TPS71709DSERG4

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The TPS71709DSERG4 is part of Texas Instruments’ TPS717xx DS family of ultra low-noise, low-dropout linear regulators. This cutting-edge IC is specifically designed to deliver ultra-low noise along with high PSRR power supplies in the 1MHz to 10MHz range. Powered by an internally regulated 2.5V to 5.5V input voltage, the TPS71709DSERG4 is ideal for use in ultra-low noise applications of all kinds, from medical instrumentation to audio equipment.

Application of TPS71709DSERG4

The TPS71709DSERG4 is primarily used for precision amplifiers and ultrasound imaging, ultra low-noise buffering, and noise elimination. Additionally, its ultra-low noise characteristics make it well suited for audio applications such as headphone amplifiers, pre-amplifiers, or filter banks. The device is also a popular choice for powering analog to digital converters, digital isolators, photodetectors, and other precision low-noise applications.

Working Principle of TPS71709DSERG4

The TPS71709DSERG4 is a low-dropout linear regulator which relies on an internally compensated voltage error amplifier, which increases absolute accuracy as well as load and line regulation. Output voltage is regulated by executing as a series of controlled on/off cycles to the output from the internal error amplifier. The output transistor serves as an on/off switch for power delivery. When it comes to keeping noise low, the TPS71709DSERG4 relies on its noise bypass pin, a feature which helps to absorb switching spikes and lower the loop gain of the regulator, giving it superior performance in the 1MHz to 10MHz range. The result is a voltage regulator system with ultra-low. noise levels and a high PSRR, making it one of the best solutions for applications that require a very quiet power source.

The TPS71709DSERG4 also comes equipped with protection features that protect the regulator from short-circuiting, output capacitor electrostatic discharge (ESD) damage, as well as excessive temperature and current levels. Other features include enable and correction pins, as well as power-off decoupling. With such advanced features and a wide input voltage range from 2.5V to 5.5V, the TPS71709DSERG4 is the perfect choice for a wide range of low-noise precision applications.

Conclusion

The TPS71709DSERG4 is a high quality linear voltage regulator part of Texas Instruments’ TPS717xx DS family of ultra-low noise, low-dropout linear regulators. Designed to deliver superior performance in the 1MHz to 10MHz range, it is ideal for ultra-low noise applications such as audio, medical instrumentation, and precision amplifiers. The device features a wide input voltage range of 2.5V to 5.5V, an efficient error amplifier, noise bypassing technology, protection features, and adjustable output voltage. With its advanced features, incredible output noise and PSRR performance, and wide input voltage range, the TPS71709DSERG4 is the ideal choice for low-noise precision applications.

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