Overview
The OPA445ADDA, manufactured by Texas Instruments, is a high-performance operational amplifier designed for applications requiring high precision and stability. This CMOS-based amplifier is known for its excellent DC characteristics, low noise, and low distortion. It is suitable for a wide range of applications, including instrumentation, data acquisition systems, and power regulation circuits. The OPA445ADDA is particularly valued for its ability to deliver high accuracy and reliability in demanding electronic systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | ±2.5V to ±18V | V | |
| Input Bias Current | 20 | pA | |
| Input Noise Voltage | 4.5 | nV/√Hz | |
| Gain Bandwidth Product | 12 | MHz | |
| Output Current Capability | ±120 | mA | |
| Settling Time | 2.3 | μs | |
| Operating Temperature Range | -40 to +125 | °C |
Key Features
- Exceptional DC characteristics for high precision applications.
- Low noise and low distortion, ideal for sensitive measurement systems.
- Wide supply voltage range, enhancing versatility in various electronic designs.
- High output current capability, suitable for driving a wide range of loads.
Applications
The OPA445ADDA is widely used in several fields due to its robust performance and reliability. It is commonly found in precision analog signal amplification, high-speed data acquisition systems, and power management circuits. Additionally, it is utilized in medical diagnostic equipment and industrial control systems, where high accuracy and stability are crucial.
Q & A
What is the supply voltage range of the OPA445ADDA?
The supply voltage ranges from ±2.5V to ±18V.
Can the OPA445ADDA operate in high-temperature environments?
Yes, it operates effectively from -40°C to +125°C.
What makes the OPA445ADDA suitable for precision applications?
Its low input bias current and low noise voltage make it ideal for precision applications.
What is the gain bandwidth product of the OPA445ADDA?
It has a gain bandwidth product of 12MHz.
Is the OPA445ADDA capable of driving high current loads?
Yes, it can drive up to ±120mA.
What are the typical applications of the OPA445ADDA?
It is used in precision analog signal amplification, data acquisition systems, and power management circuits.
What is the settling time of the OPA445ADDA?
The settling time is 2.3μs.
Does the OPA445ADDA have a low distortion rate?
Yes, it features low distortion, which is beneficial for high-fidelity applications.
What type of packaging does the OPA445ADDA use?
It is available in an 8-pin SOIC package.
How does the OPA445ADDA perform in low noise applications?
With an input noise voltage of 4.5nV/√Hz, it performs exceptionally well in low noise environments.
