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X9317WM8IZ-2.7 Datasheet(PDF) 1 Page - Intersil Corporation |
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X9317WM8IZ-2.7 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 DATASHEET Low Noise, Low Power, 100 Taps, Digitally Controlled Potentiometer (XDCP™) X9317 The Intersil X9317 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 a 3-wire interface. The potentiometer is implemented by a resistor array composed of 99 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The position of the wiper element is controlled by the CS, U/D, and INC inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation. The device can be used as a three-terminal potentiometer for voltage control or as a two-terminal variable resistor for current control in a wide variety of applications. Applications •LCD bias control • DC bias adjustment • Gain and offset trim • Laser diode bias control • Voltage regulator output control Features • Solid-state potentiometer • 3-wire serial up/down interface • 100 wiper tap points - Wiper position stored in nonvolatile memory and recalled on power-up • 99 resistive elements - Temperature compensated - End-to-end resistance range ±20% •Low power CMOS -VCC = 2.7V to 5.5V, and 5V ±10% - Standby current <5µA • High reliability - Endurance, 100,000 data changes per bit - Register data retention, 100 years •RTOTAL values = 10kΩ, 50kΩ, 100kΩ •Packages - 8 Ld SOIC, TSSOP, and MSOP • Pb-free (RoHS compliant) UP/DOWN COUNTER 7-BIT NONVOLATILE MEMORY STORE AND RECALL CONTROL CIRCUITRY ONE OF ONE DECODER RESISTOR ARRAY RH U/D INC CS WIPER SWITCHES HUNDRED VCC VSS RL RW CONTROL AND MEMORY UP/DOWN (U/D) INCREMENT (INC) DEVICE SELECT (CS) VCC (SUPPLY VOLTAGE) VSS (GROUND) RH RW RL GENERAL DETAILED 0 1 2 96 97 98 99 FIGURE 1. BLOCK DIAGRAM November 4, 2014 FN8183.9 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2004, 2005, 2008, 2009, 2012, 2014. All Rights Reserved Intersil (and design) and XDCP are trademarks owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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