AD8403ARUZ50

Product Overview

• Category: Digital Potentiometer
• Use: It is used to digitally control the resistance in electronic circuits.
• Characteristics: The AD8403ARUZ50 is a 50kΩ, 4-channel digital potentiometer with non-volatile memory.
• Package: It is available in a small outline package (SOIC) and comes in tape and reel packaging.
• Essence: This digital potentiometer provides a compact and versatile solution for circuit resistance adjustment.
• Packaging/Quantity: It is typically sold in reels of 2500 units.

Specifications

• Resistance Value: 50kΩ
• Number of Channels: 4
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Memory Type: Non-volatile

Detailed Pin Configuration

The pin configuration for the AD8403ARUZ50 is as follows: 1. VDD - Power supply 2. CS - Chip select 3. SCLK - Serial clock input 4. SDI - Serial data input 5. SDO - Serial data output 6. GND - Ground 7. A - Terminal A of the potentiometer 8. B - Terminal B of the potentiometer 9. W - Wiper terminal of the potentiometer

Functional Features

• Non-volatile memory allows the potentiometer settings to be retained even when power is removed.
• SPI interface enables easy digital control and integration with microcontrollers.
• Wide operating voltage range makes it suitable for various electronic applications.
• Small form factor and tape and reel packaging facilitate easy manufacturing and assembly processes.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures that the potentiometer retains its settings during power cycles.
• Multiple channels allow for independent control or simultaneous adjustment of resistance values.
• SPI interface provides flexibility and ease of integration with digital systems.

Disadvantages

• Limited to a maximum resistance value of 50kΩ, which may not be suitable for all applications requiring higher resistance values.
• Requires careful consideration of the SPI interface and timing in complex circuit designs.

Working Principles

The AD8403ARUZ50 operates by digitally controlling the position of the wiper terminal within the potentiometer. This digital control is achieved through the SPI interface, allowing for precise and repeatable adjustments to the resistance value. The non-volatile memory ensures that the resistance settings are retained, making it suitable for applications where consistent resistance values are required even after power cycles.

Detailed Application Field Plans

The AD8403ARUZ50 finds application in various electronic systems, including: - Audio equipment for volume control and tone adjustment. - Instrumentation and measurement devices for calibration and signal conditioning. - Industrial control systems for setting variable parameters such as motor speed or temperature control. - Programmable power supplies for fine-tuning output voltages.

Detailed and Complete Alternative Models

Some alternative models to the AD8403ARUZ50 include: - AD8400AR10 - 10kΩ, 1-channel digital potentiometer - AD8402AR100 - 100kΩ, 2-channel digital potentiometer - MCP4131T-104E/MS - 100kΩ, 1-channel digital potentiometer with SPI interface

This completes the English editing encyclopedia entry structure for the AD8403ARUZ50 digital potentiometer.