ISL22343WFR20Z - Intersil

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ISL22343WFR20Z
Manufacturer

Intersil
ChipWorker Part#

CW122263293
Category

Digital Potentiometer IC
Package

VQFN-20
Description

Digital Potentiometer 10KΩ 256POS Non-Volatile Linear 20Pin QFN EP Tube
Documentation

Datasheet

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ISL22343WFR20Z Specifications

Attribute	Attribute Value

Part Number	ISL22343WFR20Z
Manufacturer	Intersil
ChipWorker Part#	CW122263293
Category	Digital Potentiometer IC
Documentation	Datasheet
Number of Pins	20 Pin
Case/Package	VQFN-20
Capacitance Tolerance	±20 %
Supply Current	0.006 mA
Number of Circuits	4 Circuit
Number of Positions	256 Position
Resistance	10 kΩ
Supply Voltage	2.25V ~ 5.5V
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Operating Temperature	-40℃ ~ 125℃
Temperature Coefficient	±85 ppm/℃
Product Lifecycle Status	Active
Packaging	Rail, Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

Low Noise, Low Power, I2C Bus, 256 Taps
The ISL22343 integrates four digitally controlled potentiometers (DCP), control logic and non-volatile memory on a monolithic CMOS integrated circuit.
The digitally controlled potentiometer is 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. The potentiometer has an associated volatile Wiper Register (WRi) and a non-volatile Initial Value Register (IVRi) that can be directly written to and read by the user. The contents of the WRi control the position of the corresponding wiper. At power up the device recalls the contents of the DCP’s IVRi to the correspondent WRi.
Features
• Four potentiometers in one package
• 256 resistor taps
• I2C serial interface
- Three address pins, up to eight devices per bus
• Non-volatile EEPROM storage of wiper position
• 11 General Purpose non-volatile registers
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T 55°C
• Wiper resistance: 70 typical @ 1mA
• Standby current <4µA max
• Shutdown current <4µA max
• Dual power supply
- VCC = 2.25V to 5.5V
- V- = -2.25V to -5.5V
• 10k, 50k or 100k total resistance
• Extended industrial temperature range: -40°C to +125°C
• 20 Ld TSSOP or 20 Ld QFN
• Pb-free (RoHS compliant)

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