AD8402ARUZ1-REEL

Product Overview

Category

The AD8402ARUZ1-REEL belongs to the category of electronic components, specifically digital potentiometers.

Use

This product is primarily used for controlling and adjusting resistance in electronic circuits. It can be employed in a wide range of applications where precise resistance adjustments are required.

Characteristics

• Digital control: The AD8402ARUZ1-REEL utilizes digital signals to adjust its resistance, providing accurate and reliable control.
• High resolution: This component offers high-resolution adjustment capabilities, allowing for fine-tuning of resistance values.
• Low power consumption: The AD8402ARUZ1-REEL is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: It can function within a broad voltage range, enabling compatibility with various electronic systems.

Package

The AD8402ARUZ1-REEL is available in a small outline package (SOIC) form factor. This package type ensures easy integration into circuit boards and facilitates efficient heat dissipation.

Essence

The essence of the AD8402ARUZ1-REEL lies in its ability to provide precise resistance control in electronic circuits through digital means. It replaces traditional mechanical potentiometers, offering improved accuracy and reliability.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of units per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: 8 bits
• Number of channels: 2
• Operating voltage range: 2.7V to 5.5V
• Resistance range: 0Ω to 100kΩ
• Temperature range: -40°C to +125°C
• Interface: Serial Peripheral Interface (SPI)
• Package type: Small Outline Integrated Circuit (SOIC)

Detailed Pin Configuration

The AD8402ARUZ1-REEL features a 16-pin SOIC package with the following pin configuration:

1. VDD - Power 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 channel 1 resistor
7. RDAC2 - Terminal B of channel 1 resistor
8. AGND - Analog ground
9. VLOGIC - Logic power supply voltage
10. RDAC3 - Terminal A of channel 2 resistor
11. RDAC4 - Terminal B of channel 2 resistor
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. VSS - Negative power supply voltage

Functional Features

• Digital resistance adjustment: The AD8402ARUZ1-REEL allows for precise digital control of resistance values, enabling accurate adjustments in electronic circuits.
• Dual-channel operation: This component provides two independent channels, allowing for simultaneous control of two separate resistors.
• Non-volatile memory: The AD8402ARUZ1-REEL incorporates non-volatile memory, ensuring that resistance settings are retained even when power is disconnected.
• Low power consumption: It operates with low power consumption, making it suitable for energy-efficient applications.

Advantages and Disadvantages

Advantages

• Precise resistance control
• High resolution adjustment capabilities
• Compact package size for easy integration
• Wide operating voltage range
• Non-volatile memory for retaining settings

Disadvantages

• Limited number of channels (only two)
• Requires a serial interface for control

Working Principles

The AD8402ARUZ1-REEL utilizes a digital-to-analog converter (DAC) and a resistor network to achieve resistance control. The digital control signals received through the serial interface are converted into analog voltages, which are then applied across the resistor network. This results in the desired resistance value being set.

Detailed Application Field Plans

The AD8402ARUZ1-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: The component enables precise resistance adjustments in industrial control systems.
3. Test and measurement instruments: It is suitable for calibration and fine-tuning of test equipment.
4. Medical devices: The AD8402ARUZ1-REEL can be employed in medical devices that require accurate resistance control.

Detailed and Complete Alternative Models

1. AD8400ARZ-10 - 8-bit digital potentiometer with a single channel
2. AD8403ARUZ-50 - 8-bit digital potentiometer with three channels
3. MCP41010-I/P -