INA849DGKT

Instrumentation, Op Amps, Buffer Amps Overview

The INA849DGKT is an ultra-low-noise instrumentation amplifier in an 8-pin VSSOP package. It features a typical input voltage noise of 1 nV/√Hz and a maximum offset voltage of 35 µV with drift of 0.4 µV/°C. The device offers a bandwidth of 28 MHz at G=1 and 8 MHz at G=100, with a slew rate of 35 V/µs. It operates on single supplies from 8 V to 36 V or dual supplies from ±4 V to ±18 V across a temperature range of –40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Ultra-low noise performance optimized for high-resolution systems
• Precision super-beta input transistors providing low bias current
• Current-feedback topology enabling wide bandwidth at higher gains
• Single external resistor sets gain from 1 to 10,000

Instrumentation, Op Amps, Buffer Amps Applications

• Analog input modules
• Microphone preamplifiers
• Electrocardiogram (ECG) equipment
• Process analytics sensors

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the DGK suffix corresponds to the 8-pin VSSOP package option before procurement. Confirm that the specific revision level matches project requirements, as datasheet revisions may update electrical characteristics or thermal metrics. Ensure supply voltage limits and operating temperature ranges align with the target system environment.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when ultra-low noise density and high bandwidth are critical simultaneously. The current-feedback architecture supports fast settling times for driving high-resolution ADCs directly. Consider the VSSOP package size constraints and thermal resistance characteristics for PCB layout planning compared to SOIC alternatives.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the INA849 family of precision instrumentation amplifiers. The DGK suffix specifically denotes the 8-lead Very Small Outline Package (VSSOP). This family is designed for applications requiring high accuracy and low distortion over a wide common-mode input range.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

INA849DR: Identical electrical specifications but housed in an 8-pin SOIC package instead of VSSOP.