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Automotive 3.3-V 50-ppm/°C, 50-µA in a 3-pin SOT-23 series (bandgap) voltage reference

REF3033-Q1 is not recommended for new designs
This product continues to be available for existing customers. New designs should consider an alternate product.
open-in-new Compare alternates
Drop-in replacement with upgraded functionality to the compared device
REF31-Q1 ACTIVE Automotive, 20-ppm/°C (max), 100-µA, 3-pin SOT-23 series voltage reference This product is a performance improvement.
Same functionality with different pin-out to the compared device
REF34-Q1 ACTIVE Automotive, low-drift, low-power, small-footprint series voltage reference This device offers low temperature drift at 6 ppm/°C, has an enable pin to save power and has a quiescent current of 95 µA maximum.
NEW REF35-Q1 ACTIVE Automotive, 650-nA quiescent current, 15-ppm/°C drift, ultra-low-power precision voltage reference Improved quiescent current, noise and other parameters

Product details

VO (V) 3.3 Temp coeff (max) (ppm/°C) 50, 60, 65, 80 Vin (min) (V) 3.301 Vin (max) (V) 5.5 Iq (typ) (mA) 0.042 Rating Automotive LFN 0.1 to 10 Hz (typ) (µVPP) 36 Iout/Iz (max) (mA) 25 Operating temperature range (°C) -40 to 85
VO (V) 3.3 Temp coeff (max) (ppm/°C) 50, 60, 65, 80 Vin (min) (V) 3.301 Vin (max) (V) 5.5 Iq (typ) (mA) 0.042 Rating Automotive LFN 0.1 to 10 Hz (typ) (µVPP) 36 Iout/Iz (max) (mA) 25 Operating temperature range (°C) -40 to 85
  • Qualified for Automotive Applications
  • Low Dropout Voltage: 1 mV
  • High Output Current: 25 mA
  • High Accuracy: 0.2%
  • Low Quiescent Current: 50 µA (Max)
  • Excellent Specified Drift Performance
    • 50 ppm/°C (Max), TA = 0°C to 70°C
    • 75 ppm/°C (Max), TA = –40°C to 125°C
  • APPLICATIONS
    • Portable, Battery-Powered Equipment
    • Data Acquisition Systems
    • Medical Equipment
    • Hand-Held Test Equipment

  • Qualified for Automotive Applications
  • Low Dropout Voltage: 1 mV
  • High Output Current: 25 mA
  • High Accuracy: 0.2%
  • Low Quiescent Current: 50 µA (Max)
  • Excellent Specified Drift Performance
    • 50 ppm/°C (Max), TA = 0°C to 70°C
    • 75 ppm/°C (Max), TA = –40°C to 125°C
  • APPLICATIONS
    • Portable, Battery-Powered Equipment
    • Data Acquisition Systems
    • Medical Equipment
    • Hand-Held Test Equipment

The REF30xx is a precision low-power low-dropout voltage reference family available in a tiny SOT23-3 (DBV) package.

The REF30xx small size and low power consumption (50 µA max) make it ideal for portable and battery-powered applications. The REF30xx does not require a load capacitor.

Unloaded, the REF30xx can be operated with supplies within 1 mV of output voltage. The device is specified for the automotive temperature range of –40°C to 125°C.

The REF30xx is a precision low-power low-dropout voltage reference family available in a tiny SOT23-3 (DBV) package.

The REF30xx small size and low power consumption (50 µA max) make it ideal for portable and battery-powered applications. The REF30xx does not require a load capacitor.

Unloaded, the REF30xx can be operated with supplies within 1 mV of output voltage. The device is specified for the automotive temperature range of –40°C to 125°C.

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* Data sheet 50 ppm/C Max, 50 uA, CMOS Voltage Reference datasheet 11 Jan 2010

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