AD8403ARZ10-REEL

Product Overview

Category

AD8403ARZ10-REEL belongs to the category of digital potentiometers.

Use

It is used as a variable resistor in electronic circuits, providing a digitally controlled resistance value.

Characteristics

• Digital control: The AD8403ARZ10-REEL can be controlled digitally using a microcontroller or other digital interface.
• Programmable resistance: It allows for setting the resistance value through digital commands.
• Non-volatile memory: The resistance value remains stored even when power is removed.
• Low power consumption: It operates with low power requirements.
• High resolution: It offers high precision and fine adjustment capabilities.

Package

The AD8403ARZ10-REEL comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of AD8403ARZ10-REEL lies in its ability to provide a digitally controlled variable resistance, offering flexibility and precision in electronic circuits.

Packaging/Quantity

The product is typically packaged in reels containing a specific quantity of units. 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
• Operating temperature range: -40°C to +125°C
• Interface: SPI-compatible serial interface

Pin Configuration

The AD8403ARZ10-REEL has a total of 16 pins, which are configured as follows:

1. VDD: Positive supply voltage
2. CS: Chip select input
3. SCLK: Serial clock input
4. SDI: Serial data input
5. GND: Ground
6. RDAC1: Terminal A of the first resistor element
7. RDAC2: Terminal B of the first resistor element
8. RDAC3: Terminal A of the second resistor element
9. RDAC4: Terminal B of the second resistor element
10. RDAC5: Terminal A of the third resistor element
11. RDAC6: Terminal B of the third resistor element
12. RDAC7: Terminal A of the fourth resistor element
13. RDAC8: Terminal B of the fourth resistor element
14. RDAC9: Terminal A of the fifth resistor element
15. RDAC10: Terminal B of the fifth resistor element
16. VSS: Negative supply voltage

Functional Features

• Digital control: The AD8403ARZ10-REEL allows for precise digital control of resistance values.
• Non-volatile memory: The resistance settings are stored in non-volatile memory, ensuring they are retained even when power is removed.
• Low power consumption: It operates with low power requirements, making it suitable for battery-powered applications.
• High resolution: With 256 steps of resolution, it provides fine adjustment capabilities.
• SPI interface: The product features an SPI-compatible serial interface for easy integration into digital systems.

Advantages and Disadvantages

Advantages

• Precise and accurate resistance control
• Non-volatile memory ensures retention of resistance settings
• Low power consumption
• High resolution for fine adjustments
• Easy integration with digital systems

Disadvantages

• Limited resistance range (0Ω to 10kΩ)
• Requires a microcontroller or digital interface for control

Working Principles

The AD8403ARZ10-REEL utilizes a combination of digital control and resistor network technology to achieve variable resistance. It consists of multiple resistor elements that can be connected in series or parallel to achieve different resistance values. By digitally controlling the connection of these elements, the desired resistance can be set.

The digital control is achieved through an SPI-compatible serial interface, allowing for precise and accurate adjustment of the resistance value. The non-volatile memory ensures that the resistance settings are retained even when power is removed.

Detailed Application Field Plans

The AD8403ARZ10-REEL finds applications in various fields, including:

1. Audio equipment: It can be used for volume control in audio amplifiers and mixers.
2. Industrial automation: It enables precise control of resistance in industrial control systems.
3. Test and measurement: It is suitable for calibration and adjustment purposes in test equipment.
4. Medical devices: It can be utilized in medical instruments requiring variable resistance control.
5. Automotive electronics: It finds applications in automotive systems such as climate control and lighting.

Detailed and Complete Alternative Models

1. AD8400ARZ10: Similar to AD8403ARZ10-REEL but with 1 resistor element instead of 5.
2. AD8402ARZ10: Features 2 resistor elements for more complex resistance configurations.
3. AD8404ARZ10: Offers 4 resistor