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X9428YV14I
Product Overview
- Category: Integrated Circuit (IC)
- Use: Digital Potentiometer
- Characteristics: Programmable, Non-volatile, 10-bit Resolution
- Package: Small Outline Integrated Circuit (SOIC)
- Essence: Provides digital control of resistance in electronic circuits
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Resolution: 10 bits
- Resistance Range: 0 to 10kΩ
- Supply Voltage: 2.7V to 5.5V
- Interface: Serial (I2C)
- Operating Temperature: -40°C to +85°C
- Non-volatile Memory: Stores wiper position during power-off
Detailed Pin Configuration
The X9428YV14I has a total of 8 pins:
- VCC: Supply voltage input
- SDA: Serial data input/output for I2C communication
- SCL: Serial clock input for I2C communication
- A0: Address selection bit 0
- A1: Address selection bit 1
- WP: Write Protect pin for protecting non-volatile memory
- H: Terminal connected to the high end of the resistor element
- L: Terminal connected to the low end of the resistor element
Functional Features
- Programmable resistance allows precise control over circuit characteristics
- Non-volatile memory ensures that the wiper position is retained even when power is off
- Serial interface enables easy integration with microcontrollers and other ICs
- Wide operating temperature range makes it suitable for various environments
- Low supply voltage requirement allows for compatibility with different power sources
Advantages and Disadvantages
Advantages: - Precise and accurate resistance control - Non-volatile memory ensures data retention - Easy integration with other ICs - Wide operating temperature range
Disadvantages: - Limited resistance range (0 to 10kΩ) - Requires I2C communication interface
Working Principles
The X9428YV14I is a digital potentiometer that operates based on the principle of resistor ladder network. It consists of a series of resistors connected in a ladder-like configuration. The wiper position determines the effective resistance between the H and L terminals.
By sending appropriate commands through the I2C interface, the wiper position can be adjusted digitally. The non-volatile memory ensures that the wiper position is retained even when power is disconnected.
Detailed Application Field Plans
The X9428YV14I finds applications in various electronic systems where precise resistance control is required. Some potential application fields include:
- Audio Equipment: Volume control circuits, equalizers, and tone control circuits.
- Industrial Control Systems: Variable gain amplifiers, motor speed control, and light intensity control.
- Test and Measurement Instruments: Calibration equipment, signal generators, and programmable filters.
- Communication Systems: Signal conditioning, impedance matching, and line termination circuits.
- Automotive Electronics: Climate control systems, dashboard controls, and sensor calibration.
Detailed and Complete Alternative Models
- X9428YV14IZ-2.7: Similar to X9428YV14I but operates at a supply voltage of 2.7V.
- X9428YV14IZ-5.0: Similar to X9428YV14I but operates at a supply voltage of 5.0V.
- X9428YV14IZ-10: Similar to X9428YV14I but offers a higher resistance range of 0 to 100kΩ.
These alternative models provide similar functionality with slight variations in specifications to cater to different application requirements.
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