DESCRIPTION
The X9258 integrates 4 digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit.

FEATURES
• Four potentiometers in one package
• 256 resistor taps/pot–0.4% resolution
• 2-wire serial interface
• Wiper resistance, 40Ω typical @ V+ = 5V, V- = -5V
• Four nonvolatile data registers for each pot
• Nonvolatile storage of wiper position
• Standby current < 5µA max (total package)
• Power supplies
   —VCC = 2.7V to 5.5V
   —V+ = 2.7V to 5.5V
   —V- = -2.7V to -5.5V
• 100KΩ, 50KΩ total pot resistance
• High reliability
   —Endurance – 100,000 data changes per bit per
      register
   —Register data retention – 100 years
• 24-lead SOIC, 24-lead TSSOP, 24-lead CSP (Chip
   Scale Package)
• Dual supply version of X9259