TSV321RAILT Integrated Circuits (ICs)

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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The TSV321RAILT is a linear, precision, low power and rail-to-rail output buffer amplifier designed to dramatically improve the accuracy and reliability of instrumentation applications. For many years, engineers were under the impression that buffer amplifiers were limited to being unity gain followers in order to maintain a low power dissipation. However, the TSV321RAILT advances the state-of-the-art by offering an unprecedented combination of precision rail-to-rail performance and low power dissipation (<1 mA total quiescent current).

Performance Considerations

The main feature of the TSV321RAILT is its rail-to-rail performance which provides low noise, low distortion and high gain accuracy. This performance is achievable due to its advanced input stages, output stages, and fully differential architecture. Additionally, an integrated output voltage slew rate control circuit maintains low power consumption while providing extremely low distortion. As a result, the TSV321RAILT exhibits an extremely clean and accurate rail-to-rail output range with under -3dB distortion at Vio≥2V.

Working Principle

At the heart of the TSV321RAILT is an integrated high-gain, high-bandwidth transconductance amplifier design with cascode-connected high voltage MOSFETs. This of amplifier design provides extremely low output offset and high-accuracy output due to its fully differential nature. Additionally, the amplifier is loaded by an onboard, wideband capacitor to reduce distortion and improve noise performance. The amplifier can then be simply set for a gain of either unity or greater if the output needs to be amplified. The input stage of the amplifier is configured in a correlated double sampling manner providing rejection of external noise as well as low power dissipation.

Application Field

The unique combination of precision and rail-to-rail performance make the TSV321RAILT an ideal solution for instrumentation and test systems. From handheld ratiometer test sets, to precision laboratory probers, the TSV321RAILT amplifies the precision, accuracy, and reliability of numerous test and measurement applications. Moreover, the low power dissipation and wideband operation make it perfectly suited for automotive and medical applications where power efficiency is of utmost importance.

Conclusion

Overall, the TSV321RAILT is a revolutionary rail-to-rail buffer amplifier that integrates the best of modern design and engineering. From its ultra-low power dissipation to its unimpeded bandwidth and low distortion, it has become the ideal solution for instrumentation and test systems. With its unparalleled combination of accuracy and performance, the TSV321RAILT has become a staple in many engineering applications.

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