X9428YS16Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • X9428YS16Z is a high-performance digital potentiometer designed for various electronic applications.
  • It provides a programmable resistance value that can be controlled digitally.
  • The device offers excellent accuracy, low power consumption, and high reliability.
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: X9428YS16Z is an essential component in electronic circuits that require adjustable resistance values.
• Packaging/Quantity: The X9428YS16Z is typically packaged in reels and available in quantities of 1000 units per reel.

Specifications

• Resistance Range: 0 to 10kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Wiper Current: 1μA maximum
• Non-Volatile Memory: Stores resistance settings during power-off

Detailed Pin Configuration

The X9428YS16Z has the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. CS: Chip select input for SPI communication
4. SCK: Serial clock input for SPI communication
5. SI: Serial data input for SPI communication
6. SO: Serial data output for SPI communication
7. WP: Write protect input for non-volatile memory
8. H: Terminal A of the potentiometer
9. W: Wiper terminal of the potentiometer
10. L: Terminal B of the potentiometer

Functional Features

• Programmable resistance value controlled digitally through SPI interface.
• Non-volatile memory stores resistance settings, ensuring persistence during power-off.
• High accuracy and resolution with 256 steps.
• Low power consumption, making it suitable for battery-powered applications.
• Wide operating temperature range allows usage in various environments.

Advantages and Disadvantages

Advantages: - Precise and reliable resistance control. - Easy integration into electronic circuits. - Non-volatile memory ensures persistence of resistance settings. - Low power consumption extends battery life. - Wide operating temperature range enables versatile applications.

Disadvantages: - Limited resistance range (0 to 10kΩ). - Requires SPI interface for control.

Working Principles

The X9428YS16Z digital potentiometer operates by using a series of resistive elements connected in a ladder configuration. The wiper terminal can be moved digitally to tap different points along the ladder, effectively changing the resistance value seen between the H and L terminals. This movement is controlled through the SPI interface, allowing precise resistance adjustments.

Detailed Application Field Plans

The X9428YS16Z finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment.
2. Industrial Automation: Provides adjustable resistance for calibration and control purposes.
3. Test and Measurement Instruments: Enables programmable resistance for accurate testing.
4. Communication Systems: Used in signal conditioning and impedance matching circuits.
5. Automotive Electronics: Utilized for sensor calibration and control modules.

Detailed and Complete Alternative Models

1. X9428WS16Z: Similar to X9428YS16Z but with a wider resistance range (0 to 100kΩ).
2. X9428ZS16Z: Offers additional features like integrated EEPROM for storing multiple resistance profiles.
3. X9428YS08Z: Compact version with fewer pins, suitable for space-constrained applications.
4. X9428YS32Z: Higher resolution variant with 1024 steps for more precise resistance control.

(Note: The above alternative models are fictional and provided only as examples.)

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