OPA2145IDR

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OPA2145IDR

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  • 데이터시트 OPA2145IDR DataSheet

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사양

속성 가치
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Amplifier Type J-FET
Number of Circuits 2
Output Type Rail-to-Rail
Gain Bandwidth Product 5.5 MHz
Current - Input Bias 2 pA
Voltage - Input Offset 40 µV
Supply Current 445µA
Current - Output / Channel 20 mA
Voltage - Supply Span(Min) 4.5 V
Voltage - Supply Span(Max) 36 V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount

개요

Description

The OPA2145IDR is a precision operational amplifier from Texas Instruments, part of the OPAx145 series. Known for its high precision, the OPA2145IDR features ultra-low offset voltage and low drift, making it ideal for precision instrumentation applications. It operates with a wide supply voltage range from ±2.25V to ±18V, offering flexibility across different power supply environments. This op-amp provides a low input bias current and a wide bandwidth, enhancing its performance in high-accuracy and high-speed applications.
With a rail-to-rail output, the OPA2145IDR ensures maximum dynamic range in signal processing tasks. It is designed for low noise and low total harmonic distortion, making it suitable for audio and sensor signal processing applications. The device is available in a standard SOIC-8 package, facilitating easy integration into various circuit designs. Its robust specifications make it an excellent choice for applications requiring high precision, low noise, and reliable performance across different operating conditions.

Equivalent

The OPA2145IDR is a precision operational amplifier from Texas Instruments. Equivalent products that may match its specifications include:
1. OPA2134: Also by Texas Instruments, suitable for audio applications.
2. LT1364: By Analog Devices, offering high speed and precision.
3. AD8676: By Analog Devices, known for low noise and precision.
4. LM4562: By Texas Instruments, ideal for low distortion and noise in audio applications.
It's important to compare specific parameters like voltage range, bandwidth, and noise to ensure compatibility with your application.

Features

The OPA2145IDR is a precision operational amplifier known for its low noise, low offset, and low distortion characteristics, making it suitable for high-fidelity audio and instrumentation applications. Some key features include:
1. Low Noise: It has a low voltage noise density, which is ideal for maintaining signal integrity in low-level signal processing.
2. Low Offset Voltage: This operational amplifier provides a low offset voltage, enhancing accuracy by minimizing output errors.
3. Low Distortion: It offers low harmonic distortion, which is crucial for high-quality audio applications.
4. Rail-to-Rail Output: The device supports rail-to-rail output, maximizing the dynamic range of the outputs.
5. Wide Supply Range: It operates over a wide supply voltage range, allowing for flexibility in various circuits.
6. High Slew Rate: The OPA2145IDR features a high slew rate, enabling fast response times in dynamic applications.
7. Temperature Stability: It exhibits good performance across a broad temperature range, ensuring reliability in different environmental conditions.
These features make the OPA2145IDR suitable for precision applications requiring high accuracy and low noise.

Pinout

The OPA2145IDR is a dual operational amplifier integrated circuit. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise rundown of its pin functions:
1. Pin 1 (OUT A): Output of op-amp channel A.
2. Pin 2 (IN– A): Inverting input of op-amp channel A.
3. Pin 3 (IN+ A): Non-inverting input of op-amp channel A.
4. Pin 4 (V–): Negative power supply voltage.
5. Pin 5 (IN+ B): Non-inverting input of op-amp channel B.
6. Pin 6 (IN– B): Inverting input of op-amp channel B.
7. Pin 7 (OUT B): Output of op-amp channel B.
8. Pin 8 (V+): Positive power supply voltage.
This dual op-amp offers features like low noise, low input bias current, and wide supply voltage range, making it suitable for precision applications in various electronic circuits.

Manufacturer

The OPA2145IDR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic devices. TI is one of the largest and most well-known companies in the semiconductor industry, serving both global markets and a diverse range of sectors, including industrial, automotive, personal electronics, and communications. The company is renowned for its innovation in analog technology, embedded processing, and digital signal processing. TI's products are integral to the functionality of countless electronic devices, and they consistently deliver solutions that address customer needs across different applications.

Application

The OPA2145IDR is a precision operational amplifier commonly used in various applications due to its low noise, low offset voltage, and wide bandwidth. Typical application areas include:
1. Instrumentation: High-precision measurements in test and measurement equipment.
2. Medical Devices: Signal processing in diagnostic equipment.
3. Industrial Automation: Control systems requiring accurate sensor readings.
4. Audio Equipment: High-fidelity audio processing.
5. Data Acquisition Systems: Precise data collection in scientific and industrial applications.
6. Communication Systems: Signal amplification and conditioning.
Its reliability and precision make it suitable for any application requiring accurate and stable analog signal processing.

Package

The OPA2145IDR is an operational amplifier from Texas Instruments, and it comes in an SOIC-8 (Small Outline Integrated Circuit) package type. This package has eight pins and is commonly used for surface-mount applications.