X9428YV14T1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • X9428YV14T1 is a high-performance digital potentiometer designed for various applications.
  • It provides precise resistance adjustment in electronic circuits.
  • The device operates digitally, eliminating the need for mechanical adjustments.
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: X9428YV14T1 is an essential component in electronic systems that require adjustable resistance.
• Packaging/Quantity: Available in tape and reel packaging with 250 units per reel.

Specifications

• Resistance Range: 0 to 10 kilohms
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Wiper Current: 3mA maximum
• End-to-End Resistance Tolerance: ±20%

Detailed Pin Configuration

The X9428YV14T1 digital potentiometer has the following pin configuration:

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

Functional Features

• Precise resistance adjustment through digital control.
• Non-volatile memory allows storing the wiper position even when power is disconnected.
• Low power consumption.
• High reliability and durability.
• Wide operating temperature range for various environments.

Advantages and Disadvantages

Advantages: - Eliminates the need for mechanical adjustments, providing greater precision. - Non-volatile memory ensures the preservation of settings. - Low power consumption contributes to energy efficiency. - Wide operating temperature range allows usage in different conditions.

Disadvantages: - Limited resistance range compared to traditional potentiometers. - End-to-end resistance tolerance may affect accuracy in some applications.

Working Principles

The X9428YV14T1 digital potentiometer operates by using a series of resistive elements connected in a ladder-like configuration. The wiper terminal selects the desired resistance value based on the digital control input. This adjustment is achieved through the manipulation of switches that connect or disconnect the resistive elements. The resulting resistance value is then available at the output terminals.

Detailed Application Field Plans

The X9428YV14T1 digital potentiometer finds applications in various fields, including:

1. Audio Systems: Precise volume control in amplifiers, mixers, and equalizers.
2. Industrial Automation: Adjustment of parameters in control systems and instrumentation.
3. Test and Measurement Equipment: Calibration and fine-tuning of devices.
4. Consumer Electronics: Control of brightness, contrast, and color balance in displays.
5. Automotive Electronics: Adjustment of settings in automotive audio systems and climate control.

Detailed and Complete Alternative Models

1. X9428YV14T2: Similar to X9428YV14T1 with extended resistance range.
2. X9428YV14T3: Higher resolution version of X9428YV14T1 with 1024 steps.
3. X9428YV14T4: Lower power consumption variant of X9428YV14T1.
4. X9428YV14T5: Enhanced temperature range version of X9428YV14T1.

These alternative models provide options for different requirements and specifications within the digital potentiometer category.

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