The OPA2140AIDR is a precision operational amplifier (op-amp) from Texas Instruments. It is designed for high-precision applications and offers several features that make it suitable for a wide range of uses.
Description:
The OPA2140AIDR is a low-noise, low-drift operational amplifier that is available in an 8-pin DIP (dual in-line package) or SOIC (small-outline integrated circuit) package. It is designed to provide high precision and accuracy in a wide range of applications.
Features:
Some of the key features of the OPA2140AIDR include:
- Low input offset voltage: The OPA2140AIDR has an input offset voltage of typically 70µV, which is very low for an op-amp. This makes it suitable for high-precision applications where accuracy is critical.
- Low input bias current: The input bias current of the OPA2140AIDR is typically 1pA, which is very low. This makes it suitable for use with high-impedance inputs, such as sensors or other devices that require low input current.
- Low noise: The OPA2140AIDR has a low input voltage noise of 4.3nV/√Hz, which is ideal for applications that require low-noise amplification.
- Precision gain: The OPA2140AIDR can achieve precision gains of up to 100,000, making it suitable for a wide range of applications that require high-precision amplification.
- Wide supply voltage range: The OPA2140AIDR can operate on supply voltages from ±2.5V to ±18V, making it suitable for a wide range of applications.
Applications:
The OPA2140AIDR is suitable for a wide range of precision applications, including:
- Strain gauge amplifiers: The low input offset voltage and low drift of the OPA2140AIDR make it ideal for use in strain gauge amplifiers, which require high precision and accuracy.
- Medical instruments: The low noise and low input bias current of the OPA2140AIDR make it suitable for use in medical instruments, such as electrocardiogram (ECG) amplifiers and other medical monitoring equipment.
- Sensor conditioning: The OPA2140AIDR can be used to condition signals from a variety of sensors, including temperature, pressure, and humidity sensors.
- Data acquisition systems: The OPA2140AIDR can be used in data acquisition systems to provide high-precision amplification of signals from sensors and other devices.
- Audio equipment: The low noise and precision gain of the OPA2140AIDR make it suitable for use in audio equipment, such as microphone preamplifiers and audio mixers.
Overall, the OPA2140AIDR is a versatile and high-performance operational amplifier that offers excellent precision and accuracy for a wide range of applications.