Maxim Integrated
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MAX5482EUD+T
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MAX5482EUD+T

Product Overview

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

Specifications

  • Resolution: 256 taps
  • Resistance Range: 10 kΩ to 100 kΩ
  • Supply Voltage: 2.7 V to 5.5 V
  • Temperature Range: -40°C to +85°C
  • Interface: I2C-compatible
  • Power Consumption: 0.4 µA (standby), 1 mA (active)

Pin Configuration

The MAX5482EUD+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. NC: No connection
  8. W: Write protect input
  9. B: Terminal B of the potentiometer
  10. WIP: Wiper terminal of the potentiometer
  11. A: Terminal A of the potentiometer
  12. NC: No connection
  13. NC: No connection
  14. VDD: Positive supply voltage

Functional Features

  • Digital control of resistance values
  • Non-volatile memory for storing settings
  • Low power consumption in standby mode
  • High resolution for precise adjustments
  • Wide operating temperature range

Advantages and Disadvantages

Advantages: - Compact size allows for space-saving designs - High precision enables accurate resistance control - Low power consumption prolongs battery life - Non-volatile memory retains settings even when powered off

Disadvantages: - Limited resistance range (10 kΩ to 100 kΩ) - Requires I2C interface for communication

Working Principles

The MAX5482EUD+T is a digital potentiometer that replaces traditional mechanical potentiometers. It utilizes an internal resistor network and a wiper terminal to provide variable resistance values. The resistance can be controlled digitally through the I2C interface, allowing for precise adjustments.

When a specific resistance value is set, the MAX5482EUD+T stores it in its non-volatile memory, ensuring that the resistance remains unchanged even after power cycles. This feature makes it suitable for applications where consistent resistance settings are required.

Detailed Application Field Plans

The MAX5482EUD+T finds applications in various fields, including:

  1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers, mixers, and equalizers.
  2. Industrial Automation: Provides programmable resistance for calibration and control purposes in industrial machinery and equipment.
  3. Test and Measurement Instruments: Enables precise resistance adjustments in multimeters, signal generators, and oscilloscopes.
  4. Medical Devices: Used for fine-tuning parameters in medical equipment such as patient monitors and diagnostic devices.
  5. Automotive Electronics: Provides digital control of resistance values in automotive systems like climate control units and dashboard controls.

Detailed and Complete Alternative Models

  1. MCP401X: Digital Potentiometer with similar specifications and I2C interface.
  2. AD525X: Digital Potentiometer with extended resistance range and SPI interface.
  3. DS180X: Digital Potentiometer with non-volatile memory and push-button interface.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX5482EUD+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX5482EUD+T in technical solutions:

  1. Q: What is the MAX5482EUD+T? A: The MAX5482EUD+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 MAX5482EUD+T? A: The MAX5482EUD+T has a maximum resistance range of 100 kΩ.

  3. Q: How many channels does the MAX5482EUD+T have? A: The MAX5482EUD+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 MAX5482EUD+T? A: The supply voltage range for the MAX5482EUD+T is typically between 2.7V and 5.5V.

  5. Q: Can the MAX5482EUD+T be controlled digitally? A: Yes, the MAX5482EUD+T can be controlled digitally using a microcontroller or other digital interface.

  6. Q: Does the MAX5482EUD+T have non-volatile memory? A: No, the MAX5482EUD+T does not have non-volatile memory. It will reset to its default state upon power-up.

  7. Q: What is the resolution of the MAX5482EUD+T? A: The MAX5482EUD+T has a resolution of 256 steps, allowing for precise control over resistance values.

  8. Q: Can the MAX5482EUD+T be used in audio applications? A: Yes, the MAX5482EUD+T can be used in audio applications such as volume control or tone adjustment.

  9. Q: Is the MAX5482EUD+T compatible with both analog and digital signals? A: Yes, the MAX5482EUD+T is compatible with both analog and digital signals, making it versatile for various applications.

  10. Q: What package does the MAX5482EUD+T come in? A: The MAX5482EUD+T comes in a 14-pin TSSOP (Thin Shrink Small Outline Package) for easy integration into circuit boards.

Please note that these answers are general and may vary depending on specific application requirements.