X9241AUVIT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 100 Taps
• Package: SOIC-8
• Essence: X9241AUVIT1 is a digital potentiometer IC that allows for programmable resistance adjustments in electronic circuits. It provides a non-volatile solution with 100 taps, making it suitable for various applications.
• Packaging/Quantity: The X9241AUVIT1 is available in a standard Small Outline Integrated Circuit (SOIC) package, which contains 8 pins.

Specifications

• Resistance Range: 0 to 10kΩ
• Number of Taps: 100
• Supply Voltage: 2.7V to 5.5V
• Interface: Serial (SPI)
• Operating Temperature Range: -40°C to +85°C
• Non-volatile Memory: Yes
• Wiper Current: ±1mA
• End-to-End Resistance Tolerance: ±20%

Detailed Pin Configuration

The X9241AUVIT1 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Supply Voltage | | 2 | CS | Chip Select (Active Low) | | 3 | SCLK | Serial Clock Input | | 4 | SI | Serial Data Input | | 5 | SO | Serial Data Output | | 6 | WP | Write Protect (Active High) | | 7 | H | Terminal H of Potentiometer | | 8 | L | Terminal L of Potentiometer |

Functional Features

• Programmable resistance adjustment
• Non-volatile memory for storing settings
• Serial interface for easy integration with microcontrollers
• Wide operating voltage range
• Compact SOIC package for space-constrained applications

Advantages and Disadvantages

Advantages

• Allows precise resistance adjustments in electronic circuits
• Non-volatile memory retains settings even when power is disconnected
• Serial interface simplifies control and integration
• Wide operating voltage range enables compatibility with various systems
• Compact package saves board space

Disadvantages

• Limited to 100 taps, which may not be sufficient for certain applications requiring finer adjustments
• End-to-end resistance tolerance of ±20% may introduce some inaccuracies in specific use cases

Working Principles

The X9241AUVIT1 digital potentiometer operates by utilizing a series of resistive elements connected in a ladder configuration. The position of the wiper determines the effective resistance between the H and L terminals. By sending appropriate commands through the serial interface, the wiper position can be adjusted, allowing for precise resistance values.

Detailed Application Field Plans

The X9241AUVIT1 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, fine-tuning
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Communication Systems: Gain control, impedance matching

Detailed and Complete Alternative Models

1. X9258WV24I-2.7T1 - 256 Taps, I2C Interface, 0 to 10kΩ Resistance Range
2. MCP4131-103E/P - 128 Taps, SPI Interface, 0 to 10kΩ Resistance Range
3. AD8403ARZ1 - 64 Taps, SPI Interface, 0 to 10kΩ Resistance Range

These alternative models offer different features and specifications, providing options for various application requirements.

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