August 2005
Intermediate to advanced
608 pages
18h 12m
English
Content preview from Current Sources and Voltage References
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ALD breaks the gate-threshold barrier
Figure 9.19. A mirror current source using an ALD ETRIM
TM
precision-matched N-channel
pair, with a precision P-channel MOSFT pair. The ETRIM
TM
has been pro-
grammed for operation at a very low 0.20V
TH
.
Figure 9.20. A current sink multiplier using an ALD110802 ETRIM
TM
ultra-low-threshold, quad
N-channel array. In this example I
set
is multiplied by the other transistors. The sup-
ply voltage is 0.75V (a typical diode’s V
Fwd
), and the FET’s gate V
TH
is only 0.2V.
ALD breaks the gate-threshold barrier
Using Analog ...
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