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X9317

Renesas
Part Number X9317
Manufacturer Renesas
Description Digitally Controlled Potentiometer
Published Jan 19, 2020
Detailed Description DATASHEET X9317 Low Noise, Low Power, 100 Taps, Digitally Controlled Potentiometer (XDCP™) FN8183 Rev.10.00 Dec 17, 20...
Datasheet PDF File X9317 PDF File

X9317
X9317

Overview
DATASHEET X9317 Low Noise, Low Power, 100 Taps, Digitally Controlled Potentiometer (XDCP™) FN8183 Rev.
10.
00 Dec 17, 2018 The 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) VCC (SUPPLY VOLTAGE) UP/DOWN (U/D) INCREMENT (INC) DEVICE SELECT (CS) CONTROL AND MEMORY VSS (GROUND) GENERAL U/D INC CS RH RW RL VCC VSS UP/DOWN COUNTER 7-BIT NONVOLATILE MEMORY STORE AND RECALL CONTROL CIRCUITRY 99 98 97 ONE 96 OF ONE HUNDRED DECODER 2 1 0 WIPER RESISTOR SWITCHES ARRAY FIGURE 1.
BLOCK DIAGRAM DETAILED RH RL RW FN8183 Rev.
10.
00 Dec 17, 2018 Page 1 of 14 X9317 Ordering Information ...


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