X9428YV14IZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • X9428YV14IZT1 is a high-performance digital potentiometer designed for various applications.
  • It provides precise resistance adjustment and offers superior performance compared to traditional mechanical potentiometers.
  • The device operates in a wide temperature range and is suitable for both industrial and consumer electronics.
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: X9428YV14IZT1 is an essential component in electronic circuits that require adjustable resistance.
• Packaging/Quantity: The product is available in tape and reel packaging, with 250 units per reel.

Specifications

• Resistance Range: 0Ω to 100kΩ
• 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
• Non-Volatile Memory: Stores wiper position during power-off

Detailed Pin Configuration

The X9428YV14IZT1 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: High terminal of resistor element
9. W: Wiper terminal of resistor element
10. L: Low terminal of resistor element

Functional Features

• Precise resistance adjustment through SPI interface
• Non-volatile memory for storing wiper position during power-off
• Low power consumption
• High reliability and durability
• Wide operating temperature range
• Compact size for space-constrained applications

Advantages and Disadvantages

Advantages: - Provides precise and reliable resistance adjustment - Eliminates the need for mechanical potentiometers - Offers non-volatile memory for retaining settings - Suitable for a wide range of applications - Compact and easy to integrate into circuit designs

Disadvantages: - Requires SPI interface for control, which may add complexity to the circuit design - Limited resistance range compared to some other digital potentiometers

Working Principles

The X9428YV14IZT1 digital potentiometer operates by using a series of resistive elements connected in a ladder configuration. The wiper terminal can be adjusted digitally through the SPI interface, allowing the effective resistance between the wiper and the high or low terminal to change. This adjustment is achieved by controlling the position of the wiper along the resistor ladder.

Detailed Application Field Plans

The X9428YV14IZT1 digital potentiometer finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial Control Systems: Precise calibration and adjustment of sensors, actuators, and control parameters.
3. Test and Measurement Instruments: Fine-tuning of signal levels, calibration, and gain control.
4. Consumer Electronics: Brightness control in displays, adjustable power supplies, and user interface controls.
5. Communication Systems: Signal conditioning, impedance matching, and filter adjustment.

Detailed and Complete Alternative Models

1. X9428YV14IZT2: Similar to X9428YV14IZT1 but with extended temperature range (-40°C to +125°C).
2. X9428YV14IZT3: Higher resolution version with 1024 steps for more precise adjustment.
3. X9428YV14IZT4: Dual-channel digital potentiometer for applications requiring independent control of two resistive elements.

These alternative models offer similar functionality to X9428YV14IZT1 but may have additional features or specifications tailored to specific application requirements.

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