Overview
The OPA2141AIDR is a high-precision, low-noise operational amplifier (op-amp) manufactured by Texas Instruments. Designed for applications requiring high accuracy and stability, this op-amp is part of Texas Instruments' portfolio of precision analog components. It is particularly suited for industrial, medical, and audio applications where low noise and high precision are critical. The OPA2141AIDR stands out for its low input bias current, low offset voltage, and wide supply voltage range, making it a versatile choice for engineers and designers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 4.5 to 36 | V | Single or dual supply |
| Input Offset Voltage | 0.25 | mV | Max |
| Input Bias Current | 1 | pA | Max |
| Gain Bandwidth Product | 10 | MHz | Typical |
| Slew Rate | 20 | V/µs | Typical |
| Common Mode Rejection Ratio | 120 | dB | Min |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOP-8 | Surface Mount |
Key Features
- Low noise: 6.5 nV/√Hz at 1 kHz
- Low input bias current: 1 pA (max)
- Wide supply voltage range: 4.5 V to 36 V
- High precision: Low offset voltage and drift
- Rail-to-rail output swing
Applications
The OPA2141AIDR is widely used in precision analog circuits, including industrial control systems, medical instrumentation, and audio processing equipment. Its low noise and high accuracy make it ideal for signal conditioning, active filtering, and sensor amplification. In industrial applications, it is used in data acquisition systems and process control. In medical devices, it ensures accurate signal processing in diagnostic equipment. Additionally, its audio performance makes it suitable for high-fidelity audio amplifiers and mixers.
Q & A
1. What is the supply voltage range of the OPA2141AIDR?
The supply voltage range is 4.5 V to 36 V, supporting both single and dual supply configurations.
2. What is the input offset voltage of this op-amp?
The maximum input offset voltage is 0.25 mV.
3. How does the OPA2141AIDR perform in low-noise applications?
It has a low noise density of 6.5 nV/√Hz at 1 kHz, making it suitable for sensitive applications.
4. What is the typical gain bandwidth product?
The typical gain bandwidth product is 10 MHz.
5. Is the OPA2141AIDR suitable for rail-to-rail output applications?
Yes, it supports rail-to-rail output swing.
6. What is the maximum input bias current?
The maximum input bias current is 1 pA.
7. What is the operating temperature range?
It operates from -40°C to 125°C.
8. What package does the OPA2141AIDR come in?
It is available in an SOP-8 surface-mount package.
9. Can this op-amp be used in medical devices?
Yes, its high precision and low noise make it ideal for medical instrumentation.
10. What are the key applications of the OPA2141AIDR?
Key applications include industrial control, medical devices, and audio processing.
