Found 4 alternatives for ISL23315TFRUZ-T7A by Renesas Electronics America Inc. Data Acquisition Digital Potentiometers — 10-UFQFN.
DIGITAL POT, 10000OHM
IC DGTL POT 100KOHM 10UTQFN
DIGIPOT, 256 PSTN, PQCC10
IC DGT POT 50KOHM 128TAP 10UTQFN