AD8400AR100-REEL

Product Overview

Category

AD8400AR100-REEL belongs to the category of digital potentiometers.

Use

It is commonly used in electronic circuits for controlling resistance values digitally.

Characteristics

• Digital control interface
• Wide resistance range
• Low power consumption
• High resolution
• Compact package size

Package

AD8400AR100-REEL is available in a small surface-mount package.

Essence

The essence of AD8400AR100-REEL lies in its ability to replace traditional mechanical potentiometers with a digital alternative, providing precise and reliable resistance control.

Packaging/Quantity

AD8400AR100-REEL is typically packaged in reels and is available in large quantities.

Specifications

• Resistance Range: 0Ω to 100Ω
• Resolution: 1Ω
• Number of Channels: 1
• Interface: Serial (SPI/I2C)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AD8400AR100-REEL has the following pin configuration:

1. VDD: Power supply voltage
2. GND: Ground reference
3. CS: Chip select input
4. SCLK: Serial clock input
5. SDI: Serial data input
6. SDO: Serial data output
7. H/L: High/Low terminal of the resistor network
8. W: Wiper terminal of the resistor network

Functional Features

• Digital control allows for precise resistance adjustments.
• Non-volatile memory retains settings even when power is removed.
• Low power consumption makes it suitable for battery-powered applications.
• SPI/I2C interface enables easy integration into digital systems.
• Single-channel design simplifies circuitry.

Advantages and Disadvantages

Advantages

• Precise resistance control
• Compact size
• Low power consumption
• Non-volatile memory
• Easy integration with digital systems

Disadvantages

• Limited resistance range compared to some analog potentiometers
• Requires digital interface for control

Working Principles

AD8400AR100-REEL utilizes a resistor network and a wiper terminal to adjust the resistance value digitally. The digital control interface allows for precise adjustments, while the non-volatile memory ensures that the settings are retained even when power is removed.

Detailed Application Field Plans

AD8400AR100-REEL finds applications in various fields, including:

1. Audio equipment: Volume control, tone adjustment
2. Industrial automation: Process control, calibration
3. Test and measurement: Signal conditioning, calibration
4. Automotive electronics: Climate control, lighting control
5. Medical devices: Precision control, calibration

Detailed and Complete Alternative Models

1. AD8400AR10-REEL: 0Ω to 10Ω resistance range
2. AD8400AR1K-REEL: 0Ω to 1kΩ resistance range
3. AD8400AR1M-REEL: 0Ω to 1MΩ resistance range
4. AD8400BR100-REEL: Extended temperature range (-55°C to +125°C)
5. AD8400CR100-REEL: Dual-channel version

These alternative models offer different resistance ranges and additional features to suit specific application requirements.

In conclusion, AD8400AR100-REEL is a digital potentiometer that provides precise resistance control in electronic circuits. Its compact size, low power consumption, and easy integration make it suitable for various applications. However, it has a limited resistance range compared to analog potentiometers and requires a digital interface for control.