AD5246BKS10-R2

Product Overview

• Category: Digital Potentiometer
• Use: The AD5246BKS10-R2 is a 256-position, digitally controlled potentiometer (DCP) with 10 kΩ resistance. It is designed for use in various applications where precise resistance adjustments are required.
• Characteristics: The AD5246BKS10-R2 offers low temperature coefficient performance, high resolution, and low power consumption. It operates from a single 2.7 V to 5.5 V supply voltage and provides a wide range of resistance values.
• Package: The AD5246BKS10-R2 comes in a small 10-lead MSOP package, making it suitable for space-constrained designs.
• Essence: This digital potentiometer allows users to digitally control the resistance value, providing a flexible and convenient solution for circuit adjustments.
• Packaging/Quantity: The AD5246BKS10-R2 is available in tape and reel packaging, with 250 units per reel.

Specifications

• Resolution: 8 bits (256 positions)
• Resistance: 10 kΩ
• Supply Voltage: 2.7 V to 5.5 V
• Temperature Coefficient: 35 ppm/°C
• Power Consumption: 40 µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AD5246BKS10-R2 has the following pin configuration:

1. A0: Address Input
2. A1: Address Input
3. WP: Write Protect Input
4. SDA: Serial Data Input/Output
5. SCL: Serial Clock Input
6. VSS: Ground
7. VLOGIC: Logic Supply Voltage
8. VDD: Positive Supply Voltage
9. VOUT: Potentiometer Output
10. NC: No Connection

Functional Features

• Digital Control: The AD5246BKS10-R2 allows for digital control of the resistance value, eliminating the need for manual adjustments.
• Non-Volatile Memory: The potentiometer settings can be stored in non-volatile memory, ensuring that the desired resistance value is maintained even after power-off.
• I2C Interface: The device communicates using the I2C serial interface, enabling easy integration into various systems.
• Low Power Consumption: With a typical power consumption of only 40 µA, the AD5246BKS10-R2 is suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise Resistance Control - Non-Volatile Memory - Small Package Size - Wide Operating Temperature Range

Disadvantages: - Limited Resolution (8 bits)

Working Principles

The AD5246BKS10-R2 utilizes a combination of resistive elements and CMOS switches to achieve digitally controlled resistance. The resistance value is adjusted by changing the position of the wiper within the potentiometer array. This is achieved through the I2C interface, where the desired resistance value is sent as digital commands.

Detailed Application Field Plans

The AD5246BKS10-R2 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Instrumentation: Calibration and fine-tuning of measurement equipment.
3. Industrial Control Systems: Precise resistance adjustments in control circuits.
4. Automotive Electronics: Climate control, lighting intensity control, and motor speed control.
5. Medical Devices: Fine adjustment of medical equipment parameters.

Detailed and Complete Alternative Models

1. AD5245: 256-position digital potentiometer with 5 kΩ resistance.
2. AD5247: 256-position digital potentiometer with 100 kΩ resistance.
3. AD5254: Quad-channel digital potentiometer with 10 kΩ resistance per channel.

These alternative models offer similar functionality and can be considered as alternatives to the AD5246BKS10-R2 based on specific application requirements.

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