The ISL22346UFRT20Z is a digital potentiometer IC manufactured by Renesas. It is designed for use in automotive and off-road applications. It offers 128 taps, fine range-setting, and a 4x4 mm TQFN package. It also features a quad digital control (DCP) interface, independent non-volatile memory (NV), and split-tap configuration. Additionally, the chip has ± 20 ppm/°C drift, a low-drift VDD range down to 1.6V, and low-power CMOS technology. It is certified for AEC-Q100 and is ideal for automotive engine control and fuel systems.