OPA227U/2K5

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OPA227U/2K5

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  • FabricanteTexas Instruments

  • Peça do Fabricante #OPA227U/2K5

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 1
SlewRate 2.3V/µs
GainBandwidthProduct 8 MHz
Current-InputBias 2.5 nA
Voltage-InputOffset 5 µV
Current-Supply 3.7mA
Current-Output/Channel 45 mA
Voltage-SupplySpan(Min) 5 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Visão Geral

Description

The OPA227U/2K5 is a precision operational amplifier (op-amp) known for its low noise, low offset voltage, and high precision performance. It is often used in applications that require accurate signal processing, such as instrumentation, data acquisition, and control systems. The "U" in its name refers to the package type, which is typically a small-outline integrated circuit (SOIC), and "2K5" denotes the quantity in tape and reel packaging, indicating it is supplied in units of 2,500.
Key features of the OPA227 include a low input offset voltage of around 75 µV, low input bias current, and a high common-mode rejection ratio (CMRR). It operates over a wide supply voltage range and has a wide bandwidth, making it suitable for both low-frequency and high-frequency applications. The device's low distortion and noise make it ideal for precision applications where signal integrity is crucial. Its robustness and reliability make it a popular choice among engineers designing high-performance analog circuits.

Equivalent

The OPA227U/2K5 is a precision operational amplifier. Equivalent products from other manufacturers include the AD8671 from Analog Devices, LT1001 from Analog Devices/Linear Technology, and the MAX4238 from Maxim Integrated. When considering equivalents, make sure to verify key parameters such as supply voltage range, input offset voltage, bandwidth, and package type to ensure they meet your specific application requirements.

Features

The OPA227U/2K5 is a precision operational amplifier known for its high performance and reliability. Key features include:
1. Low Offset Voltage: It offers an exceptionally low offset voltage of 10 µV, enhancing accuracy in precision applications.
2. Low Noise: With a low noise density of 3 nV/√Hz, it ensures minimal interference and high signal integrity.
3. Low Drift: Its low drift characteristics (0.1 µV/°C) improve stability over temperature variations.
4. Wide Supply Range: Operates with a dual supply of ±2.5V to ±18V, or a single supply of 5V to 36V, making it versatile for various applications.
5. High Open-Loop Gain: Provides a high open-loop gain of 120 dB, which enhances precision by ensuring greater linearity and accuracy.
6. High Common-Mode Rejection Ratio (CMRR): Offers a CMRR of 120 dB, reducing errors due to common-mode signals.
7. Package: Available in an 8-pin SOIC package, suitable for compact and space-constrained designs.
These features make the OPA227U/2K5 ideal for applications that require precision, such as data acquisition systems, medical instrumentation, and high-resolution audio.

Pinout

The OPA227U/2K5 is a low-noise precision operational amplifier from Texas Instruments. It is typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin functions:
1. Pin 1 (Offset Null 1): Used for offset voltage adjustment if necessary.
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-): The negative power supply voltage.
5. Pin 5 (Offset Null 2): Used for offset voltage adjustment similar to Pin 1.
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+): The positive power supply voltage.
8. Pin 8 (No Connection or NC): Generally not internally connected; can be used for stability in circuit design.
The OPA227U is valued for its low offset voltage, low noise, and high precision, making it suitable for applications requiring accurate and stable operation.

Manufacturer

The OPA227U/2K5 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of electronic components. These components include analog chips and embedded processors, which are essential for electronics across various industries such as automotive, industrial, personal electronics, and communications. TI is well-known for its innovation and development of technologies that help advance electronics for improved performance and efficiency. The company has a long-standing history and reputation in the semiconductor industry, being one of the largest and most influential manufacturers in the world.

Application

The OPA227U/2K5 is a precision operational amplifier renowned for its low noise, low offset voltage, and high precision. It is commonly used in applications that require accurate signal amplification and processing. Key application areas include:
1. Data Acquisition Systems: Enhances accuracy in converting analog signals to digital.
2. Medical Instrumentation: Provides precision in sensitive equipment like ECGs.
3. Test and Measurement Equipment: Offers reliability in signal testing and analysis tools.
4. Industrial Process Controls: Ensures precision in automated control systems.
5. Transducer Amplifiers: Amplifies signals from sensors with minimal distortion.
These applications leverage its stability, low drift, and high performance.

Package

The OPA227U/2K5 is an operational amplifier from Texas Instruments. The "U" in the part number indicates it is in a SOIC (Small Outline Integrated Circuit) package, which is a type of surface-mount package. The "/2K5" typically refers to the packaging quantity, meaning the parts are supplied in a reel with 2,500 units.

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