ISL23345 Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP) 4 256 Volatile I2 C 10, 50, 100 1.7 to 55 N/A 0 to 5.5 Linear ± 3 70 5 125 ± 45, 65, 125 1.37 20 Ld QFN 20 Ld QFN T+R 20 Ld TSSOP 20 Ld TSSOP T+R ISL23445 Quad, 256 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP) 4 256 Volatile SPI 10, 50, 100 1.7 to 5.5 N/A 0 to 5.5 Linear ± 3 70 5 125 ± 45, 65, 125 1.37 20 Ld QFN 20 Ld QFN T+R 20 Ld TSSOP 20 Ld TSSOP T+R ISL90840 Quad Digitally Controlled Potentiometers (XDCP) 4 256 Volatile I2 C 10, 50 2.7 to 5.5 N/A 0 to 5.5 Linear ± 3 70 2 105 ± 45 1.98 20 Ld TSSOP 20 Ld TSSOP20 Ld TSSOP T+R ISL90841 Quad Digitally Controlled Potentiometers (XDCP) 4 256 Volatile I2 C 10, 50 2.7 to 5.5 N/A 0 to 5.5 Linear ± 3 70 5 85 ± 45 1.87 14 Ld TSSOP 14 Ld TSSOP T+R ISL90842 Quad Digitally Controlled Potentiometers (XDCP) 4 256 Volatile I2 C 10, 50 2.7 to 5.5 N/A 0 to 5.5 Linear ± 3 70 5 85 ± 45 1.76 14 Ld TSSOP 14 Ld TSSOP T+R ISL90843 Quad Digital Controlled Potentiometers (XDCP); Low Noise, Low Power, I2 C® Bus, 256 Taps 4 256 Volatile I2 C 10, 50 2.7 to 5.5 N/A 0 to 5.5 Linear ± 3 70 600 85 ± 45 1.67 10 Ld MSOP 10 Ld MSOP T+R