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MAX5451EUD from MAXIM,MAXIM - Dallas Semiconductor

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MAX5451EUD

Manufacturer: MAXIM

Dual / 256-Tap / Up/Down Interface / Digital Potentiometers

Partnumber Manufacturer Quantity Availability
MAX5451EUD MAXIM 2542 In Stock

Description and Introduction

Dual / 256-Tap / Up/Down Interface / Digital Potentiometers The MAX5451EUD 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 from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX5451EUD  
- **Package:** 14-TSSOP  
- **Type:** Digital Potentiometer  
- **Number of Channels:** 1  
- **Taps (Resolution):** 32  
- **Interface:** Up/Down (Increment/Decrement)  
- **Resistance Range:** 10kΩ, 50kΩ, 100kΩ (depending on variant)  
- **Supply Voltage (VDD):** +2.7V to +5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Non-Volatile Memory:** No (Volatile setting)  
- **Wiper Current:** ±1mA (max)  
- **Low Power Consumption:** Typically 0.5µA (standby)  

### **Descriptions:**  
- The MAX5451EUD is a single-channel, digitally controlled potentiometer (digipot) that replaces mechanical potentiometers.  
- It uses an up/down interface to adjust resistance values, making it suitable for volume control, LCD contrast adjustment, and calibration applications.  
- The device does not retain settings when power is removed (volatile memory).  

### **Features:**  
- **Single-Channel Digital Potentiometer** – Provides one adjustable resistor.  
- **32 Taps** – Offers fine resolution for precise adjustments.  
- **Wide Supply Voltage Range** – Operates from +2.7V to +5.5V.  
- **Low Power Consumption** – Ideal for battery-powered applications.  
- **Compact TSSOP Package** – Space-saving 14-pin package.  
- **Up/Down Control Interface** – Simple increment/decrement adjustment.  
- **No Non-Volatile Memory** – Settings are lost when power is removed.  

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

Application Scenarios & Design Considerations

Dual / 256-Tap / Up/Down Interface / Digital Potentiometers

Alternative Part Number

  • AD5222BRUZ10 --: Dual 10k digital potentiometer in TSSOP-14, functionally similar to the MAX5451 with comparable SPI-compatible interface and supply range.
  • MCP42100-I/ST --: Dual 100k SPI digital potentiometer in TSSOP-14, widely available and pin-function compatible for many MAX5451 applications.
  • X9C104PIZ --: Single 100k push-button controlled digital potentiometer, a simple drop-in style option when only one channel is needed and SPI control is not required.
  • AD5241BRUZ10 --: Single-channel I2C digital potentiometer with 10k ohm resistance in TSSOP-14, functionally similar to the MAX5451 and pin-compatible in many designs.
  • MCP4018T-103E/CH --: I2C digital potentiometer with 10k ohm end-to-end resistance in a small SOT-23 package, suitable as a lower-cost alternative for similar volume-control applications.
  • X9C103SIZ --: Widely available 10k ohm digitally controlled potentiometer with up/down interface, usable as a drop-in style replacement when I2C is not mandatory.

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