com 19-1948; Rev 1; 3/01 Miniature Electronically Trimmable Capacitor General Description The MAX1474 is a fine-line (geometry) electronically trimmable capacitor (FLECAP) programmable through a simple digital interface.
There are 32 programmable capacitance values ranging from 6.
4pF to 13.
3pF in 0.
22pF increments (Table 1).
The quartz dielectric capacitance is highly stable and exhibits a very low voltage coefficient.
It has virtually no dielectric absorption and has a very low temperature drift coefficient (33ppm/°C).
The MAX1474 is programmed through two digital interface pins, which have Schmidt triggers and pulldown resistors to secure capacitance programming.
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