X9421WV14IZ

Product Overview

• Category: Electronic Component
• Use: Integrated Circuit (IC)
• Characteristics: High-performance, digital potentiometer
• Package: Surface Mount Technology (SMT)
• Essence: Variable resistor with digital control
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Range: 0 to 10kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: I2C compatible
• Power Consumption: 1μA (standby), 400μA (active)

Detailed Pin Configuration

The X9421WV14IZ has a total of 8 pins:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. WP: Write Protect pin for preventing accidental writes
8. H/L: High/Low terminal of the variable resistor

Functional Features

• Digital control allows precise adjustment of resistance
• Non-volatile memory retains settings even when power is removed
• Low power consumption extends battery life
• Wide operating temperature range enables use in various environments
• I2C interface provides easy integration with microcontrollers

Advantages and Disadvantages

Advantages

• Precise and accurate resistance adjustment
• Compact size and surface mount package for space-saving designs
• Non-volatile memory ensures settings are retained
• Low power consumption for energy-efficient applications
• Wide temperature range allows for versatile use

Disadvantages

• Limited resistance range compared to some other digital potentiometers
• Requires I2C interface for control, may not be suitable for all applications
• Sensitive to electrostatic discharge (ESD), proper handling required

Working Principles

The X9421WV14IZ is a digital potentiometer that utilizes a combination of resistive and electronic components. It consists of a series of resistive elements connected in a ladder-like configuration. The position of the wiper determines the effective resistance between the high and low terminals.

By digitally controlling the wiper position through the I2C interface, the resistance can be adjusted precisely. The non-volatile memory ensures that the resistance setting is retained even when power is removed.

Detailed Application Field Plans

The X9421WV14IZ finds applications in various fields, including:

1. Audio Equipment: Precise volume control in amplifiers and audio mixers.
2. Industrial Automation: Adjustable settings in control systems and instrumentation.
3. Consumer Electronics: Fine-tuning brightness or contrast in displays.
4. Automotive: Control of motor speed or lighting intensity.
5. Medical Devices: Calibration and adjustment of medical equipment.

Detailed and Complete Alternative Models

1. X9421WV14IZ-2.5T1: Same specifications, but available in a 2.5kΩ resistance range.
2. X9421WV14IZ-50T1: Same specifications, but available in a 50Ω resistance range.
3. X9421WV14IZ-10T1: Same specifications, but available in a 10Ω resistance range.

These alternative models provide options for different resistance requirements in various applications.

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