Analog Devices Inc.
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AD5274BRMZ-100
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AD5274BRMZ-100

Product Overview

Category

The AD5274BRMZ-100 belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system calibration, as well as in various applications requiring variable resistance.

Characteristics

  • Digital control interface
  • Non-volatile memory
  • Low power consumption
  • Wide resistance range
  • High resolution

Package

The AD5274BRMZ-100 comes in a small form factor package, specifically a 10-lead MSOP (Mini Small Outline Package).

Essence

The essence of the AD5274BRMZ-100 lies in its ability to provide precise and programmable resistance values in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Resistance Range: 0Ω to 100kΩ
  • Resolution: 256 taps
  • Interface: I2C-compatible
  • Supply Voltage: 2.7V to 5.5V
  • Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VDD: Power supply voltage
  2. SDA: Serial data input/output
  3. SCL: Serial clock input
  4. GND: Ground
  5. A0: Address bit 0
  6. A1: Address bit 1
  7. WP: Write protect
  8. VSS: Negative power supply
  9. RH: Terminal A of the rheostat
  10. RL: Terminal B of the rheostat

Functional Features

  • Programmable resistance value
  • Non-volatile memory for storing settings
  • Ability to adjust resistance digitally
  • Low power consumption during operation
  • High accuracy and resolution

Advantages and Disadvantages

Advantages

  • Precise and programmable resistance control
  • Non-volatile memory ensures settings are retained
  • Wide resistance range allows for versatile applications
  • Low power consumption prolongs battery life
  • High resolution enables fine adjustments

Disadvantages

  • Limited number of taps (256)
  • Requires an I2C-compatible interface for control

Working Principles

The AD5274BRMZ-100 operates by digitally controlling the resistance value between its terminal A (RH) and terminal B (RL). The desired resistance is set using the I2C-compatible interface, which sends commands to the digital potentiometer. The non-volatile memory ensures that the resistance setting is retained even when power is removed.

Detailed Application Field Plans

The AD5274BRMZ-100 finds application in various fields, including:

  1. Audio equipment: Allows for precise volume control in audio amplifiers and mixers.
  2. Industrial automation: Used for calibration and adjustment of sensors and actuators.
  3. Test and measurement instruments: Enables accurate resistance simulation and calibration.
  4. Medical devices: Provides variable resistance for medical equipment such as patient monitoring systems.
  5. Automotive electronics: Used in circuitry calibration and control systems.

Detailed and Complete Alternative Models

  1. AD5270BRMZ-100: Similar to AD5274BRMZ-100 but with a lower resistance range (0Ω to 10kΩ).
  2. AD5272BRMZ-100: Similar to AD5274BRMZ-100 but with a higher resolution (1024 taps).

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AD5274BRMZ-100 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AD5274BRMZ-100 in technical solutions:

  1. Q: What is the AD5274BRMZ-100? A: The AD5274BRMZ-100 is a digital potentiometer IC (integrated circuit) that can be used to digitally control resistance in various technical applications.

  2. Q: What is the maximum resistance range of the AD5274BRMZ-100? A: The AD5274BRMZ-100 has a maximum resistance range of 100 kilohms.

  3. Q: How many channels does the AD5274BRMZ-100 have? A: The AD5274BRMZ-100 has four independent channels, allowing for simultaneous control of multiple resistances.

  4. Q: What is the resolution of the AD5274BRMZ-100? A: The AD5274BRMZ-100 has a resolution of 256 steps, providing precise control over resistance values.

  5. Q: Can the AD5274BRMZ-100 be controlled digitally? A: Yes, the AD5274BRMZ-100 can be controlled digitally using an I2C interface, making it easy to integrate into digital systems.

  6. Q: What is the power supply voltage range for the AD5274BRMZ-100? A: The AD5274BRMZ-100 operates with a power supply voltage range of 2.7V to 5.5V.

  7. Q: Is the AD5274BRMZ-100 suitable for low-power applications? A: Yes, the AD5274BRMZ-100 is designed for low-power operation, making it suitable for battery-powered devices or energy-efficient systems.

  8. Q: Can the AD5274BRMZ-100 be used in audio applications? A: Yes, the AD5274BRMZ-100 can be used in audio applications for volume control or tone adjustment.

  9. Q: Does the AD5274BRMZ-100 have non-volatile memory? A: Yes, the AD5274BRMZ-100 has non-volatile memory, allowing it to retain resistance settings even when power is removed.

  10. Q: What are some typical applications of the AD5274BRMZ-100? A: The AD5274BRMZ-100 can be used in various applications such as instrumentation, industrial control systems, medical devices, and consumer electronics where digital control of resistance is required.

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