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X9C103SI from XICOR

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X9C103SI

Manufacturer: XICOR, X散新, INTERSIL

Wiper Position Stored in Non-volatile Memory and Recalled on Power-up

Partnumber Manufacturer Quantity Availability
X9C103SI XICOR, X散新, INTERSIL 5541 In Stock

Description and Introduction

Wiper Position Stored in Non-volatile Memory and Recalled on Power-up The X9C103SI is a digitally controlled potentiometer (XDCP) manufactured by Intersil (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Type:** 100-Tap Digitally Controlled Potentiometer (XDCP)  
- **Resistance Value:** 10 kΩ  
- **Tolerance:** ±20%  
- **End-to-End Resistance Temperature Coefficient:** 750 ppm/°C  
- **Wiper Resistance:** 40 Ω typical  
- **Supply Voltage Range:** 3V to 5.5V  
- **Low Power Consumption:** 3 mA max active current, 500 µA max standby current  
- **Non-Volatile Memory:** Stores wiper position on power-down  
- **Interface:** 3-wire (CS, U/D, INC) serial control  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-lead SOIC (Small Outline IC)  

### **Descriptions:**  
- The X9C103SI is a solid-state potentiometer that replaces mechanical potentiometers with digital control.  
- It provides 100 tap points for precise resistance adjustments.  
- The non-volatile memory ensures the wiper position is retained when power is removed.  
- It is commonly used in applications requiring programmable resistance, such as calibration, volume control, and sensor trimming.  

### **Features:**  
- **100 Tap Points:** Allows fine resolution adjustments.  
- **Non-Volatile Storage:** Saves wiper position during power-off.  
- **Low Power Operation:** Suitable for battery-powered devices.  
- **Compact SOIC Package:** Space-efficient for PCB designs.  
- **Wide Voltage Range:** Operates from 3V to 5.5V.  
- **Increment/Decrement Control:** Simple 3-wire digital interface.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Wiper Position Stored in Non-volatile Memory and Recalled on Power-up

Alternative Part Number

  • DS1803Z-010 --: Dual 10k digital potentiometer with I2C interface, functionally similar to the X9C103 and widely available.
  • MCP4011-103E/SN --: Single 10k digital potentiometer in SOIC package, comparable resolution and simple up/down interface.
  • AD5220BRZ10 --: 10k digital potentiometer with increment/decrement control, similar to the X9C103 in function and package.
  • MCP41010-I/SN --: Single 10k SPI digital potentiometer in SOIC package, a common drop-in style replacement for X9C103 designs.
  • AD5241BRZ10 --: 10k I2C digital potentiometer with comparable resolution and package options, suitable as a higher-grade alternative.
  • MCP4131-103E/P --: 10k single digital potentiometer with SPI interface, low cost and easy drop-in for many X9C103 applications.
  • DS1803Z-010+ --: Dual 10k digital potentiometer with I2C interface, functionally similar to the X9C103 10k single potentiometer; different series and manufacturer, widely available.

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