INA128 Low Power Instrumentation Amplifier IC | Precision Signal Conditioning | DIP-8/SOIC

Description

The INA128 is a high-precision, low-power instrumentation amplifier designed for accurate signal amplification in demanding analog applications. Its versatile 3-op-amp topology makes it an industry standard for systems requiring high input impedance, high common-mode rejection (CMRR), and exceptional gain accuracy.

The device allows for easy gain setting from 1 to 10,000 using only a single external resistor, providing immense flexibility for sensor interfaces. With low quiescent current and a wide supply voltage range (±2.25V to ±18V), the INA128 is highly efficient and suitable for battery-powered or portable instrumentation, data acquisition systems, and precision industrial controls.

Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability.

Features

• Single-channel instrumentation amplifier
• High precision: Offset voltage as low as 50µV (typical)
• High CMRR: 120 dB (minimum at high gain)
• Wide supply voltage range: ±2.25V to ±18V
• Gain adjustable via a single external resistor (1 to 10,000)
• Low power consumption: 700µA (typical)
• Robust input protection (up to ±40V)

Benefits

• Superior Accuracy: Laser-trimmed offset and drift specifications ensure minimal signal error over time and temperature.
• Noise Immunity: Exceptional CMRR effectively suppresses common-mode noise, crucial for capturing weak differential signals from sensors.
• Versatility: Simple gain programming and low power profile make it suitable for a vast array of sensor-based applications.

Applications

• Bridge Amplifiers (Pressure, Strain, Load)
• Thermocouple and RTD Signal Conditioning
• Medical Instrumentation (e.g., ECG, EEG)
• Precision Data Acquisition (DAQ)
• Industrial Control Loops

Package Includes

• 1 x INA128 Precision Instrumentation Amplifier IC (DIP-8 Package)

Specifications