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ISL95311UIU10Z Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL95311UIU10Z Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 11 page 1 ® FN8084.0 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | 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. ISL95311 Digitally Controlled Potentiometer (XDCP™) Terminal Voltage 0V to 13.2V, 128 Taps I2C Interface The Intersil ISL95311 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled by an I2C interface. The potentiometer is implemented by a resistor array composed of 127 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The wiper of the potentiometer has an associated volatile Wiper Counter Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The contents of the WR controls the position of the wiper on the resistor array through the switches. At power-up, the device recalls the contents of the IVR to the corresponding WR. The device can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications, including: • LCD contrast control • Parameter and bias adjustments • Industrial and automotive control • Mechanical pot replacement Features • Non-volatile solid-state potentiometer •I2C serial interface • DCP terminal voltage, 0V to +13.2V • 128 wiper tap points - 0.8% resolution - Wiper position stored in nonvolatile memory and recalled on power-up • 127 resistive elements - Temperature compensated - Low wiper resistance 70 Ω typical @ 3.3V • Low power CMOS - Standby current, 2µA @ VCC = +3.6V • High reliability - Endurance, 200,000 data changes per bit - Register data retention 50 years @ T ≤ 75°C •RTOTAL values = 10kΩ, 50kΩ • 10-lead MSOP package - Pb-free plus anneal available (RoHS compliant) Pinout ISL95311 (10-LD MSOP) TOP VIEW Ordering Information PART NUMBER RESISTANCE OPTION ( Ω) TEMP RANGE (°C) PACKAGE ISL95311WIU10Z (See Note) 10K -40 to +85 10-Ld MSOP (Pb-Free) ISL95311UIU10Z (See Note) 50K -40 to +85 10-Ld MSOP (Pb-Free) Add “-TK” suffix for tape and reel. NOTE: Intersil Pb-free plus anneal products employ special Pb- free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. VCC SCL SDA GND 1 2 3 4 10 9 8 7 RH RW A0 V+ 5 RL 6 A1 Data Sheet May 6, 2005 |
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