SOT23 voltage reference offers 10ppm/degrees C drift and limits noise to only 1.6ppm
August 12, 2010 // Paul Buckley
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
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 All news
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