Texas Instruments

OPA4990IPWR

The OPA4990IPWR is a high-performance, low-noise, dual operational amplifier (op amp) offered by Texas Instruments. This device is designed to provide excellent DC and AC performance, making it suitable for a wide range of applications.

Description:

The OPA4990IPWR is a dual operational amplifier that offers low input voltage noise, low distortion, and low offset drift. It is available in a 10-lead MSOP package and is specified over an extended temperature range of -40°C to +125°C.

Features:

1. Ultra-low input voltage noise: 4.3 nV/√Hz
2. Low input bias current: 1 pA
3. Low output noise: 7.9 nV/√Hz
4. Wide bandwidth: 4 MHz
5. Low distortion: -90 dBc at 1 kHz
6. Low supply current: 3.1 mA per amplifier
7. High output drive: 25 mA
8. Precision operational amplifier
9. Extended temperature range: -40°C to +125°C
10. Available in a 10-lead MSOP package

Applications:

1. Audio applications: The low noise and low distortion characteristics make the OPA4990IPWR suitable for high-quality audio applications, such as preamplifiers, headphone amplifiers, and active filters.
2. Medical instrumentation: The low input offset voltage and drift make it suitable for medical instruments that require precise amplification, such as hearing aids and medical sensors.
3. Industrial control systems: The OPA4990IPWR can be used in industrial control systems for signal conditioning and amplification of sensors, such as pressure, temperature, and humidity sensors.
4. Data acquisition systems: The low noise and high bandwidth make it suitable for use in data acquisition systems where accurate and fast signal processing is required.
5. Battery-powered devices: The low supply current and extended temperature range make the OPA4990IPWR suitable for battery-powered devices that require low power consumption and can operate in harsh environments.
6. Strain gauge amplifiers: The OPA4990IPWR can be used in bridge amplifiers for strain gauges, providing accurate amplification and low noise performance for precise measurements.

In summary, the OPA4990IPWR is a high-performance, low-noise dual operational amplifier that offers excellent DC and AC performance, making it suitable for a wide range of applications, including audio, medical instrumentation, industrial control systems, data acquisition systems, battery-powered devices, and strain gauge amplifiers.