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X9252US24IZ-2.7 Datasheet(PDF) 1 Page - Intersil Corporation |
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X9252US24IZ-2.7 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 19 page 1 ® FN8167.1 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. XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved All other trademarks mentioned are the property of their respective owners. X9252 Low Power + Quad 256-tap + 2-Wire Bus + Up/Down Interface Quad Digitally-Controlled (XDCP™) Potentiometer The X9252 integrates 4 digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented using 255 resistive elements in a series array. Between each pair of elements are tap points connected to wiper terminals through switches. The position of each wiper on the array is controlled by the user through the Up/Down (U/D) or 2-wire bus interface. The wiper of each potentiometer has an associated volatile Wiper Counter Register (WCR) and four non-volatile Data Registers (DRs) 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 through the switches. At power-up, the device recalls the contents of the default data registers DR00, DR10, DR20, DR30, to the corresponding WCR. Each DCP can be used as a three-terminal potentiometer or as a two terminal variable resistor in a wide variety of applications including the programming of bias voltages, the implementation of ladder networks, and three resistor programmable networks. Features • Quad Solid State Potentiometer • 256 Wiper Tap Points-0.4% Resolution • 2-Wire Serial Interface for Write, Read, and Transfer Operations of the Potentiometer • Up/Down Interface for Individual Potentiometers • Wiper Resistance: 40 Ω Typical • Non-Volatile Storage of Wiper Positions • Power On Recall. Loads Saved Wiper Position on Power- Up. • Standby Current < 20µA Max • Maximum Wiper Current: 3mA •VCC: 2.7V to 5.5V Operation •2.8k Ω,10kΩ, 50kΩ, 100kΩ Version of Total Pot Resistance • Endurance: 100, 000 Data Changes per Bit per Register • 100 yr. Data Retention • 24 Ld TSSOP • Pb-Free Plus Anneal Available (RoHS Compliant) Pinout X9252 (24 LD TSSOP) TOP VIEW RH2 RH3 RW2 1 2 3 4 5 6 7 14 20 19 18 17 16 15 X9252 DS0 DS1 A0 RW3 U/D RL3 SCL RL2 VSS RL1 RW0 CS RH0 RL0 RW1 RH1 VCC 8 9 10 13 WP A2 11 12 SDA A1 24 23 22 21 Data Sheet September 14, 2005 |
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