X9261TV24I

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 256 Taps, I2C Interface
• Package: 24-Pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides a digitally controlled variable resistor functionality
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Resolution: 8-bit (256 steps)
• Resistance Range: 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Operating Temperature Range: -40°C to +85°C
• Non-volatile Memory: Stores wiper position during power-off

Detailed Pin Configuration

The X9261TV24I has a total of 24 pins, which are assigned as follows:

1. VCC: Supply voltage input
2. GND: Ground reference
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. WP: Write Protect pin for protecting non-volatile memory
6. A0-A2: Address selection pins 7-24. W0-W7: Wiper terminal connections

Functional Features

• Digitally programmable resistance adjustment
• Non-volatile memory retains wiper position during power cycles
• Smooth and linear resistance changes with 256 steps
• Low power consumption
• Wide operating voltage range
• I2C interface allows easy integration with microcontrollers

Advantages and Disadvantages

Advantages: - Precise and accurate resistance control - Easy interfacing with digital systems - Non-volatile memory ensures settings are retained - Compact package size for space-constrained applications

Disadvantages: - Limited resistance range (10kΩ) - Requires I2C communication protocol support

Working Principles

The X9261TV24I is a digital potentiometer that replaces traditional mechanical potentiometers. It utilizes a series of resistive elements and switches controlled by an internal digital-to-analog converter (DAC). The resistance value can be adjusted digitally through the I2C interface, allowing precise control over the output voltage or current in a circuit.

Detailed Application Field Plans

The X9261TV24I finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, feedback control
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Communication Systems: Gain control, signal processing
5. Automotive Electronics: Climate control, lighting adjustment

Detailed and Complete Alternative Models

1. X9251TV24I: 256 Taps, 50kΩ Resistance Range, I2C Interface
2. X9241TV24I: 128 Taps, 100kΩ Resistance Range, I2C Interface
3. X9271TV24I: 1024 Taps, 10kΩ Resistance Range, SPI Interface
4. X9281TV24I: 256 Taps, 1kΩ Resistance Range, I2C Interface

These alternative models offer different specifications and features to suit specific application requirements.

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