AD5254BRUZ10

Product Overview

Category: Integrated Circuit (IC)

Use: Digital Potentiometer

Characteristics: - 10kΩ Resistance - 256 Taps - I2C Interface - Non-volatile Memory - Low Power Consumption

Package: TSSOP-16

Essence: The AD5254BRUZ10 is a digital potentiometer IC that allows for digitally controlled resistance adjustments. It is commonly used in various electronic circuits where precise resistance settings are required.

Packaging/Quantity: The AD5254BRUZ10 is available in a TSSOP-16 package and is typically sold in reels of 2500 units.

Specifications

• Resistance: 10kΩ
• Number of Taps: 256
• Interface: I2C
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Non-volatile Memory: Yes
• Power Consumption: Low

Pin Configuration

The AD5254BRUZ10 has a total of 16 pins arranged as follows:

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| | | 1 9 16 | | | | 2 8 15 | | | | 3 7 14 | | | | 4 6 13 | | | | 5 10 12 | |_______________| ```

Pin Description: 1. VDD: Positive Power Supply 2. SDA: Serial Data Input/Output 3. SCL: Serial Clock Input 4. A0: Address Bit 0 5. A1: Address Bit 1 6. A2: Address Bit 2 7. GND: Ground 8. VSS: Negative Power Supply 9. W0: Terminal Wiper 0 10. W1: Terminal Wiper 1 11. NC: No Connection 12. W2: Terminal Wiper 2 13. W3: Terminal Wiper 3 14. NC: No Connection 15. WP: Write Protect 16. VLOGIC: Logic Supply Voltage

Functional Features

• Digital control of resistance settings
• Non-volatile memory for storing resistance values
• I2C interface for easy integration with microcontrollers
• Low power consumption for energy-efficient applications
• Wide operating temperature range for versatility

Advantages and Disadvantages

Advantages: - Precise and accurate resistance adjustments - Easy integration with digital systems - Non-volatile memory ensures retention of resistance settings - Low power consumption extends battery life - Suitable for a wide range of operating temperatures

Disadvantages: - Limited to I2C interface, may not be compatible with all systems - Higher cost compared to traditional potentiometers - Limited number of taps (256) may not meet the requirements of some applications

Working Principles

The AD5254BRUZ10 is based on the concept of a digital potentiometer. It consists of a series of resistive elements connected in a ladder-like configuration. The position of the wiper determines the effective resistance between the input and output terminals. By digitally controlling the position of the wiper, the resistance can be adjusted precisely.

The IC utilizes an I2C interface to communicate with external devices such as microcontrollers. This allows for easy integration into digital systems, enabling remote control and automation of resistance adjustments.

The non-volatile memory feature ensures that the resistance settings are retained even when power is removed. This makes the AD5254BRUZ10 suitable for applications where resistance adjustments need to be maintained across power cycles.

Detailed Application Field Plans

The AD5254BRUZ10 finds applications in various fields, including:

1. Audio Equipment: Volume control circuits, equalizers, and audio mixers.
2. Industrial Automation: Process control systems, motor speed control, and instrumentation.
3. Test and Measurement: Calibration equipment, signal generators, and data acquisition systems.
4. Communication Systems: Signal conditioning, impedance matching, and RF amplifiers.
5. Automotive Electronics: Climate control systems, lighting controls, and engine management.

Detailed and Complete Alternative Models

1. AD5252BRUZ10: Similar specifications with 2-channel configuration.
2. AD5254BRUZ50: Higher resistance value (50kΩ) with the same number of taps.
3. AD8400ARZ10: Digital potentiometer with a different package (SOIC-8) and lower resistance value (10kΩ).

These alternative models offer similar functionality and can be considered based on specific application requirements.