X9401WS24IT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, Serial Interface
• Package: 24-pin SOIC (Small Outline Integrated Circuit)
• Essence: X9401WS24IT1 is a digital potentiometer IC that allows for programmable resistance adjustment in electronic circuits. It provides a non-volatile solution with a serial interface for easy integration into various applications.
• Packaging/Quantity: The X9401WS24IT1 is available in a 24-pin SOIC package and is typically sold in reels of 250 units.

Specifications

• Resistance Range: 0 to 100 kilohms
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Non-volatile Memory: EEPROM (Electrically Erasable Programmable Read-Only Memory)

Detailed Pin Configuration

The X9401WS24IT1 has the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. CS: Chip select input
4. SCLK: Serial clock input
5. SDI: Serial data input
6. SDO: Serial data output
7. WP: Write protect input
8. HIZ: High impedance output
9. A0-A7: Address inputs
10. INC: Increment input
11. U/D: Up/Down control input 12-24: NC (No Connection)

Functional Features

• Programmable resistance adjustment
• Non-volatile memory for storing settings
• Serial interface for easy integration
• Wide operating voltage range
• High resolution for precise adjustment

Advantages and Disadvantages

Advantages: - Allows for precise resistance adjustment in electronic circuits - Non-volatile memory ensures settings are retained even when power is removed - Serial interface simplifies integration into various applications - Wide operating voltage range allows for compatibility with different power sources - High resolution provides fine-grained adjustment capabilities

Disadvantages: - Limited to a maximum resistance range of 100 kilohms - Requires additional components for proper operation (e.g., microcontroller, SPI interface)

Working Principles

The X9401WS24IT1 digital potentiometer operates by using a series of resistive elements and switches controlled by the internal circuitry. When a resistance value is programmed through the serial interface, the corresponding switches are activated to create the desired resistance path. The non-volatile memory ensures that the programmed resistance setting is retained even when power is removed.

Detailed Application Field Plans

The X9401WS24IT1 digital potentiometer finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, signal conditioning
3. Test and Measurement Instruments: Fine-tuning, calibration
4. Communication Systems: Signal attenuation, impedance matching
5. Automotive Electronics: Climate control, sensor calibration

Detailed and Complete Alternative Models

1. X9401WS24IT2: Similar to X9401WS24IT1 but with extended resistance range up to 1 megohm.
2. X9401WS16IT1: 16-pin version of X9401WS24IT1 with similar specifications.
3. X9402WS24IT1: Dual-channel digital potentiometer with two independent programmable resistances.

These alternative models provide options with different features and pin configurations to suit specific application requirements.

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