TS3333AMR

Overview

The TS3333AMR is a micropower high precision series voltage reference manufactured by STMicroelectronics. It provides a fixed output voltage of 3.3 V with an initial accuracy of ±0.15%. The device operates within an extended temperature range from -40 °C to +125 °C and features a maximum temperature coefficient of 30 ppm/°C. It consumes an ultra-low operating current of 3.9 μA (typical) at 25 °C, making it suitable for power-restricted designs. The component is available in SOT23 packages and is RoHS compliant.

Feature Summary

• Fixed 3.3 V output voltage
• High initial accuracy of ±0.15%
• Ultra-low operating current
• Extended temperature range operation

Applications

• Power-restricted electronic designs
• Precision measurement systems
• Data acquisition circuits

Procurement Notes

Verify the specific package variant and tape-and-reel specifications against official datasheets before procurement. Confirm that the industrial grade rating aligns with the intended operational environment requirements. Ensure compatibility with existing circuit layouts designed for SOT23 footprints.

Selection Notes

Select this component when a stable 3.3 V reference is required with minimal power consumption. The high initial accuracy and low temperature coefficient ensure performance stability across wide thermal variations. Consider the SOT23 package constraints for space-limited applications.

Part Context

This part belongs to the TS33 family of low power series voltage references. The family offers various fixed output voltages including 1.25 V, 2.048 V, 2.5 V, 3.0 V, and 3.3 V. These devices are designed to provide stable and precise output voltages over an extended temperature range.

Replacement Considerations

Other members of the TS33 family with different fixed output voltages may serve as functional substitutes if the voltage requirement differs. Verify package compatibility and electrical parameter alignment before substitution.