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ISL22326 Functional Diagram
Integrated Circuits (ICs)

ISL22326WFR16Z-TK

Active
Renesas Electronics Corporation

DUAL DIGITALLY CONTROLLED POTENTIOMETERS (XDCP™), LOW NOISE, LOW POWER, I2C™ BUS, 128 TAPS

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ISL22326 Functional Diagram
Integrated Circuits (ICs)

ISL22326WFR16Z-TK

Active
Renesas Electronics Corporation

DUAL DIGITALLY CONTROLLED POTENTIOMETERS (XDCP™), LOW NOISE, LOW POWER, I2C™ BUS, 128 TAPS

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Technical Specifications

Parameters and characteristics for this part

SpecificationISL22326WFR16Z-TK
ConfigurationPotentiometer
FeaturesSelectable Address
InterfaceI2C
Memory TypeNon-Volatile
Mounting TypeSurface Mount
Number of Circuits2
Number of Taps128
Operating Temperature [Max]125 °C
Operating Temperature [Min]-40 °C
Package / Case16-TFQFN Exposed Pad
Resistance - Wiper (Ohms) (Typ)70 Ohms
Resistance (Ohms)10k
Supplier Device Package16-QFN (4x4)
TaperLinear
Temperature Coefficient (Typ)50 ppm/°C
Tolerance20 %
Voltage - Supply [Max]5.5 V
Voltage - Supply [Min]2.7 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyTape & Reel (TR) 1000$ 1.56
2000$ 1.48
5000$ 1.42

Description

General part information

ISL22326 Series

The ISL22326 integrates two digitally controlled potentiometers (XDCP) and non-volatile memory 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 I2C bus interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The contents of the WR controls the position of the wiper. At power-up the device recalls the contents of the two DCP's IVR to the corresponding WRs. The DCPs can be used as three-terminal potentiometers or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing.

Documents

Technical documentation and resources