AD5252BRU100-RL7

Product Overview

Category

AD5252BRU100-RL7 belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems where variable resistance is required.

Characteristics

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

Package

The AD5252BRU100-RL7 comes in a small outline integrated circuit (SOIC) package.

Essence

This product serves as a replacement for traditional mechanical potentiometers, providing a more precise and reliable method of controlling resistance.

Packaging/Quantity

The AD5252BRU100-RL7 is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Resolution: 256 steps
• Resistance Range: 100Ω
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Interface: I2C-compatible

Detailed Pin Configuration

The AD5252BRU100-RL7 has a total of 16 pins, which are configured as follows:

1. VDD: Power supply input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. A0: Address selection bit 0
5. A1: Address selection bit 1
6. WP: Write protect input
7. VSS: Ground
8. RDAC0: Terminal A of the first resistor network
9. RDAC1: Terminal B of the first resistor network
10. RDAC2: Terminal A of the second resistor network
11. RDAC3: Terminal B of the second resistor network
12. VLOGIC: Logic supply voltage
13. AGND: Analog ground
14. RESET: Reset input
15. NC: No connection
16. VOUT: Output terminal

Functional Features

• Non-volatile memory allows the AD5252BRU100-RL7 to retain its settings even when power is disconnected.
• The I2C-compatible interface enables easy digital control and communication with other devices.
• High resolution of 256 steps provides precise adjustment of resistance.
• Wide operating voltage range allows for flexibility in various applications.

Advantages and Disadvantages

Advantages

• Precise and reliable resistance control
• Easy integration into digital systems
• Low power consumption
• Compact package size

Disadvantages

• Limited resistance range (100Ω)
• Requires I2C-compatible interface for control

Working Principles

The AD5252BRU100-RL7 utilizes a resistor ladder network controlled by digital signals. The resistance value is adjusted by changing the position of switches within the ladder network. The digital potentiometer stores its settings in non-volatile memory, ensuring that the resistance remains constant even after power cycles.

Detailed Application Field Plans

The AD5252BRU100-RL7 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, feedback control
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Communication Systems: Gain control, impedance matching

Detailed and Complete Alternative Models

1. AD5250BRUZ100-RL7: Similar specifications but with a resistance range of 10kΩ.
2. AD5254BRUZ100-RL7: Similar specifications but with four independent channels.
3. AD8400ARZ10-RL7: Digital potentiometer with a resistance range of 10kΩ and a different pin configuration.

These alternative models offer similar functionality but with variations in resistance range, number of channels, and pin configuration.

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