Maxim Integrated
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MAX5484EUD+T
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MAX5484EUD+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Potentiometer
  • Characteristics: High precision, low power consumption
  • Package: 14-TSSOP
  • Essence: Provides digital control of resistance values
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Resolution: 256 taps
  • Resistance Range: 10kΩ
  • Supply Voltage: 2.7V to 5.5V
  • Temperature Range: -40°C to +85°C
  • Interface: I2C-compatible
  • Power Consumption: 0.5µA (standby), 1mA (active)

Pin Configuration

The MAX5484EUD+T has a 14-pin TSSOP package with the following pin configuration:

  1. VDD: Positive supply voltage
  2. SDA: Serial data input/output for I2C communication
  3. SCL: Serial clock input for I2C communication
  4. GND: Ground
  5. A0: Address bit 0
  6. A1: Address bit 1
  7. W: Write protect input
  8. B: Terminal B of the potentiometer
  9. WIP: Wiper terminal of the potentiometer
  10. A: Terminal A of the potentiometer
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection

Functional Features

  • Digital control of resistance values
  • Non-volatile memory for storing wiper position
  • Low temperature coefficient and low noise
  • Software programmable resistance taper
  • Power-on preset to a user-defined value
  • Write protection feature to prevent accidental changes

Advantages and Disadvantages

Advantages: - High precision and resolution - Low power consumption - Non-volatile memory for storing settings - Wide operating temperature range

Disadvantages: - Limited resistance range (10kΩ) - Only supports I2C interface

Working Principles

The MAX5484EUD+T is a digital potentiometer that allows for precise control of resistance values. It utilizes an I2C-compatible interface to communicate with a microcontroller or other digital devices. The potentiometer has a wiper terminal that can be adjusted digitally, allowing for fine-tuning of the resistance. The non-volatile memory ensures that the wiper position is retained even when power is removed. The device also features a write protection input to prevent accidental changes to the resistance value.

Detailed Application Field Plans

The MAX5484EUD+T can be used in various applications that require precise resistance control, such as:

  1. Audio Equipment: Volume control, tone adjustment
  2. Test and Measurement Instruments: Calibration, signal conditioning
  3. Industrial Control Systems: Process control, feedback loop adjustment
  4. Automotive Electronics: Climate control, motor speed control
  5. Medical Devices: Sensitivity adjustment, signal amplification

Detailed and Complete Alternative Models

  1. MAX5481EUD+T: 10kΩ digital potentiometer with 64 taps
  2. MAX5482EUD+T: 10kΩ digital potentiometer with 128 taps
  3. MAX5483EUD+T: 10kΩ digital potentiometer with 256 taps and push-button interface
  4. MAX5485EUD+T: 100kΩ digital potentiometer with 256 taps
  5. MAX5486EUD+T: 1MΩ digital potentiometer with 256 taps

These alternative models offer different resistance ranges and tap options to suit various application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX5484EUD+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX5484EUD+T in technical solutions:

  1. Q: What is the MAX5484EUD+T? A: The MAX5484EUD+T is a digital potentiometer IC (Integrated Circuit) that can be used to digitally control resistance in various electronic circuits.

  2. Q: What is the maximum resistance range of the MAX5484EUD+T? A: The MAX5484EUD+T has a maximum resistance range of 100 kΩ.

  3. Q: How many channels does the MAX5484EUD+T have? A: The MAX5484EUD+T has a single channel, meaning it can control the resistance of one circuit at a time.

  4. Q: What is the supply voltage range for the MAX5484EUD+T? A: The supply voltage range for the MAX5484EUD+T is typically between 2.7V and 5.5V.

  5. Q: Can the MAX5484EUD+T be controlled digitally? A: Yes, the MAX5484EUD+T can be controlled digitally using an I2C interface, allowing for easy integration into microcontroller-based systems.

  6. Q: What is the resolution of the MAX5484EUD+T? A: The MAX5484EUD+T has a resolution of 256 steps, meaning it can provide fine-grained control over the resistance value.

  7. Q: Is the MAX5484EUD+T suitable for audio applications? A: Yes, the MAX5484EUD+T is suitable for audio applications as it provides low distortion and noise performance.

  8. Q: Can the MAX5484EUD+T be used in automotive applications? A: Yes, the MAX5484EUD+T is designed to operate in automotive environments and can withstand high temperatures and voltage fluctuations.

  9. Q: Does the MAX5484EUD+T have any built-in protection features? A: Yes, the MAX5484EUD+T includes features like overvoltage protection and thermal shutdown to ensure safe operation.

  10. Q: Are there any evaluation boards or development kits available for the MAX5484EUD+T? A: Yes, Maxim Integrated provides evaluation boards and development kits that can help users quickly prototype and test their designs using the MAX5484EUD+T.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.