DS1881Z-050+ English Editing Encyclopedia Entry

Product Overview

Category

The DS1881Z-050+ belongs to the category of electronic components.

Use

It is primarily used for digital potentiometer applications.

Characteristics

• The DS1881Z-050+ is a high-performance, non-volatile digital potentiometer.
• It offers a wide range of resistance values and precise control capabilities.
• This component operates at a low voltage, making it suitable for various electronic devices.

Package

The DS1881Z-050+ is available in a compact surface-mount package.

Essence

The essence of the DS1881Z-050+ lies in its ability to provide accurate resistance adjustment 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 50kΩ
• Resolution: 256 taps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Detailed Pin Configuration

The DS1881Z-050+ has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial data line (I2C)
4. SCL: Serial clock line (I2C)
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. WP: Write protect input
8. H/L: High/Low terminal of the potentiometer

Functional Features

• Non-volatile memory: The DS1881Z-050+ retains its settings even when power is disconnected.
• Digital control: The potentiometer can be easily adjusted using digital signals.
• High resolution: With 256 taps, it provides precise resistance adjustment.
• Low power consumption: The component operates efficiently, minimizing power usage.

Advantages and Disadvantages

Advantages

• Accurate resistance adjustment
• Non-volatile memory for retaining settings
• Wide range of resistance values
• Low power consumption

Disadvantages

• Limited temperature range (-40°C to +85°C)
• Requires an I2C interface for control

Working Principles

The DS1881Z-050+ utilizes a combination of digital control and non-volatile memory to adjust the resistance. It receives digital commands through the I2C interface, which are then converted into specific resistance values. These values are stored in the non-volatile memory, ensuring that the potentiometer retains its settings even when power is disconnected. The resistance can be precisely adjusted by selecting one of the 256 available taps.

Detailed Application Field Plans

The DS1881Z-050+ finds applications in various electronic systems, including:

1. Audio equipment: Precise volume control in amplifiers and audio mixers.
2. Industrial automation: Resistance adjustment in control systems and sensors.
3. Consumer electronics: Fine-tuning of display brightness and contrast.
4. Medical devices: Control of parameters in medical equipment.
5. Automotive electronics: Adjustment of sensor calibration and control systems.

Detailed and Complete Alternative Models

1. DS1804Z-050+: Similar digital potentiometer with a different package and pin configuration.
2. MCP4017T-503E/LT: Alternative digital potentiometer with similar specifications and features.
3. MAX5486EUD+: Digital potentiometer offering higher resolution and wider temperature range.

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