AD8400ARZ10-REEL

Product Overview

Category

The AD8400ARZ10-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

The AD8400ARZ10-REEL comes in a small outline integrated circuit (SOIC) package.

Essence

This product serves as a replacement for traditional mechanical potentiometers, offering precise and reliable resistance control.

Packaging/Quantity

The AD8400ARZ10-REEL is typically packaged in reels and is available in quantities of 2500 units per reel.

Specifications

• Resistance Range: 0Ω to 10kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Total Harmonic Distortion: <0.1%
• Power Consumption: 1mW (typical)

Detailed Pin Configuration

The AD8400ARZ10-REEL has a total of 8 pins:

1. VDD: Positive supply voltage
2. CS: Chip select input
3. U/D: Up/Down control input
4. INC: Increment control input
5. A1: Address bit 1
6. A0: Address bit 0
7. GND: Ground
8. RH: Terminal A of the potentiometer

Functional Features

• Digital control allows for precise resistance adjustment.
• Increment/decrement control enables easy resistance setting.
• Non-volatile memory stores the wiper position during power-off.
• Low power consumption makes it suitable for battery-powered devices.
• High resolution provides fine-grained resistance control.

Advantages and Disadvantages

Advantages

• Eliminates the need for mechanical potentiometers, reducing wear and tear.
• Offers precise and repeatable resistance control.
• Compact size allows for space-saving integration into electronic circuits.
• Non-volatile memory ensures settings are retained even after power loss.

Disadvantages

• Limited resistance range compared to some other digital potentiometers.
• May require additional circuitry for interfacing with microcontrollers or other digital systems.

Working Principles

The AD8400ARZ10-REEL operates by digitally controlling the resistance between its terminal A (RH) and ground (GND). The resistance value is adjusted using the up/down control input (U/D) and the increment control input (INC). The current wiper position is stored in non-volatile memory, allowing it to be retained even when power is disconnected.

Detailed Application Field Plans

The AD8400ARZ10-REEL 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 control of parameters such as motor speed, light intensity, and temperature.
3. Test and Measurement Instruments: Provides programmable resistance for calibration and signal conditioning purposes.
4. Medical Devices: Used in equipment requiring accurate resistance control, such as patient monitoring systems and diagnostic instruments.

Detailed and Complete Alternative Models

1. AD8402ARZ10-REEL: Similar to AD8400ARZ10-REEL but with dual-channel capability.
2. AD8401ARZ10-REEL: Single-channel digital potentiometer with a different package option.
3. MCP4131-103E/P: Alternative digital potentiometer with similar specifications from a different manufacturer.

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