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X9319

Renesas
Part Number X9319
Manufacturer Renesas
Description Digitally Potentiometer
Published Jun 3, 2020
Detailed Description X9319 Digitally Controlled Potentiometer (XDCP™) The Intersil X9319 is a digitally controlled potentiometer (XDCP). The ...
Datasheet PDF File X9319 PDF File

X9319
X9319

Overview
X9319 Digitally Controlled Potentiometer (XDCP™) The Intersil X9319 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 DATASHEET FN8185 Rev 3.
00 July 31, 2014 Features • Solid-state potentiometer • 3-wire serial interface • Terminal voltage, 0 to +10V • 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 = 5V - Active current, 3mA max.
- Standby current, 1mA max.
• High reliability - Endurance, 100,000 data changes per bit - Register data retention, 100 years • RTOTAL value = 10kΩ • Package - 8 Ld SOIC • Pb-free (RoHS compliant) Block Diagram VCC (SUPPLY VOLTAGE) U/D INC CS UP/DOWN COUNTER 99 98 RH UP/DOWN (U/D) INCREMENT (INC) DEVICE SELECT (CS) CONTROL AND MEMORY VSS (GROUND) GENERAL RH 97 7-BIT 96 NONVOLATILE ONE OF RW MEMORY ONE HUNDRED DECODER WIPER RESISTOR SWITCHES ARRAY RL 2 VCC VSS STORE AND RECALL CONTROL CIRCUITRY 1 0 RL RW DETAILED FN8185 Rev 3.
00 July 31, 2014 Page 1 of 8 X9319 Ordering Information PART NUMBER (Notes 1, 2...


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