Texas Instruments

INA138NA/3K

The INA138NA/3K is a precision, low-power, instrumentation amplifier manufactured by Texas Instruments. It is designed for use in a variety of applications where high accuracy and low noise are required.

Description:

The INA138NA/3K is a fully differential, inverting input amplifier with a gain bandwidth product of 5 MHz. It features a gain range of 1 to 1000, which can be set using an external resistor network. The device also has a low input offset voltage of 25 µV (typical) and a low input bias current of 1 pA (typical), making it well-suited for use in precision measurement applications.

Features:

• Precision, low-power instrumentation amplifier
• Gain bandwidth product of 5 MHz
• Gain range of 1 to 1000, set using external resistors
• Low input offset voltage of 25 µV (typical)
• Low input bias current of 1 pA (typical)
• Wide supply voltage range of 2.7 V to 10.8 V
• Low noise performance of 8 nV/√Hz (typical) at 1 kHz
• Available in an 8-pin SOIC package

Applications:

The INA138NA/3K is well-suited for a variety of applications where high accuracy and low noise are required. Some potential applications include:

1. Medical equipment: The INA138NA/3K can be used in medical equipment such as patient monitoring systems, blood pressure monitors, and electrocardiogram (ECG) machines.
2. Industrial control systems: The INA138NA/3K can be used in industrial control systems to measure and control variables such as temperature, pressure, and flow.
3. Sensor interfaces: The INA138NA/3K can be used as an interface for a variety of sensors, including strain gauges, load cells, and pressure sensors.
4. Audio equipment: The INA138NA/3K can be used in audio equipment to provide precise amplification of audio signals.
5. Research and development: The INA138NA/3K can be used in research and development applications where precise amplification of small signals is required.

Overall, the INA138NA/3K is a versatile and high-performance instrumentation amplifier that can be used in a wide range of applications where precision and low noise are critical.