AD8403ARZ10

Product Overview

Category

AD8403ARZ10 belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems that require variable resistance.

Characteristics

• Digital control interface
• Low power consumption
• Wide operating voltage range
• High resolution
• Non-volatile memory
• Small package size

Package

AD8403ARZ10 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of AD8403ARZ10 lies in its ability to provide digitally controlled variable resistance, replacing traditional mechanical potentiometers.

Packaging/Quantity

AD8403ARZ10 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 10-bit
• Number of Channels: 4
• Operating Voltage Range: 2.7V to 5.5V
• Power Consumption: 1.5mW (typical)
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AD8403ARZ10 has a total of 24 pins, distributed as follows:

• Pin 1: Channel 1 Terminal A
• Pin 2: Channel 1 Terminal W
• Pin 3: Channel 1 Terminal B
• Pin 4: GND
• Pin 5: Channel 2 Terminal A
• Pin 6: Channel 2 Terminal W
• Pin 7: Channel 2 Terminal B
• Pin 8: VCC
• Pin 9: Channel 3 Terminal A
• Pin 10: Channel 3 Terminal W
• Pin 11: Channel 3 Terminal B
• Pin 12: NC (No Connection)
• Pin 13: Channel 4 Terminal A
• Pin 14: Channel 4 Terminal W
• Pin 15: Channel 4 Terminal B
• Pin 16: SDO (Serial Data Output)
• Pin 17: SDI (Serial Data Input)
• Pin 18: SCLK (Serial Clock Input)
• Pin 19: CS (Chip Select)
• Pin 20: VLOGIC
• Pin 21: GND
• Pin 22: NC (No Connection)
• Pin 23: NC (No Connection)
• Pin 24: VCC

Functional Features

• Digital control interface allows precise resistance adjustment.
• Non-volatile memory retains settings even when power is disconnected.
• Wide operating voltage range enables compatibility with various systems.
• High resolution provides fine-grained resistance adjustments.

Advantages and Disadvantages

Advantages

• Eliminates the need for mechanical potentiometers, reducing wear and tear.
• Offers precise and repeatable resistance adjustments.
• Saves space due to its small package size.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited to a maximum resolution of 10 bits.
• May require additional circuitry for proper interfacing with certain systems.
• Relatively higher cost compared to traditional potentiometers.

Working Principles

AD8403ARZ10 utilizes a digital-to-analog converter (DAC) to convert digital control signals into analog voltage levels. These voltage levels are then used to adjust the resistance across the potentiometer terminals, providing the desired resistance value.

Detailed Application Field Plans

AD8403ARZ10 finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in amplifiers, mixers, and audio processors.
2. Industrial Automation: Enables precise resistance adjustments in industrial control systems and instrumentation.
3. Test and Measurement: Provides variable resistance for calibration and testing purposes in electronic equipment.
4. Automotive Electronics: Used in automotive systems for sensor calibration, motor control, and lighting adjustment.

Detailed and Complete Alternative Models

1. AD8400ARZ10: Similar to AD8403ARZ10 but with 1 channel instead of 4.
2. AD8402ARZ10: Similar to AD8403ARZ10 but with 2 channels instead of 4.
3. AD8404ARZ10: Similar to AD8403ARZ10 but with 8 channels instead of 4.

These alternative models offer different channel configurations to suit specific application requirements.

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