X9428YV14Z

Product Overview

• Category: Electronic Component
• Use: Digital Potentiometer
• Characteristics:
  • Adjustable resistance value
  • Digital control interface
  • Non-volatile memory
• Package: DIP-8 (Dual In-line Package)
• Essence: X9428YV14Z is a digital potentiometer that allows for adjustable resistance values through digital control. It is commonly used in electronic circuits where precise resistance adjustments are required.
• Packaging/Quantity: The X9428YV14Z is typically packaged in reels or tubes and is available in quantities of 1000 units per package.

Specifications

• Resistance Range: 0 to 10kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The X9428YV14Z has a total of 8 pins arranged as follows:

1. VCC: Power supply voltage input
2. SDA: Serial Data Line for I2C communication
3. SCL: Serial Clock Line for I2C communication
4. GND: Ground reference
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. WP: Write Protect pin for protecting non-volatile memory
8. H: Terminal connected to the wiper of the potentiometer

Functional Features

• Adjustable Resistance: The X9428YV14Z allows users to digitally adjust the resistance value within the specified range.
• Digital Control Interface: It utilizes the I2C protocol for easy integration into digital systems.
• Non-volatile Memory: The device retains the resistance value even when power is disconnected, thanks to its non-volatile memory feature.

Advantages and Disadvantages

Advantages: - Precise Resistance Control: The X9428YV14Z provides accurate and repeatable resistance adjustments. - Compact Size: Its DIP-8 package allows for easy integration into various circuit designs. - Non-volatile Memory: The non-volatile memory ensures that the resistance value is retained even during power cycles.

Disadvantages: - Limited Resistance Range: The X9428YV14Z has a maximum resistance value of 10kΩ, which may not be suitable for all applications. - Single Channel: It is a single-channel potentiometer, limiting its use in applications requiring multiple independent adjustments.

Working Principles

The X9428YV14Z utilizes a combination of digital control and analog circuitry to achieve adjustable resistance. The digital control interface (I2C) allows users to send commands to the device, specifying the desired resistance value. The internal circuitry then adjusts the wiper position within the potentiometer, effectively changing the resistance between the H terminal and the other terminals.

Detailed Application Field Plans

The X9428YV14Z finds applications in various electronic systems where precise resistance adjustments are required. Some common application fields include:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers, mixers, and equalizers.
2. Industrial Automation: Integrated into control systems for calibration and fine-tuning of sensors, actuators, and variable speed drives.
3. Test and Measurement Instruments: Employed in signal generators, oscilloscopes, and data acquisition systems for calibration purposes.
4. Communication Systems: Utilized in RF circuits, filters, and impedance matching networks for signal conditioning and optimization.

Detailed and Complete Alternative Models

1. X9428YV14Z-2.5: Similar to X9428YV14Z but operates at a lower supply voltage of 2.5V.
2. X9428YV14Z-50: Offers a wider resistance range of 0 to 50kΩ for applications requiring higher values.
3. X9428YV14Z-256: Provides increased resolution with 2560 steps for more precise resistance adjustments.

These alternative models offer similar functionality to the X9428YV14Z but cater to specific requirements in terms of supply voltage, resistance range, and resolution.

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