Datasheet

MCP4XXX Digital Potentiometer Daughter Board User’s Guide

TABLE B-2: BILL OF MATERIALS — COMPONENTS NOT INSTALLED

Qty Reference Description Manufacturer Part Number

0 R1, R2, R3, R4, R5,

R7, R9, R10, R11,

R12, R13, R14,

R15, R16

Pull-up or Pull-down resistors

Surface-mount (805 package)

——

0 R20, R21 Wiper (U1-P0W, U1-P1W) Inline resistor

(1)

Surface-mount (805 package)

——

Note 1: This resistor when installed is typically 0W, but depending on the PICDEM Demo Board that it selected,

modifications may be required on that PICDEM Demo Board to ensure that the wiper outputs are not

adversely affected.An example of this is the removal of the R4 resistor on the PICDEM HPC Explorer

Board (Rev 4 PCB) so that the circuitry on the AN1 signal line does not interfere with the operation of the

U1-P0W signal.