OPA227U

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OPA227U

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IC OPAMP GP 1 CIRCUIT 8SOIC

  • HerstellerTexas Instruments

  • Herstellerteil #OPA227U

  • Datenblatt OPA227U DataSheet

  • Auf Lager5310

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Attribut Wert
Part Status Active
Base Product Number OPA227
Amplifier Type Standard (General Purpose)
Number of Circuits 1
Slew Rate 2.3V/µs
Gain Bandwidth Product 8 MHz
Current - Input Bias 2.5 nA
Voltage - Input Offset 5 µV
Current - Supply 3.7mA
Voltage - Supply Span (Min) 5 V
Voltage - Supply Span (Max) 36 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube
Current - Output / Channel 45 mA

Übersicht

Description

The OPA227U is a precision operational amplifier known for its low offset voltage, low drift, and low bias current. It is part of the OPA227 series and is designed to provide high performance in precision applications. Key features include low noise, high open-loop gain, and a wide supply voltage range, typically from ±2.5V to ±18V. The OPA227U is well-suited for applications requiring high accuracy and stability, such as instrumentation, data acquisition, and sensor interfacing.
The U in OPA227U indicates a specific package type, which is often a small-outline integrated circuit (SOIC), suitable for surface-mount applications. The amplifier's low distortion and high output drive capabilities make it ideal for audio and communications applications as well. Its robust performance over a wide temperature range further enhances its suitability for industrial and scientific settings where reliability is critical.
Overall, the OPA227U's combination of precision, low noise, and versatility makes it a popular choice for engineers looking to design circuits requiring a high degree of accuracy and stability.

Equivalent

The OPA227U is a precision operational amplifier. Equivalent products include the OP07 and OP27 series from Analog Devices, the LT1007 and LT1013 from Analog Devices/Linear Technology, and the LM308 from Texas Instruments. While these alternatives offer similar functions, it's important to check key specifications like voltage range, bandwidth, and package type to ensure compatibility with your application.

Features

The OPA227U is a precision operational amplifier known for its excellent performance characteristics. It features low noise, with a voltage noise density of 3 nV/√Hz, making it suitable for high-precision applications. The amplifier offers low offset voltage, typically around 75 µV, and a low offset voltage drift, ensuring stability over temperature variations.
It boasts a low input bias current, generally around 5 nA, which helps minimize errors in precision applications. The OPA227U has a high open-loop gain of about 160 dB, contributing to its accuracy and linearity. It also provides a wide power supply range from ±2.25 V to ±18 V, allowing flexibility in various circuit designs.
The amplifier supports a broad bandwidth of 8 MHz, enabling high-speed operation while maintaining precision. Additionally, it features a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), which enhance its performance in noisy environments. The OPA227U is often used in applications such as data acquisition, medical instrumentation, and precision signal processing.

Pinout

The OPA227U is an operational amplifier (op-amp) produced by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin configuration is as follows:
1. Offset Trim: Used for offset voltage adjustment.
2. Inverting Input: The inverting input terminal of the op-amp.
3. Non-Inverting Input: The non-inverting input terminal of the op-amp.
4. V- (Negative Supply Voltage): The negative power supply terminal.
5. Offset Trim: Used for offset voltage adjustment (symmetrical with pin 1).
6. Output: The output terminal of the op-amp.
7. V+ (Positive Supply Voltage): The positive power supply terminal.
8. No Connection (NC): Typically not used in the standard configuration.
The OPA227U is known for its low noise, low offset voltage, and high precision, making it suitable for high-precision data acquisition systems, medical instruments, and other applications requiring high accuracy.

Manufacturer

The OPA227U is manufactured by Texas Instruments, an American technology company. Texas Instruments (TI) is known for designing and manufacturing semiconductors and various integrated circuits, which are used in electronic devices across numerous industries. TI is a major player in the electronics sector, providing a wide range of products including analog chips, embedded processors, and digital light processing technology. As a Fortune 500 company, TI focuses heavily on innovation and development, catering to sectors such as automotive, industrial, personal electronics, and communications equipment.

Application

The OPA227U is a precision operational amplifier known for its low noise, low offset voltage, and high precision. It is widely used in applications requiring high accuracy and stability. Key application areas include:
1. Data Acquisition Systems: Ensures precise signal amplification.
2. Medical Instrumentation: Used in devices like ECGs and blood pressure monitors for accurate signal processing.
3. Industrial Process Controls: Provides reliable performance in sensor signal conditioning.
4. Test and Measurement Equipment: Ideal for precise data analysis.
5. Transducer Interfaces: Enhances the accuracy in converting physical signals to electrical signals.
6. Precision Filters: Used in creating stable and accurate filter circuits.
Its robust performance makes it suitable for any application requiring high accuracy and low noise.

Package

The OPA227U is an operational amplifier from Texas Instruments and typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is compact, allowing for efficient use of board space in electronic designs.

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