AD8402ARU10-REEL

Product Overview

Category

The AD8402ARU10-REEL belongs to the category of electronic components, specifically digital potentiometers.

Use

This product is used as a digitally controlled variable resistor in various electronic circuits and systems.

Characteristics

• Digital control: The AD8402ARU10-REEL can be controlled digitally using a microcontroller or other digital interface.
• Programmable resistance: It allows for precise adjustment of resistance values.
• Non-volatile memory: The device retains its programmed resistance settings even when power is removed.
• Low power consumption: The AD8402ARU10-REEL operates with low power requirements.
• Wide operating voltage range: It can operate within a wide voltage range, making it suitable for different applications.

Package

The AD8402ARU10-REEL comes in a small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to provide a digitally controlled variable resistance, allowing for precise adjustments in electronic circuits.

Packaging/Quantity

The AD8402ARU10-REEL 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: 0 to 10 kilohms
• Resolution: 256 steps
• Supply voltage: 2.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The AD8402ARU10-REEL has 16 pins arranged as follows:

1. VDD: Power supply voltage
2. CS: Chip select input
3. SCLK: Serial clock input
4. SDI: Serial data input
5. GND: Ground
6. A1: Terminal A1 of the potentiometer
7. W1: Wiper terminal of the potentiometer 1
8. B1: Terminal B1 of the potentiometer
9. A2: Terminal A2 of the potentiometer
10. W2: Wiper terminal of the potentiometer 2
11. B2: Terminal B2 of the potentiometer
12. VLOGIC: Logic supply voltage
13. SDOD: Serial data output
14. SDOA: Serial data output
15. VSS: Negative power supply
16. NC: No connection

Functional Features

• Dual-channel: The AD8402ARU10-REEL consists of two independent potentiometers, allowing for simultaneous control of two resistance values.
• Digital control: The resistance values can be adjusted digitally using a microcontroller or other digital interface.
• Non-volatile memory: The programmed resistance settings are stored in non-volatile memory, ensuring that they are retained even when power is removed.
• Low power consumption: The device operates with low power requirements, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Precise resistance control
• Compact size
• Wide operating voltage range
• Non-volatile memory for retaining settings
• Low power consumption

Disadvantages

• Limited resolution (256 steps)
• Requires digital control interface

Working Principles

The AD8402ARU10-REEL operates by adjusting the resistance between its terminal pins based on the digital control signals received through the SPI interface. The resistance value is determined by the position of the wiper terminal along the resistive element. The digital control allows for precise adjustments, enabling the device to function as a variable resistor.

Detailed Application Field Plans

The AD8402ARU10-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 device is suitable for controlling variable resistances in industrial automation systems.
3. Test and measurement: It can be utilized in test and measurement equipment for calibration purposes.
4. Communication systems: The AD8402ARU10-REEL can be employed in communication systems for signal conditioning and level adjustments.

Detailed and Complete Alternative Models

1. AD8400ARZ10-REEL: Single-channel digital potentiometer with similar specifications.
2. AD8403ARUZ10-REEL: Triple-channel digital potentiometer with similar specifications.
3. MCP4131-103E/P: Digital potentiometer from Microchip Technology with comparable features.

These alternative models offer similar functionality and can be considered as alternatives to the AD8402ARU10-REEL based on specific application requirements.

In conclusion, the AD8402ARU10-REEL is a digital potentiometer that provides precise resistance control in electronic circuits. Its