Datasheet Intersil X9250US24 — Ficha de datos

DATASHEET
X9250 FN8165
Rev.3.00
August 29, 2006 Low Noise/Low Power/SPI Bus/256 Taps Quad Digitally Controlled
Potentiometers (XDCPв„ў)
FEATURES DESCRIPTION The X9250 integrates 4 digitally controlled
potentiometers (XDCP) on a monolithic CMOS
integrated circuit. Four potentiometers in one package
256 resistor taps/pot -0.4% resolution
SPI serial interface
Wiper resistance, 40пЃ— typical @ VCC = 5V
Four nonvolatile data registers for each pot
Nonvolatile storage of wiper position
Standby current < 5ВµA max (total package)
Power supplies
—VCC = 2.7V to 5.5V
—V+ = 2.7V to 5.5V
—V– = -2.7V to -5.5V
100kпЃ—, 50kпЃ— total pot resistance
High reliability
—Endurance – 100,000 data changes per bit per
register
—Register data retention -100 years …