AD5242BRU1M

Product Overview

Category: Integrated Circuit (IC)

Use: Digital Potentiometer

Characteristics: - Dual-channel, 256-position digital potentiometer - Non-volatile memory for storing wiper position - Low temperature coefficient - Wide operating voltage range - Small package size - High resolution and accuracy

Package: TSSOP-16

Essence: The AD5242BRU1M is a dual-channel digital potentiometer IC that provides a programmable resistance. It is commonly used in applications where precise resistance adjustments are required.

Packaging/Quantity: The AD5242BRU1M is available in a TSSOP-16 package and is typically sold in reels of 2500 units.

Specifications

• Resolution: 8 bits per channel
• Resistance Range: 0 to 10kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Coefficient: ±35ppm/°C
• End-to-End Resistance Tolerance: ±20%
• Power Supply Current: 400µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The AD5242BRU1M has a total of 16 pins arranged as follows:

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| | | 1 2 3 4 5 6 7 8 | | | | 16 15 14 13 12 11 10 9 | |_______________________________________| ```

Pin Description: 1. Channel B Terminal A 2. Channel B Terminal W 3. Channel B Terminal B 4. VSS (Ground) 5. Channel A Terminal B 6. Channel A Terminal W 7. Channel A Terminal A 8. VDD (Power Supply) 9. SDA (Serial Data Input/Output) 10. SCL (Serial Clock Input) 11. A0 (Address Bit 0) 12. A1 (Address Bit 1) 13. A2 (Address Bit 2) 14. NC (No Connection) 15. NC (No Connection) 16. VLOGIC (Logic Supply Voltage)

Functional Features

• Dual-channel digital potentiometer with independent control for each channel
• Non-volatile memory allows the wiper position to be stored even when power is removed
• Serial interface for easy communication with microcontrollers or other digital devices
• Low temperature coefficient ensures stable performance over a wide temperature range
• High resolution and accuracy enable precise resistance adjustments
• Wide operating voltage range allows compatibility with various power supply voltages

Advantages and Disadvantages

Advantages: - Precise resistance adjustments - Non-volatile memory for storing wiper position - Wide operating voltage range - Small package size - High resolution and accuracy

Disadvantages: - Limited resistance range (0 to 10kΩ) - End-to-end resistance tolerance of ±20%

Working Principles

The AD5242BRU1M utilizes a combination of resistive elements and electronic switches to create a programmable resistance. The digital potentiometer can be controlled through a serial interface, allowing the user to adjust the resistance digitally. The non-volatile memory feature ensures that the wiper position is retained even when power is removed.

Detailed Application Field Plans

The AD5242BRU1M finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Instrumentation: Used for calibration and fine-tuning of measurement instruments.
3. Industrial Control Systems: Used for setting precise resistance values in control circuits.
4. Communication Systems: Used for signal conditioning and impedance matching in RF circuits.
5. Automotive Electronics: Used for controlling various parameters in automotive systems.

Detailed and Complete Alternative Models

1. AD5241BRUZ10 - Single-channel digital potentiometer with 10kΩ resistance range.
2. AD5243BRUZ50 - Triple-channel digital potentiometer with 50kΩ resistance range.
3. AD5259BRMZ10 - Quad-channel digital potentiometer with 10kΩ resistance range and I2C interface.

These alternative models offer similar functionality to the AD5242BRU1M but may have different specifications or package options.

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