Texas Instruments

OPA2991IDGKR  

OP Amps, Buffer Amps ICs

The OPA2991IDGKR is a low-noise, precision operational amplifier (op-amp) from Texas Instruments. It is designed for use in a variety of applications that require high precision and low noise, such as audio equipment, medical equipment, and test and measurement equipment.

Description:

The OPA2991IDGKR is a single, low-noise operational amplifier that operates from a single supply voltage of 3V to 36V. It features a high input impedance, low output impedance, and low input bias and offset currents. The device is available in a 5-lead SOT-23 package.

Features:

• Low input voltage noise: 5.5 nV/√Hz
• Low input bias and offset currents: 1 pA and 1 μV, respectively
• High input impedance: 1 pF to 10 pF
• Low output impedance: 2 ohms
• Wide supply voltage range: 3V to 36V
• Short-circuit protection
• No latch-up

Applications:

• Audio equipment: The low-noise characteristics of the OPA2991IDGKR make it well-suited for use in audio equipment, such as preamplifiers and headphone amplifiers.
• Medical equipment: The precision and low-noise performance of the OPA2991IDGKR make it suitable for use in medical equipment, such as hearing aids and medical sensors.
• Test and measurement equipment: The OPA2991IDGKR can be used in test and measurement equipment, such as signal generators and oscilloscopes, where precision and low-noise performance are critical.
• Battery-powered applications: The wide supply voltage range of the OPA2991IDGKR makes it suitable for use in battery-powered applications, where low power consumption is important.

Overall, the OPA2991IDGKR is a versatile and high-performance operational amplifier that is well-suited for a variety of precision and low-noise applications.

OPA2991IDGKR Documents

Download datasheets and manufacturer documentation for OPA2991IDGKR

PCN :

Product Change Notification (PDF)       Product Change Notification 2024-04-18 (PDF)      

Application Notes :

AC-coupled transimpedance amplifier circuit       Voltage-to-current (V-I) converter circuit with a Darlington transistor