Texas Instruments

OPA388IDR  

OP Amps, Buffer Amps ICs

The OPA388IDR is a low-noise, low-power, and low-drift operational amplifier (op-amp) offered by Texas Instruments. It is designed to provide high-quality amplification in a variety of applications, including audio, medical, and precision instrumentation systems. Here's a brief description, features, and applications of the OPA388IDR:

Description:

The OPA388IDR is a precision operational amplifier that offers excellent noise performance, low power consumption, and low input offset voltage drift. It is available in a small 8-pin SOIC (SO-8) package, making it suitable for space-constrained applications.

Features:

1. Ultra-low input noise: 4.2 nV/√Hz at 1 kHz, which is ideal for high-fidelity audio applications and precision signal processing.
2. Low input offset voltage drift: 0.2 μV/°C, ensuring stable performance over temperature variations.
3. Low power consumption: 370 μA (typical) at a supply voltage range of ±2.5V to ±10V, making it suitable for battery-powered applications.
4. Wide bandwidth: 10 MHz (typical) for fast response and high-speed amplification.
5. High input impedance: 1 pF to 10 MΩ, allowing it to drive a wide range of source impedances.
6. Rail-to-rail input and output: The OPA388IDR can operate with input signals that go all the way to the negative and positive supply rails, and it can also output signals that go to within a few millivolts of the supply rails.
7. Internal frequency compensation: No external components are required for stabilization, simplifying the design process.

Applications:

1. Audio systems: The low noise and high bandwidth make the OPA388IDR ideal for use in preamplifiers, headphone amplifiers, and other audio applications.
2. Medical equipment: The low-noise and low-drift characteristics are suitable for medical instruments that require precision amplification, such as hearing aids and medical sensors.
3. Precision instrumentation: The OPA388IDR can be used in various precision measurement and control applications, including strain gauge amplifiers, pressure sensors, and temperature sensors.
4. Battery-powered devices: The low power consumption makes it suitable for portable and battery-powered equipment, such as wireless sensors and portable data acquisition systems.
5. Industrial control systems: The OPA388IDR can be used in industrial control applications where low noise, low drift, and high precision are required.

In summary, the OPA388IDR is a versatile, low-noise, and low-power operational amplifier from Texas Instruments that is suitable for a wide range of applications, including audio systems, medical equipment, precision instrumentation, and battery-powered devices. Its excellent noise performance, low drift, and low power consumption make it a popular choice for designers looking for high-quality amplification in their projects.

OPA388IDR Documents

Download datasheets and manufacturer documentation for OPA388IDR

Datasheets :

Signal e-Book: OP Amp Design Topics       OPA388, 2388, 4388 Datasheet      

HTML Datasheet :

OPA388, 2388, 4388 Datasheet      

PCN Design/Specification :

Design 25/Feb/2022       OPA388/2388/4388 DS Chg 8/Aug/2018