**LT1461CIS8-5#PBF: A Precision 5V Voltage Reference for Demanding Applications**

In the realm of precision electronics, the stability and accuracy of a voltage reference are paramount. They form the foundational bedrock for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power supply regulators, and measurement equipment. Among the myriad of options available, the **LT1461CIS8-5#PBF from Analog Devices stands out as a premier solution** for applications where performance cannot be compromised.

This device is a **precision series voltage reference**, meticulously engineered to deliver a fixed, stable 5V output. Housed in a compact 8-lead SOIC package, the LT1461CIS8-5#PBF is built upon a patented curvature-corrected buried Zener structure. This advanced topology is the key to its exceptional performance, enabling both low noise and long-term stability that far surpasses conventional bandgap-based references.

The core strength of the LT1461CIS8-5#PBF lies in its **remarkably low initial tolerance of just 0.075%**. This ensures that every unit provides a voltage extremely close to the ideal 5.000V mark right from the start, minimizing the need for system-level calibration. Furthermore, its **exceptional temperature stability, with a coefficient (TC) of 10ppm/°C max**, guarantees that this accuracy is maintained across a wide operating temperature range (-40°C to +125°C). This makes it an ideal candidate for industrial, automotive, and aerospace environments where thermal conditions can vary drastically.

Beyond accuracy, the LT1461CIS8-5#PBF is designed for real-world robustness. It features **low output noise performance of 7.5μVP-P (0.1Hz to 10Hz)**, which is critical for high-resolution data acquisition systems to prevent noise from degrading the signal integrity. It can also source up to 10mA and sink up to 2mA of output current, providing flexibility in driving various loads. The device operates with a low dropout voltage and requires a minimal quiescent current, enhancing its efficiency in portable and battery-powered systems.

Typical applications that benefit from its precision include:

* **High-Resolution 16-Bit+ ADCs and DACs**

* **Precision Instrumentation and Medical Equipment**

* **Industrial Process Control Systems**

* **Automotive Sensor Interfaces**

* **Portable Precision Regulators**

ICGOOODFIND: The LT1461CIS8-5#PBF is a **benchmark in voltage reference technology**, offering a rare combination of ultra-high initial accuracy, superb temperature stability, and low noise. For designers tackling demanding applications, it provides a reliable and uncompromising foundation, ensuring that the entire signal chain performs at its peak from the ground up.

**Keywords:** Precision Voltage Reference, Low Temperature Drift, 10ppm/°C, High Accuracy, Low Noise