The DS4303 is a nonvolatile (NV) electronically programmable voltage reference. The reference voltage
is programmed in-circuit during factory calibration/programming. Programming the reference voltage,
VOUT, is as simple as applying the desired voltage on
VIN and toggling the adjust pin (ADJ-bar) to lock the VOUT
voltage level indefinitely, even if the device is power
cycled. The DS4303 replaces current cumbersome factory
adjustment arrangements with a low-cost solution
that can be adjusted using automated techniques. In
addition, the DS4303 has the ability to be readjusted
after the unit has been fully assembled and tested. This
results in a much more flexible manufacturing arrangement,
lower inventory costs, and a quicker time-to-market.
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DS4303K EVALUATION BOARD
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To facilitate evaluation of the DS4303 in its tiny SOT23 package, it is available mounted on a small (16mm x 10mm) evaluation board. The board includes a 0.1µF decoupling capacitor on the supply input. The part number for the evaluation board is DS4303K and it available as a free sample.
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