TS3320ACR

Overview

The TS3320ACR is a micropower high precision series voltage reference manufactured by STMicroelectronics. It provides stable output voltages including 1.25 V, 2.048 V, 2.5 V, 3.0 V, and 3.3 V with an initial accuracy of ±0.15%. The device operates over an extended temperature range from -40 °C to +125 °C with a maximum temperature coefficient of 30 ppm/°C. Its ultra-low operating current is typically 3.9 μA at 25 °C. The component is available in SOT323-3L packages and is RoHS compliant.

Feature Summary

• Ultra-low operating current suitable for power-restricted designs
• High initial accuracy of ±0.15% over the full temperature range
• Stable operation when used with capacitive loads

Applications

• Battery-powered instrumentation systems
• Portable measurement devices
• Data acquisition systems requiring precise voltage references

Procurement Notes

Verify the specific output voltage variant required, as the TS3320 family includes multiple fixed options. Confirm package availability matches design constraints, specifically the SOT323-3L form factor. Ensure compliance with industrial grade temperature specifications (-40 to +125 °C) for the target application environment. Check datasheet details for load regulation characteristics under expected operating conditions.

Selection Notes

Select this component for applications demanding low quiescent current alongside high precision. The wide operating temperature range supports industrial environments. Consider the fixed output voltage options to determine if external resistor dividers are unnecessary. Verify that the SOT323-3L package fits the PCB layout requirements compared to other available packages like SOT23-3L or QFN8.

Part Context

The TS3320ACR belongs to the TS33 family of low-power series voltage references from STMicroelectronics. This family is designed to offer stable and precise output voltages across an extended temperature range. The components are engineered for efficiency, featuring ultra-low operating currents to support battery-operated and energy-constrained electronic designs.

FAQ

Is the TS3320ACR stable with capacitive loads?

Yes, the TS3320ACR is designed to remain stable when used with capacitive loads.

What is the typical operating current of the TS3320ACR?

The typical operating current is 3.9 μA at 25 °C.