X9428YV14I-2.7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 10kΩ resistance, 256 positions, 2.7V supply voltage
• Package: SOIC-8
• Essence: Adjustable resistor with digital control
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Resistance: 10kΩ
• Number of Positions: 256
• End-to-End Resistance Tolerance: ±20%
• Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Detailed Pin Configuration

1. VCC: Supply Voltage
2. SDA: Serial Data Input/Output
3. SCL: Serial Clock Input
4. WP: Write Protect
5. VSS: Ground
6. H0: Terminal A Connection
7. H1: Terminal B Connection
8. H2: Wiper Terminal Connection

Functional Features

• Non-volatile memory stores wiper position during power-off
• Digital control allows precise adjustment of resistance
• I2C interface enables easy communication with microcontrollers
• Low power consumption for energy-efficient applications
• Wide temperature range ensures reliable operation in various environments

Advantages

• Eliminates the need for mechanical potentiometers
• Offers greater precision and reliability compared to analog counterparts
• Allows for remote or automated control of resistance settings
• Non-volatile memory preserves settings across power cycles
• Compact size and surface-mount package facilitate integration into PCB designs

Disadvantages

• Limited resolution due to 8-bit digital control
• Higher cost compared to traditional potentiometers
• Requires I2C communication protocol support in the system
• Limited maximum resistance value of 10kΩ

Working Principles

X9428YV14I-2.7 is a digital potentiometer that utilizes a series of resistive elements and switches controlled by an integrated circuit. The wiper terminal position is adjusted digitally through an I2C interface, allowing precise control over the resistance value. The non-volatile memory ensures that the wiper position is retained even when power is removed.

Detailed Application Field Plans

1. Audio Equipment: X9428YV14I-2.7 can be used for volume control in audio amplifiers, mixers, and equalizers.
2. Test and Measurement Instruments: It can be employed in signal generators, oscilloscopes, and function generators for adjustable calibration purposes.
3. Industrial Automation: The digital potentiometer finds applications in motor control, process control, and instrumentation systems.
4. Consumer Electronics: It can be utilized in televisions, set-top boxes, and gaming consoles for various adjustment settings.
5. Automotive Electronics: X9428YV14I-2.7 can be integrated into automotive audio systems, climate control modules, and dashboard controls.

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology offers a range of digital potentiometers with similar specifications and features.
2. AD525X: Analog Devices provides digital potentiometers with extended resolution and additional features.
3. MAX54XX: Maxim Integrated manufactures digital potentiometers suitable for high-performance applications.

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