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MAX5461EXT from MAXIM,MAXIM - Dallas Semiconductor

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MAX5461EXT

Manufacturer: MAXIM

32-Tap FleaPoT / 2-Wire Digital Potentiometers

Partnumber Manufacturer Quantity Availability
MAX5461EXT MAXIM 10 In Stock

Description and Introduction

32-Tap FleaPoT / 2-Wire Digital Potentiometers The MAX5461EXT is a digital potentiometer manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Type:** Digital Potentiometer (DigiPot)  
- **Resistance Range:** 10kΩ, 50kΩ, 100kΩ (selectable)  
- **Number of Taps:** 256 positions  
- **Interface:** 3-Wire SPI-Compatible Serial Interface  
- **Supply Voltage (VDD):** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 6-Pin SOT23  
- **Non-Volatile Memory:** No (Volatile)  
- **End-to-End Resistance Tolerance:** ±20%  
- **Low Power Consumption:** 3µA (Standby), 1mA (Active)  

### **Descriptions:**
The MAX5461EXT is a digitally controlled potentiometer that replaces mechanical potentiometers in applications requiring adjustable resistance. It features a 256-tap linear taper and operates via a simple 3-wire SPI interface. It is designed for applications such as volume control, LCD contrast adjustment, and programmable gain amplifiers.

### **Features:**
- **256-Position Resolution** for fine adjustments.  
- **SPI-Compatible Serial Interface** for easy digital control.  
- **Wide Operating Voltage Range (2.7V to 5.5V)** for compatibility with various systems.  
- **Low Power Consumption** suitable for battery-powered devices.  
- **Small 6-Pin SOT23 Package** for space-constrained designs.  
- **No Non-Volatile Memory** (volatile settings reset on power loss).  
- **End-to-End Resistance Options:** 10kΩ, 50kΩ, or 100kΩ.  

This information is strictly based on the manufacturer's datasheet and product details.

Application Scenarios & Design Considerations

32-Tap FleaPoT / 2-Wire Digital Potentiometers

Alternative Part Number

  • DS1804Z-010+ --: Digital potentiometer from Maxim's DS1804 series with similar single-tap 10k configuration, a direct functional substitute for the MAX5461.
  • MCP4017T-103E/LT --: Single-channel I2C digital potentiometer with 10k resistance, comparable resolution and interface, suitable drop-in alternative.
  • AD5241BRZ10 --: I2C digital potentiometer with 10k end-to-end resistance and similar volatile wiper control, a viable cross-manufacturer replacement.

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