The TPS7A4901DGNR from Texas Instruments is a positive, high-voltage, ultra-low noise linear regulator that can source a 150mA load. It is designed using bipolar technology and is ideal for high-accuracy, high-precision instrumentation applications where clean voltage rails are critical to maximizing system performance.

The TPS7A4901DGNR features a wide input voltage range of 3V to 36V, making it suitable for a variety of applications. It also has a low dropout voltage of 300mV, which allows it to operate at high efficiency even when the input voltage is close to the output voltage.

The TPS7A4901DGNR is ultra-low noise, with an output noise voltage of only 12.7µVRMS (20Hz to 20kHz) load and 15.4µVRMS (10Hz to 100kHz) load. This makes it ideal for powering sensitive analog circuitry, such as operational amplifiers, analog-to-digital converters, and digital-to-analog converters.

The TPS7A4901DGNR also has a number of other features that make it a good choice for a wide variety of applications. These features include:

CMOS logic-level-compatible enable pin Capacitor-programmable soft-start function Built-in current limit and thermal shutdown protection Stable with ceramic capacitors ≥ 2.2µF The TPS7A4901DGNR is available in a variety of package options, including the 8-pin HVSSOP and the 8-pin SOIC. It is also available in a variety of output voltage options, from 1.2V to 18V.

Here are some specific examples of applications where the TPS7A4901DGNR can be used:

Powering operational amplifiers in precision analog circuits Powering analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) in high-performance data acquisition systems Powering reference voltage generators in precision measurement systems Powering RF oscillators and other sensitive RF circuitry Powering sensors and other low-power devices in battery-powered systems The TPS7A4901DGNR is a reliable and versatile linear regulator that is well-suited for a wide variety of applications. It is ideal for applications where low noise, high efficiency, and wide input voltage range are important.