. Industrial Process Controls: Used in automation and control systems for enhanced stability.
These applications leverage the amplifier's precision and reliability in critical and sensitive environments.

Package

The OPA277UA is an operational amplifier with a standard SOIC-8 (Small Outline Integrated Circuit) package type. This surface-mount package has eight pins and is commonly used for applications requiring precision amplification.

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