Texas Instruments

OPA2991QDRQ1  

OP Amps, Buffer Amps ICs

The OPA2991QDRQ1 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 applications.

Description:

The OPA2991QDRQ1 is a low-noise, precision operational amplifier with a wide bandwidth and low input offset voltage. It is available in a small 8-pin QFN package, making it suitable for use in compact and space-constrained applications.

Features:

1. Low input offset voltage: The OPA2991QDRQ1 has an input offset voltage as low as 200µV, which is important for precision applications.
2. Low noise: The op-amp has a low input voltage noise of 4.3nV/√Hz, making it suitable for use in low-noise applications.
3. Wide bandwidth: The OPA2991QDRQ1 has a wide bandwidth of 10MHz, which allows it to be used in high-speed applications.
4. Low supply current: The op-amp has a low supply current of 3.2mA, which makes it suitable for battery-powered applications.
5. Precision short-circuit current limit: The OPA2991QDRQ1 has a precision short-circuit current limit of ±50mA, which helps protect the device in the event of a short circuit.
6. Rail-to-rail input and output: The op-amp has rail-to-rail input and output, which allows it to operate with input signals that are close to the supply voltage rails.

Applications:

The OPA2991QDRQ1 is suitable for a wide range of applications that require high precision and low noise. Some of the potential applications include:

1. Audio equipment: The low noise and low distortion characteristics of the OPA2991QDRQ1 make it suitable for use in audio equipment such as preamplifiers, equalizers, and headphone amplifiers.
2. Medical equipment: The precision and low noise characteristics of the op-amp make it suitable for use in medical equipment such as hearing aids and medical sensors.
3. Industrial control systems: The OPA2991QDRQ1 can be used in industrial control systems for precision signal conditioning and amplification.
4. Battery-powered devices: The low supply current of the op-amp makes it suitable for use in battery-powered devices, such as portable instruments and wearable devices.
5. Data acquisition systems: The OPA2991QDRQ1 can be used in data acquisition systems for precision signal conditioning and amplification.

In summary, the OPA2991QDRQ1 is a precision operational amplifier from Texas Instruments that offers low input offset voltage, low noise, and a wide bandwidth. It is suitable for use in a wide range of applications that require high precision and low noise, including audio equipment, medical equipment, industrial control systems, battery-powered devices, and data acquisition systems.

OPA2991QDRQ1 Documents

Download datasheets and manufacturer documentation for OPA2991QDRQ1

Datasheets :

OPAx991-Q1 Datasheet