DS3501U+T&R/H

Digital Potentiometers Overview

The DS3501U+T&R/H is a high-voltage, nonvolatile digital potentiometer featuring an I2C-compatible serial interface. It provides 128 wiper tap points with a full-scale resistance of 10kΩ and supports analog operating voltages from 4.5V to 15.5V. The device integrates an on-chip temperature sensor and ADC that drive a 36-byte nonvolatile lookup table (LUT). This architecture enables temperature-compensated outputs with arbitrary slope characteristics. Digital logic operates between 2.7V and 5.5V, while the package is a 10-pin µSOP.

Digital Potentiometers Feature Summary

• Nonvolatile memory with 128 wiper positions and 10kΩ total resistance
• Integrated temperature sensor and 36-byte LUT for closed-loop compensation
• I2C interface supporting up to 400kHz clock speeds
• High-voltage capability with V+ range of 4.5V to 15.5V

Digital Potentiometers Applications

• TFT-LCD VCOM calibration
• Linear and nonlinear circuit compensation
• Instrumentation and industrial control systems
• Mechanical potentiometer replacement
• Optical transceiver biasing

Digital Potentiometers Procurement Notes

Verify the specific suffix 'H' against official documentation, as standard listings typically use 'U+' or 'U+T&R'. Confirm the tape-and-reel packaging configuration matches production requirements. Ensure the voltage ratings align with system design constraints before procurement.

Digital Potentiometers Selection Notes

Select this component when high-voltage analog control is required alongside digital programmability. The integrated LUT simplifies temperature compensation algorithms by mapping sensor data directly to wiper positions. Verify I2C bus address configurations using A0 and A1 pins if multiple devices share the same bus.

Digital Potentiometers Part Context

This part belongs to the DS3501 family of high-voltage digital potentiometers. It is pin and software compatible with the ISL95311 in default mode. The device replaces mechanical pots in applications requiring precise, nonvolatile resistance adjustment controlled via digital interfaces.

Digital Potentiometers Replacement Considerations

The DS3501U+ is the tube-packaged equivalent. The DS3501U+T&R is the standard tape-and-reel version. Verify compatibility with ISL95311 if migrating from Renesas designs.