Texas Instruments

INA819IDGKT

INA819IDGKT Description

The INA819IDGKT from Texas Instruments is a high-precision instrumentation amplifier designed for applications requiring accurate signal conditioning with low power consumption. Packaged in an 8-VSSOP surface-mount form factor, this single-circuit IC operates over a 4.5V to 36V supply range, making it versatile for industrial, medical, and test equipment applications. With an ultra-low input bias current of 150 pA and a minimal input offset voltage of 40 µV, the INA819IDGKT ensures high accuracy in sensitive measurements. Its 2 MHz bandwidth and 0.9V/µs slew rate enable fast signal processing, while the 350µA supply current minimizes power dissipation.

INA819IDGKT Features

• Low Noise & High Precision: 40 µV offset and 150 pA bias current for precision signal amplification.
• Wide Supply Range: Operates from 4.5V to 36V, suitable for battery-powered and industrial systems.
• Low Power Consumption: Only 350µA supply current, ideal for portable and energy-sensitive designs.
• High Bandwidth & Slew Rate: 2 MHz bandwidth and 0.9V/µs slew rate for dynamic signal processing.
• Robust Packaging: 8-VSSOP (Tape & Reel) with MSL 2 (1 Year) moisture sensitivity, ensuring reliability.
• ROHS3 & REACH Compliant: Environmentally friendly and suitable for global markets.

INA819IDGKT Applications

• Medical Instrumentation: ECG amplifiers, patient monitoring systems due to low noise and high CMRR.
• Industrial Sensors: Strain gauge, RTD, and bridge sensor signal conditioning.
• Test & Measurement Equipment: Precision data acquisition systems and portable analyzers.
• Battery-Powered Devices: Energy-efficient signal amplification in IoT and wearable devices.
• Automotive Systems: Sensor interfaces where wide supply range and robustness are critical.

Conclusion of INA819IDGKT

The INA819IDGKT stands out as a high-performance instrumentation amplifier, combining precision, low power, and wide voltage operation in a compact package. Its ultra-low input errors and fast response make it ideal for demanding applications in medical, industrial, and portable electronics. Compared to similar models, it offers superior power efficiency and signal integrity, ensuring reliable performance in critical systems. Engineers seeking a balance of accuracy, speed, and power efficiency will find this IC an excellent choice for advanced analog designs.