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X9418

Renesas
Part Number X9418
Manufacturer Renesas
Description Dual Digitally Potentiometer
Published Jun 3, 2020
Detailed Description X9418 NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL...
Datasheet PDF File X9418 PDF File

X9418
X9418

Overview
X9418 NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.
intersil.
com/tsc Low Noise/Low Power/2-Wire Bus Dual Digitally Controlled Potentiometers (XDCP™) DATASHEET FN8194 Rev 2.
00 October 12, 2006 FEATURES • Two potentiometers in one package • 2-wire serial interface • Register oriented format —Direct Read/Write/Transfer Wiper Position —Store as many as Four Positions per Potentiometer • Power supplies —VCC = 2.
7V to 5.
5V —V+ = 2.
7V to 5.
5V —V– = -2.
7V to -5.
5V • Low power CMOS —Standby current < 1µA —Ideal for Battery Operated Applications • High reliability —Endurance–100,000 Data Changes per Bit per Register —Register Data Retention–100 years • 8-bytes of nonvolatile memory • 2.
5k, 10k resistor array • Resolution: 64 taps each potentiometer • 24-pin plastic DIP, 24-lead TSSOP and 24-lead SOIC packages • Pb-Free plus anneal available (RoHS compliant) DESCRIPTION The X9418 integrates two digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.
The digitally controlled potentiometer is implemented using 63 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.
Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 nonvolatile Data Registers (DR0:DR3) 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.
Power up recalls the contents of 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.
BLOCK DIAGRAM VCC VSS V+ V- WP SCL SDA A0 A1 A2 A3 Interface and Control Circuitry 8 Data R0 R1 R2 R3 Wiper Counter...


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