Texas Instruments

OPA2990IDSGR

The OPA2990IDSGR is a high-performance, low-noise, dual operational amplifier (op amp) offered by Texas Instruments. It is designed to provide excellent DC and AC performance in a small package, making it suitable for a wide range of applications.

Description:

The OPA2990IDSGR is a dual operational amplifier that features low input bias current, low input offset voltage, and low noise. It is available in a small 8-pin SOIC package, making it ideal for use in compact and portable electronic devices.

Features:

Some of the key features of the OPA2990IDSGR include:

1. Low input bias current: The input bias current of the OPA2990IDSGR is typically 2pA, which is significantly lower than that of many other op amps. This makes it suitable for use in high-impedance circuits.
2. Low input offset voltage: The input offset voltage of the OPA2990IDSGR is typically 1mV, which is much lower than that of many other op amps. This ensures high accuracy in applications that require precise amplification.
3. Low noise: The OPA2990IDSGR has a low input voltage noise of 7.5nV/√Hz, which is ideal for use in applications that require low-noise amplification.
4. High output current: The OPA2990IDSGR can provide an output current of up to ±150mA, making it suitable for driving high-current loads.
5. Wide supply voltage range: The OPA2990IDSGR can operate from a supply voltage range of ±2.5V to ±18V, making it versatile for use in a variety of applications.

Applications:

The OPA2990IDSGR is suitable for a wide range of applications, including:

1. Audio amplification: Due to its low noise and high output current, the OPA2990IDSGR is ideal for use in audio amplifiers.
2. Medical instrumentation: The low input bias current and low input offset voltage of the OPA2990IDSGR make it suitable for use in medical instruments that require precise amplification.
3. Strain gauge amplifiers: The OPA2990IDSGR can be used in strain gauge amplifiers due to its low noise and high output current.
4. Battery monitoring: The OPA2990IDSGR can be used in battery monitoring circuits to provide precise amplification of the voltage across the battery.
5. Precision instrumentation: The OPA2990IDSGR can be used in precision instrumentation applications that require low noise and high accuracy.

In summary, the OPA2990IDSGR is a high-performance, low-noise, dual operational amplifier that offers excellent DC and AC performance in a small package. It is suitable for a wide range of applications, including audio amplification, medical instrumentation, strain gauge amplifiers, battery monitoring, and precision instrumentation.