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SOT23 voltage reference offers 10ppm/degrees C drift and limits noise to only 1.6ppm

August 12, 2010 // Paul Buckley

SOT23 voltage reference offers 10ppm/degrees C drift and limits noise to only 1.6ppm

Linear Technology introduces a SOT23 series voltage reference designed specifically for precision operation from -40 to 125 degrees C. The voltage reference combines 0.05 percent initial accuracy, 10 ppm temperature drift and low frequency noise of only 1.6 ppm.

The LT6654 can operate on a supply voltage as low as 100 mV above the output, and it maintains a line regulation error of only 5 ppm/V on a supply voltage up to 36 V.  The buffered output enables source or sink capability up to 10 mA, and limits load regulation error to only 8 ppm/mA.  

In addition, the sink capability allows the LT6654 to operate as a negative voltage reference without compromising precision.  Advanced design, processing and packaging techniques ensure long term stability, as well as low thermal hysteresis over the full temperature range of -40 to 125 degrees C.

Summary of Features: LT6654

  • Excellent Accuracy & Drift:
  • A-Grade (0.05 percent Initial Accuracy, 10ppm/ degrees C Drift)
  • B-Grade (0.10 percent Initial Accuracy, 20ppm/ degrees C Drift)
  • Fully Specified from -40 to 125 degrees C
  • 1.6 ppmP-P Noise (0.1 Hz to 10 Hz)
  • +10 mA Sink & Source Capability
  • 100 mV Dropout Voltage
  • Supply Voltage up to 36 V
  • Load Regulation: 8 ppm/mA Max
  • Line Regulation: 5 ppm/V Max
  • 2.5 V Voltage Option Available Now
  • Soon to be released: 1.25V, 2.048 V, 3 V, 3.3 V, 4.096 V & 5 V
  • 6-Lead SOT23 Package
Availability and Pricing

The LT6654 is currently in production with a 2.5V output version. Additional voltage options will be available soon. Prices start at 1.55 US Dollars each in 1,000-piece quantities.
Related link: LT6654

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