Features: 6.95V Shunt Reference Guaranteed 0.5ppm/°C Temperature Coeffi cient Guaranteed 1 Maximum Dynamic Impedance Guaranteed 20VRMS Maximum Noise Guaranteed Initial Tolerance of 2% Wide Operating Current Range Available in 4-Lead TO-46 Metal CanApplication Precision Voltage Reference for Multi...
LM399A: Features: 6.95V Shunt Reference Guaranteed 0.5ppm/°C Temperature Coeffi cient Guaranteed 1 Maximum Dynamic Impedance Guaranteed 20VRMS Maximum Noise Guaranteed Initial Tolerance of 2% Wide Operatin...
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The LM199/LM399A precision shunt reference features excellent temperature stability over a wide range of voltage, temperature and operating current conditions. A stabilizing heater is incorporated with the active Zener on a monolithic substrate which nearly eliminates changes in voltage with temperature. The subsurface Zener operates over a current range of 0.5mA to 10mA, and offers minimal noise and excellent long-term stability.
Ideal applications for the LM199/LM399A include digital voltmeters, precision calibration equipment, current sources and a variety of other precision low cost references. A 10V buffered reference application is shown below.