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Fixed output of 3.35V to 5.5V

REF2933AIDBZR General Description

When it comes to precision voltage references in compact form factors, the REF29xx shines bright with its impressive features. Operating within 1 mV of the output voltage without a load, this device is well-suited for demanding applications across a wide temperature range, from -40°C to 125°C. Its stability with any capacitive load ensures consistent performance, making it a versatile choice for a variety of portable and battery-powered devices. With the REF29xx, achieving precision and efficiency has never been easier

Key Features

  • MicroSIZE Package: SOT-23
  • Low Dropout: 1 mV
  • High Output Current: 25 mA
  • Low Temperature Drift: Maximum of 100 ppm/°C
  • High Accuracy: 2%
  • Low IQ: Maximum of 50 µA


The Texas Instruments Voltage Reference REF2933AIDBZR is an advanced, reliable, and accurate voltage reference device designed for small surface mount applications. It has a robust 3.3V output voltage and an impressive 100 ppm/~C temperature coefficient. It also has an initial accuracy of 2%, ensuring that your device functions with consistent accuracy over time. The REF2933AIDBZR has a maximum load current of 25mA, making it suitable for use in battery-powered and power sensitive applications. Its small SOT-23-3 package also ensures that it takes up minimal surface area. The Texas Instruments Voltage Reference REF2933AIDBZR is an excellent choice for circuits that require a reliable, accurate and low power voltage reference.


VO (V) 3.3 Initial accuracy (max) (%) 2
Temp coeff (max) (ppm/°C) 100 Vin (min) (V) 3.301
Vin (max) (V) 5.5 Iq (typ) (mA) 0.042
Rating Catalog LFN 0.1 to 10 Hz (typ) (µVPP) 36
Iout/Iz (max) (mA) 25 Operating temperature range (°C) -40 to 125

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