AD8402ARZ1-REEL

Product Overview

Category

AD8402ARZ1-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 AD8402ARZ1-REEL is a digitally controlled potentiometer, allowing for accurate and reliable resistance adjustments.
• Low Power Consumption: This component operates with low power consumption, making it suitable for battery-powered devices.
• Wide Resistance Range: It offers a wide range of resistance values, enabling flexibility in various circuit designs.
• High Resolution: The AD8402ARZ1-REEL provides high resolution for precise resistance settings.
• Non-Volatile Memory: It features non-volatile memory, which allows the device to retain its resistance value even when power is disconnected.

Package

The AD8402ARZ1-REEL is available in a small outline integrated circuit (SOIC) package. This package type ensures easy integration into circuit boards and provides mechanical stability.

Essence

The essence of AD8402ARZ1-REEL lies in its ability to provide accurate and programmable resistance control in electronic circuits.

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
• Resistance Range: 0Ω to 100kΩ
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AD8402ARZ1-REEL has a total of 16 pins, which are assigned specific functions. The pin configuration is as follows:

1. VDD: Positive power supply
2. VSS: Ground reference
3. SDA: Serial data input/output
4. SCL: Serial clock input
5. A0: Address bit 0
6. A1: Address bit 1
7. NC: No connection
8. NC: No connection
9. W0: Digital potentiometer 0 wiper terminal
10. H0: Digital potentiometer 0 high terminal
11. L0: Digital potentiometer 0 low terminal
12. W1: Digital potentiometer 1 wiper terminal
13. H1: Digital potentiometer 1 high terminal
14. L1: Digital potentiometer 1 low terminal
15. NC: No connection
16. GND: Ground reference

Functional Features

• Programmable Resistance: The AD8402ARZ1-REEL allows users to program the desired resistance value digitally.
• I2C Interface: It utilizes the I2C communication protocol for easy integration with microcontrollers and other digital devices.
• Non-Volatile Memory: The non-volatile memory ensures that the programmed resistance values are retained even when power is disconnected.
• Dual Channel: This component provides two independent channels, allowing for simultaneous control of two separate resistances.

Advantages and Disadvantages

Advantages

• Precise Resistance Control: The AD8402ARZ1-REEL offers accurate and reliable resistance adjustments.
• Compact Size: Its small package size enables space-efficient circuit designs.
• Low Power Consumption: This component operates with low power consumption, making it suitable for energy-efficient applications.
• Non-Volatile Memory: The non-volatile memory feature ensures that resistance settings are preserved during power cycles.

Disadvantages

• Limited Resolution: The 8-bit resolution may not be sufficient for applications requiring extremely fine resistance adjustments.
• Limited Resistance Range: While the AD8402ARZ1-REEL offers a wide resistance range, it may not cover all possible resistance values required in certain applications.

Working Principles

The AD8402ARZ1-REEL operates based on the principle of digital potentiometry. It consists of a series of resistive elements connected in a ladder-like configuration. By digitally controlling the position of the wiper terminal, the effective resistance between the wiper and the high or low terminal can be adjusted.

When a specific resistance value is programmed, the digital potentiometer adjusts the wiper position accordingly, resulting in the desired resistance setting. The non-volatile memory ensures that the programmed resistance values are retained even when power is disconnected.

Detailed Application Field Plans

The AD8402ARZ1-REEL finds applications in various fields where precise resistance control is essential. Some potential application areas include:

1. Audio Equipment: It can be used in audio amplifiers and mixers to adjust volume levels and tone controls