Description:The ISL23328 is a volatile, low voltage, low noise, low power, 128-Tap, dual digitally controlled potentiometer (DCP) with an I2C Bus™ interface. It integrates two DCP cores, wiper switches and control logic on a monolithic CMOS integrated circuit. Each 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. Each potentiometer has an associated volatile Wiper Register (WR
Renesas provides a recommended PCB layout guide in the ISL23328WFRUZ-TK evaluation board user manual, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
The ISL23328WFRUZ-TK has a programmable voltage range, and the configuration can be done through the I2C interface. The device has a set of registers that control the voltage range, and the user can write to these registers to set the desired voltage range. The datasheet provides more information on the register addresses and bit definitions.
The maximum current rating for the output stages of the ISL23328WFRUZ-TK is 10mA per channel. However, the actual current rating may be limited by the thermal performance of the device and the PCB design. It's recommended to check the thermal derating curves in the datasheet to ensure the device operates within the safe operating area.
The ISL23328WFRUZ-TK has built-in fault detection and protection features, including overcurrent protection, overvoltage protection, and thermal shutdown. The device also has a fault flag output that can be used to detect faults and take corrective action. The datasheet provides more information on how to implement fault detection and protection in your design.
The recommended power-up sequence for the ISL23328WFRUZ-TK is to power up the VCC supply first, followed by the VLOGIC supply. This ensures that the device powers up correctly and avoids any potential latch-up or damage. The datasheet provides more information on the recommended power-up sequence.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ISL23328WFRUZ-TK Overview
Use the download button to access the ISL23328WFRUZ-TK schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ISL23,
or try a keyword search, such as Digital Potentiometers
