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X9259

Renesas
Part Number X9259
Manufacturer Renesas
Description Quad Digitally Potentiometers
Published Jun 3, 2020
Detailed Description DATASHEET X9259 Single Supply/Low Power/256-Tap/2-Wire Bus Quad Digitally-Controlled (XDCP™) Potentiometers FN8169 Rev...
Datasheet PDF File X9259 PDF File

X9259
X9259

Overview
DATASHEET X9259 Single Supply/Low Power/256-Tap/2-Wire Bus Quad Digitally-Controlled (XDCP™) Potentiometers FN8169 Rev 6.
00 December 12, 2014 The X9259 integrates four digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit.
The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches.
The position of the wipers are controlled by the user through the 2-wire bus interface.
Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and four nonvolatile Data Registers that can be directly written to and read by the user.
The content of the WCR controls the position of the wiper.
At power-up, the device recalls the content of the default Data Registers of each DCP (DR00, DR10, DR20, and DR30) to the corresponding 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.
Features • Four separate potentiometers in one package • 256 resistor taps–0.
4% resolution • 2-wire serial interface for write, read, and transfer operations of the potentiometer • Wiper resistance: 100Ω typical at VCC = 5V • 4 nonvolatile data registers for each potentiometer • Nonvolatile storage of multiple wiper positions • Standby current <5µA max • VCC: 2.
7V to 5.
5V operation • 50kΩ version of total resistance • Endurance: 100,000 data changes per bit per register • 100 year data retention • Single supply version of X9258 • 24 Ld SOIC, 24 Ld TSSOP • Low power CMOS • Pb-Free (RoHS compliant) Functional Diagram VCC RH0 RH1 RH2 RH3 A3 A2 A1 A0 SDA SCL 2-WIRE INTERFACE POWER UP, INTERFACE CONTROL AND STATUS WCR0 DR00 DR01 DR02 DR03 DCP0 WCR1 DR10 DR11 DR12 DR13 DCP1 WCR2 DR20 DR21 DR22 DR23 DCP2 WCR3 DR30 DR31 DR32 DR33 DCP3 VSS WP RW0 RL0 RW1 RL1 RW2 RL2 RW3 RL3 FN8169 Rev 6.
00 December 12, 2014 Page 1 of 21 X9259 Ordering Informatio...


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