Linear Technology's LT1461DHS8-3.3 Precision Voltage Reference

The LT1461DHS8-3.3 is a micropower, low dropout voltage reference from Linear Technology that offers high precision and stability. This component is part of Linear Technology's family of bandgap voltage references, designed to provide a stable and accurate reference voltage for high-performance analog circuits. The LT1461 series is characterized by its low noise and low thermal drift, making it an ideal choice for precision applications.

With an output voltage of 3.3 volts, the LT1461DHS8-3.3 provides a fixed reference that is essential for many analog-to-digital conversions, digital-to-analog conversions, and voltage monitoring applications. The device ensures a high degree of accuracy with an initial tolerance of just ±0.05% and temperature stability of ±10ppm/°C over the full temperature range of -40°C to 85°C. This precision is maintained over time with a long-term stability of less than 30ppm/1k hours, making it reliable for critical applications where consistent performance is necessary.

One of the key features of the LT1461DHS8-3.3 is its low dropout performance. With a low dropout voltage of typically 20mV, this component can operate with minimal headroom above the output voltage, allowing for efficient use in systems with tight supply tolerances. Additionally, the device has a low supply current of 60µA, which reduces power consumption and makes it suitable for battery-powered and portable applications.

The LT1461DHS8-3.3 comes in an 8-lead SOIC package, which is compact and suitable for space-constrained designs. Its robust design includes reverse battery protection, which safeguards the device against incorrect power supply connections. Furthermore, the output is able to drive up to 10mA, providing sufficient current for a wide range of loads.

Overall, the LT1461DHS8-3.3 is a high-quality component that offers engineers a precise and stable voltage reference. Its combination of low noise, high accuracy, and low power consumption makes it an excellent choice for precision data converters, portable instrumentation, and any application where a reliable reference voltage is critical.