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Uref = 1,235 V bei 0,1 mA
Toleranz ± 0,3 %
typ. TK 20 ppm/K
Langzeitstabilität 20 ppm/h
Imax = 20 mA
Temperaturbereich 0 .... + 70 °C
The LT1004 Micropower Voltage Reference is a 2-terminal bandgap reference diode designed to provide high accuracy and excellent temperature characteristics at very low operating currents. Optimization of the key parameters in the design, processing and testing of the device results in accuracy specifications previously attainable only with selected units. Below is a distribution plot of reference voltage for a typical lot of LT1004-1.2. Virtually all of the units fall well within the prescribed limits of ±4mV.
The LT1004 is a pin-for-pin replacement for the LM185/LM385 series of references with improved accuracy specifications. More important, the LT1004 is an attractive device for use in systems where accuracy was previously obtained at the expense of power consumption and trimming.
For a low drift micropower reference with guaranteed temperature coefficient, see the LT1034 data sheet.
Portable Meter References
Portable Test Instruments
Current Loop Instrumentation
L, LM, LF, LT
Linear Technology (jetzt Analog Devices)