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MAX5478EUD from MAX,MAXIM - Dallas Semiconductor

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MAX5478EUD

Manufacturer: MAX

Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers

Partnumber Manufacturer Quantity Availability
MAX5478EUD MAX 30 In Stock

Description and Introduction

Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers The MAX5478EUD is a digital potentiometer manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:

### **Manufacturer:**  
Maxim Integrated (Analog Devices)  

### **Part Number:**  
MAX5478EUD  

### **Description:**  
The MAX5478EUD is a 256-tap, nonvolatile, linear-taper digital potentiometer. It is designed to replace mechanical potentiometers in applications requiring programmable resistance adjustments.  

### **Key Features:**  
- **Nonvolatile Memory:** Retains wiper position settings when power is removed.  
- **256-Tap Resolution:** Provides fine adjustment capability.  
- **Resistance Values:** Available in 10kΩ, 50kΩ, and 100kΩ options.  
- **Wide Supply Voltage Range:** Operates from **2.7V to 5.5V**.  
- **Low Power Consumption:**  
  - **0.5µA (typ) shutdown current.**  
  - **1mA (max) operating current.**  
- **3-Wire SPI-Compatible Interface:** Allows easy digital control.  
- **End-to-End Resistance Tolerance:** ±20%.  
- **Temperature Range:** **-40°C to +85°C**.  
- **Package:** **14-TSSOP (Thin Shrink Small Outline Package).**  

### **Applications:**  
- Volume control in audio systems.  
- LCD contrast/brightness adjustment.  
- Programmable voltage references.  
- Industrial and automotive calibration.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers
Partnumber Manufacturer Quantity Availability
MAX5478EUD MAXIM 4 In Stock

Description and Introduction

Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers The MAX5478EUD is a digital potentiometer manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Type:** Digital Potentiometer  
- **Configuration:** Single, 256-Tap Positions  
- **Resistance Range:** 10 kΩ, 50 kΩ, 100 kΩ  
- **Interface:** 3-Wire SPI-Compatible  
- **Supply Voltage (VDD):** 2.7V to 5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-TSSOP  

### **Descriptions:**  
The MAX5478EUD is a nonvolatile, linear-taper digital potentiometer that replaces mechanical potentiometers. It features a 256-tap position and stores the wiper setting in EEPROM when power is removed. It is controlled via a 3-wire SPI-compatible interface and is suitable for applications requiring digitally controlled resistance adjustments.

### **Features:**  
- **Nonvolatile Wiper Storage:** Retains settings when powered off.  
- **Low Power Consumption:** 5µA (max) standby current.  
- **SPI-Compatible Interface:** Simple digital control.  
- **Wide Operating Voltage:** Supports 2.7V to 5.25V.  
- **End-to-End Resistance Tolerance:** ±20%.  
- **Small Footprint:** 14-pin TSSOP package.  
- **Monotonic Wiper Adjustment:** Ensures reliable performance.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers

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