AD5282BRU50-REEL7

Product Overview

Category

AD5282BRU50-REEL7 belongs to the category of electronic components, specifically digital potentiometers.

Use

This product is primarily used in electronic circuits for controlling resistance values digitally. It can be employed in various applications where precise resistance adjustments are required.

Characteristics

• Digital control of resistance
• High resolution and accuracy
• Low power consumption
• Wide operating voltage range
• Compact package size

Package

AD5282BRU50-REEL7 is available in a small outline integrated circuit (SOIC) package. This package ensures easy integration into electronic circuits and provides mechanical protection to the internal components.

Essence

The essence of AD5282BRU50-REEL7 lies in its ability to replace traditional mechanical potentiometers with a digital alternative. It offers greater precision, reliability, and flexibility in resistance adjustment.

Packaging/Quantity

AD5282BRU50-REEL7 is typically supplied in reels containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: 8 bits
• Resistance Range: 0Ω to 50kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: Serial Peripheral Interface (SPI)
• Power Supply: Single supply or dual supply

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. CS: Chip select input for SPI communication
4. SCLK: Serial clock input for SPI communication
5. SDI: Serial data input for SPI communication
6. SDO: Serial data output for SPI communication
7. RST: Reset input for resetting the device
8. VOUT: Output voltage

Functional Features

• Digital control of resistance value through SPI interface
• Non-volatile memory for storing resistance settings
• Power-on reset function to ensure consistent startup behavior
• Low power consumption in standby mode
• High reliability and durability due to absence of mechanical parts

Advantages

• Precise and accurate resistance adjustment
• Easy integration into electronic circuits
• Reduced size and weight compared to traditional potentiometers
• Improved reliability and longevity
• Ability to store resistance settings digitally

Disadvantages

• Limited resolution compared to some other digital potentiometers
• Higher cost compared to mechanical potentiometers
• Sensitivity to electrostatic discharge (ESD) during handling

Working Principles

AD5282BRU50-REEL7 utilizes a network of resistive elements and switches controlled by digital signals. The resistance value is adjusted by selectively connecting or disconnecting these elements using the SPI interface. The resulting resistance is then output through the VOUT pin.

Detailed Application Field Plans

AD5282BRU50-REEL7 finds applications in various fields, including: 1. Audio equipment: Volume control, tone adjustment 2. Industrial automation: Calibration, process control 3. Test and measurement instruments: Resistance simulation, signal conditioning 4. Communication systems: Signal attenuation, impedance matching 5. Medical devices: Sensitivity adjustment, signal conditioning

Detailed and Complete Alternative Models

1. AD5262: 16-bit digital potentiometer with higher resolution
2. AD8403: Quad-channel digital potentiometer for multi-channel applications
3. MCP41010: Low-cost digital potentiometer with similar specifications
4. MAX5481: Dual-channel digital potentiometer with integrated EEPROM for non-volatile storage

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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