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The TS3333AQPR 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 supports an operating input voltage range of 1.8 V to 5.5 V, draws a typical quiescent current of 3.9 μA at 25 °C, and handles a maximum operating current of ±5 mA. The component is housed in a QFN8 surface mount package.
Verify the specific ordering suffix against official documentation to confirm package type and temperature grade. Ensure compatibility with required input voltage ranges and load conditions before integration. Confirm environmental compliance status such as ECOPACK specifications directly with the manufacturer or authorized distributors.
Select this component for designs requiring a fixed 3.3 V reference with high initial accuracy. Consider the ultra-low quiescent current for battery-powered applications. Verify that the QFN8 package footprint meets board layout constraints. Ensure the operating environment stays within the specified -40 °C to +125 °C range for guaranteed performance.
This part belongs to the TS33 family of low power series voltage references. The family includes variants with different fixed output voltages such as 1.25 V, 2.048 V, 2.5 V, and 3.0 V. All members share similar electrical characteristics including low operating current and high accuracy over the industrial temperature range.
Compatible substitutes include TS3312AQPR, TS3320AQPR, TS3325AQPR, and TS3330AQPR for different voltage requirements. Other package options like TS3333ACR (SOT323-3L) and TS3333AMR (SOT23-3L) offer pin-compatible alternatives.