DS1844E-010/T&R

Product Overview

Category

The DS1844E-010/T&R belongs to the category of electronic components.

Use

This product is commonly used in various electronic devices and circuits for controlling and adjusting resistance values.

Characteristics

• The DS1844E-010/T&R is a digital potentiometer that offers precise resistance adjustment.
• It operates on a wide voltage range, making it suitable for different applications.
• This component provides non-volatile memory storage, ensuring resistance settings are retained even when power is removed.
• It offers high resolution and accuracy, allowing for fine-tuning of resistance values.

Package

The DS1844E-010/T&R is available in a small surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to replace traditional mechanical potentiometers with a more reliable and versatile electronic alternative.

Packaging/Quantity

The DS1844E-010/T&R is typically packaged in reels, containing a specific quantity of components. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resistance Range: 0Ω to 10kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial (SPI/I2C)

Detailed Pin Configuration

The DS1844E-010/T&R features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA/SCL: Serial data/address input (I2C) or serial data input (SPI)
4. CS: Chip select input (SPI)
5. INC: Increment input
6. UD: Up/Down control input
7. W: Wiper output
8. H: High terminal of resistor element
9. L: Low terminal of resistor element

Functional Features

• Digital Control: The DS1844E-010/T&R allows for precise digital control of resistance values, eliminating the need for manual adjustment.
• Non-Volatile Memory: This component stores resistance settings in non-volatile memory, ensuring they are retained even after power loss.
• Wide Voltage Range: It operates on a wide voltage range, making it compatible with various electronic systems.
• High Resolution: With 256 steps of resolution, fine adjustments to resistance values can be made.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Non-volatile memory storage
• Compact surface-mount package
• High resolution and accuracy

Disadvantages

• Limited resistance range (up to 10kΩ)
• Requires digital control interface

Working Principles

The DS1844E-010/T&R utilizes digital potentiometer technology to adjust resistance values. It consists of a resistor network and a wiper that moves along the resistor element based on digital control signals. By changing the position of the wiper, the effective resistance between the high and low terminals can be adjusted digitally.

Detailed Application Field Plans

The DS1844E-010/T&R finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Industrial Automation: Employed in control systems for precise resistance adjustment in industrial machinery.
3. Automotive Electronics: Integrated into automotive systems for sensor calibration and control.
4. Test and Measurement Instruments: Utilized in equipment requiring accurate resistance settings for calibration purposes.

Detailed and Complete Alternative Models

1. DS1804: Similar digital potentiometer with a different resistance range (0Ω to 100kΩ).
2. MCP4131: Digital potentiometer with similar specifications and interface options.
3. MAX5481: High-precision digital potentiometer with extended temperature range.

These alternative models offer similar functionality to the DS1844E-010/T&R, providing users with a range of options based on their specific requirements.

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