**LT3032EDE#TRPBF: A Low-Noise, Dual Positive/Negative 150mA Linear Regulator from Analog Devices**

In the realm of precision power management, the ability to provide clean, stable, and noise-free voltages to sensitive circuits is paramount. Addressing this critical need, Analog Devices' **LT3032EDE#TRPBF** stands out as a highly integrated solution. This innovative IC is a **dual, low-noise, low-dropout voltage regulator** capable of sourcing up to 150mA from its positive output and sinking up to 150mA from its negative output, making it an ideal choice for powering sophisticated analog systems such as operational amplifiers, data converters, and sensors.

The core strength of the LT3032 lies in its exceptional noise performance. It incorporates separate **low-noise reference bypass pins** for both the positive and negative regulators. By simply adding a small bypass capacitor (typically 0.01µF) to each of these pins, the device achieves an impressively low output noise of just **20µVRMS over a 10Hz to 100kHz bandwidth**. This feature is a significant advantage over conventional LDOs, which often require large external capacitors to filter internally generated noise, making the LT3032 exceptionally effective for purifying power supplies in noise-sensitive applications like communication systems and high-resolution audio equipment.

Furthermore, the LT3032 is designed for versatility and efficiency. It operates with a very low dropout voltage of only 300mV at full load for both outputs, maximizing efficiency and extending battery life in portable instruments. The device's wide input voltage range, from +1.8V to +20V for the positive regulator and -1.8V to -20V for the negative regulator, provides designers with tremendous flexibility in configuring power supplies from various sources. The positive and negative outputs can be easily adjusted independently using external resistors, allowing for a wide range of output voltages from ±1.2V to ±19.5V.

Packaged in a compact 14-lead DFN, the **LT3032EDE#TRPBF** also includes crucial protection features such as internal current limiting and thermal shutdown, ensuring robust and reliable operation under fault conditions. Its ability to generate symmetrical or asymmetrical dual-rail power from two single-input supplies simplifies board layout and reduces component count.

**ICGOOODFIND:** The LT3032EDE#TRPBF from Analog Devices is an engineering marvel, merging the rare capability of dual positive and negative regulation with ultra-low noise performance. Its integrated noise reduction architecture, wide operating range, and robust feature set make it a superior and streamlined solution for powering high-performance analog circuitry where clean power is non-negotiable.

**Keywords:** Low-Noise LDO, Dual Output Regulator, Positive/Negative Voltage, Analog Devices, Precision Power Management