Texas Instruments

INA114BU

INA114BU Description

The INA114BU from Texas Instruments is a high-precision instrumentation amplifier designed for applications requiring accurate signal conditioning with minimal error. Packaged in a 16-SOIC surface-mount form factor, this single-channel IC operates over a wide supply voltage range of 4.5V to 36V, making it versatile for industrial and medical systems. With an ultra-low input bias current of 500 pA and a low input offset voltage of 10 µV, the INA114BU ensures high-accuracy amplification of small differential signals while rejecting common-mode noise. Its 1 MHz bandwidth and 0.6V/µs slew rate enable fast signal processing, suitable for dynamic measurement environments.

INA114BU Features

• Low Power Consumption: Operates at 2.2mA supply current, ideal for battery-powered devices.
• High CMRR: Excellent common-mode rejection minimizes noise in harsh environments.
• Wide Supply Range: Supports 4.5V to 36V, accommodating diverse power supplies.
• Robust Output Drive: Delivers 20mA output current for driving heavy loads.
• Stable Performance: MSL 3 (168 hours) moisture sensitivity ensures reliability in humid conditions.
• RoHS3 & REACH Compliant: Meets environmental and safety standards for global deployment.

INA114BU Applications

The INA114BU excels in precision applications such as:

• Medical Instrumentation: ECG amplifiers, patient monitoring systems.
• Industrial Sensors: Strain gauge amplification, bridge sensor conditioning.
• Test & Measurement: Data acquisition systems, low-noise signal chains.
• Automotive Systems: Pressure and temperature sensing with high immunity to EMI.

Conclusion of INA114BU

The INA114BU stands out for its low noise, high accuracy, and robust design, making it a top choice for engineers needing reliable instrumentation amplification. Its wide voltage range, low power draw, and compliance with environmental standards ensure suitability for demanding applications across medical, industrial, and automotive sectors. For precision signal conditioning with minimal error, the INA114BU delivers unmatched performance in its class.