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X9C102SIZ from INTERSIL

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X9C102SIZ

Manufacturer: INTERSIL, INTEISL, INTERISL

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

Partnumber Manufacturer Quantity Availability
X9C102SIZ INTERSIL, INTEISL, INTERISL 144 In Stock

Description and Introduction

Wiper Position Stored in Non-volatile Memory and Recalled on Power-up The **X9C102SIZ** is a digitally controlled potentiometer (XDCP) manufactured by **Intersil** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Type:** Digitally Controlled Potentiometer (XDCP)  
- **Resistance Value:** 1 kΩ  
- **Number of Taps:** 100  
- **Interface:** Up/Down (Increment/Decrement)  
- **Supply Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC  
- **Non-Volatile Memory:** Yes (Retains settings when powered off)  
- **End-to-End Resistance Tolerance:** ±20%  
- **Wiper Current (Max):** 3 mA  
- **Low Power Consumption:** Typically 3 mA (active), 750 µA (standby)  

### **Descriptions:**
- The **X9C102SIZ** is a solid-state potentiometer that replaces mechanical potentiometers with digital control.  
- It consists of a resistor array, wiper switches, and control logic.  
- The wiper position can be adjusted via a simple up/down interface.  
- Non-volatile memory ensures the last setting is retained when power is removed.  

### **Features:**
- **100 Taps:** Provides fine resolution for precise adjustments.  
- **Non-Volatile Storage:** Saves wiper position during power-off.  
- **Simple Digital Control:** Uses increment/decrement signals for adjustment.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Solid-State Reliability:** No mechanical wear, unlike traditional potentiometers.  
- **Wide Operating Voltage:** Compatible with standard 5V systems.  

This device is commonly used in applications requiring digitally controlled resistance adjustments, such as calibration, volume control, and sensor trimming.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • DS1804Z-010 --: Single digital potentiometer with 10k ohm resistance and SPI-like up/down interface, functionally similar to the X9C102 in a comparable SOIC package.
  • MCP41010-I/SN --: 10k ohm single-channel digital potentiometer with SPI interface, widely available and a common drop-in style replacement for X9C-series parts.
  • AD5220BRZ10 --: 10k ohm increment/decrement digital potentiometer with similar up/down control interface, suitable alternative when the X9C102 is unavailable.
  • AD5160BRJZ10-RL7 --: 10k single-channel digital potentiometer with SPI control in SOT-23, a good drop-in style alternative for similar circuit use.
  • DS1803Z-010+ --: Dual 10k digital potentiometer with I2C interface; offers comparable 10k resistance and digital control for replacement designs.

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