Texas Instruments

OPA551UA/2K5  

OP Amps, Buffer Amps ICs

The Texas Instruments OPA551UA/2K5 is a high-performance, low-power, dual operational amplifier (op amp) designed for a wide range of precision applications. Here's a brief description, features, and applications of the OPA551UA/2K5:

Description:

The OPA551UA/2K5 is a member of the OPA551 family of dual operational amplifiers. It is available in a compact 8-pin SOIC (OPA551UA) and 8-pin MSOP (OPA551UA/2K5) packages. The device features a 3.3V supply voltage and is designed for low power consumption, making it suitable for battery-powered applications.

Features:

1. Precision: The OPA551UA/2K5 offers precision performance with low input offset voltage (typical 0.5 mV) and low input bias current (typical 1 pA).
2. Low Power: The device consumes low power, making it suitable for battery-powered applications. It has a supply current of 1.9 mA per amplifier (typical).
3. Wide Supply Voltage Range: The OPA551UA/2K5 operates with a supply voltage range of 3.3V to 5.5V, providing flexibility in various applications.
4. High Input Impedance: The op amp features high input impedance, which is beneficial for applications with high source resistance.
5. Low Output Noise: The device has low output noise, making it suitable for applications that require low-noise performance.
6. Short Circuit Protection: The OPA551UA/2K5 includes internal protection against output short circuits.

Applications:

1. Battery-Powered Instruments: Due to its low power consumption, the OPA551UA/2K5 is ideal for battery-powered applications such as portable medical devices, data acquisition systems, and wireless sensors.
2. Strain Gauge Amplifiers: The precision and low input offset voltage make the OPA551UA/2K5 suitable for use in strain gauge amplifiers for industrial and automotive applications.
3. Audio Amplifiers: The low noise and precision characteristics of the OPA551UA/2K5 make it suitable for use in audio amplifiers, where low-noise performance is crucial.
4. Sensor Conditioning: The OPA551UA/2K5 can be used in sensor conditioning circuits for various types of sensors, including temperature, pressure, and humidity sensors.
5. Precision ADC Drivers: The low input offset voltage and low noise performance make the OPA551UA/2K5 suitable for driving precision analog-to-digital converters (ADCs) in data acquisition systems.

In summary, the Texas Instruments OPA551UA/2K5 is a high-performance, low-power dual operational amplifier that offers precision performance, low input offset voltage, and low input bias current. It is suitable for a wide range of applications, including battery-powered instruments, strain gauge amplifiers, audio amplifiers, sensor conditioning, and precision ADC drivers.

OPA551UA/2K5 Documents

Download datasheets and manufacturer documentation for OPA551UA/2K5

Datasheets :

OPA551,552 Datasheet      

HTML Datasheet :

OPA551,552 Datasheet