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Based on a Labs project | October 2011 | Find it here
BURR-BROWN's REF200 provides in one 8-pin DIL package two Independent current sources, either of which can supply 100 µA, and a 1:1 current mirror. The pinout of the device is shown in here. Note that there are no pins for connecting a supply voltage. The correct operation of the current sources is, however, guaranteed when the potential across the source is not less than 2.5 V. The average drift with temperature is only 25 p.p.m./K The output impedance is not less than 100 MΩ. The operating voltage must not exceed 40 V.
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