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X9119TV14Z Datasheet(PDF) 1 Page - Intersil Corporation |
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X9119TV14Z Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 17 page 1 ® FN8162.4 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2008. All Rights Reserved All other trademarks mentioned are the property of their respective owners X9119 Single Supply/Low Power/1024-Tap/2-Wire Bus Single Digitally-Controlled (XDCP™) Potentiometer The X9119 integrates a single digitally controlled potentiometer (XDCP™) on a monolithic CMOS integrated circuit. The digital controlled potentiometer is implemented using 1023 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the 2-wire bus interface. The potentiometer has associated with it a volatile Wiper Counter Register (WCR) and a four non-volatile Data Registers that can be directly written to and read by the user. The contents of the WCR controls the position of the wiper on the resistor array though the switches. Powerup recalls the contents of the default data register (DR0) to the WCR. The XDCP™ can be used as a three-terminal potentiometer or as a two terminal variable resistor in a wide variety of applications including control, parameter adjustments, and signal processing. Features • 1024 Resistor Taps – 10-Bit Resolution • 2-Wire Serial Interface for Write, Read, and Transfer Operations of the Potentiometer • Wiper Resistance, 40 Ω Typical @ V CC = 5V • Four Non-Volatile Data Registers • Non-Volatile Storage of Multiple Wiper Positions • Power-on Recall. Loads Saved Wiper Position on Power-up. • Standby Current < 3µA Max •VCC: 2.7V to 5.5V Operation •100k Ω End-to-End Resistance • 100 yr. Data Retention • Endurance: 100,000 Data Changes Per Bit Per Register • 14 Ld TSSOP • Low Power CMOS • Single Supply Version of the X9118 • Pb-Free available (RoHS compliant) Functional Diagram RH RL BUS RW INTERFACE CONTROL POT VCC VSS 2-WIRE BUS ADDRESS DATA STATUS WRITE READ WIPER 1024-TAPS TRANSFER NC NC 100k Ω POWER-ON RECALL WIPER COUNTER REGISTER (WCR) DATA REGISTERS (DR0-DR3) CONTROL INTERFACE AND Data Sheet July 9, 2008 |
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